APC RAID Subsystem SCSI-SATA II Technical Information

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Summary of Contents

Page 1 - Disk Array Systems

U320 SCSI to SATAII4G Fibre to SASSAS to SASiSCSI to SASDisk Array SystemsVersion 1.1JanusRAID II Generic Software Manual

Page 2

ContentsxiiC.4 (S) Update System ROM ... C-4C.5 (

Page 3 - Software Manual

Using the CLI Commands4-134.4.7 Symmetric-LUN storage presentation4.5 Hardware Configurations and Utilities4.5.1 Generic hard diskCommandhtpremove

Page 4

Using the CLI Commands4-14CommandhddsmartSynopsishddsmart on [-p period] [-a clone/alert]hddsmart offDescriptionChange the SMART warning settings of a

Page 5 - Table of Contents

Using the CLI Commands4-154.5.2 SAS ports4.5.3 SCSI portsCommandhddretrySynopsishddretry xxDescriptionSpecify the number of retries when a disk IO c

Page 6

Using the CLI Commands4-164.5.4 FC portsCommandscprateSynopsisscprate scpx/all async/fast/fastwide/ultra/ultrawide/ultra2/ultra2wide/ultra3/ultra320D

Page 7

Using the CLI Commands4-174.5.5 Management network interfaceCommandfcplisthostSynopsisfcplisthost fcpx/all DescriptionList the detected hosts of an F

Page 8

Using the CLI Commands4-184.5.6 Local terminal ports4.5.7 EnclosureCommandethsshSynopsisethssh on/offDescriptionEnables or disables the SSH service

Page 9

Using the CLI Commands4-194.5.8 Uninterruptible power supply4.5.9 iSCSI target / portsCommandenclist confSynopsisenclistconfDescriptionList enclosur

Page 10 - Contents

Using the CLI Commands4-20CommandchapusrSynopsischapusr add/remove/update user_name[-s secret][-t all/x,y,...]DescriptionAdd, remove, or update an inc

Page 11 - List of Tables

Using the CLI Commands4-214.6 Performance management4.6.1 Hard disks4.6.2 Cache4.6.3 LUNCommandiscsiaggregportSynopsisiscsiaggregport create meth

Page 12 - List of Figures

Using the CLI Commands4-224.6.4 Storage ports4.7 Redundant Controller Configurations4.7.1 Mirrored write cache control4.7.2 Change preferred cont

Page 13

ContentsxivList of TablesTable 2-1 Buttons in monitor and config mode ... 2-6Table

Page 14

Using the CLI Commands4-234.7.3 Path failover alert delay4.7.4 Controller fallover mode4.8 Event Management4.8.1 NVRAM event logs4.8.2 Event not

Page 15 - Symbols used in this manual

Using the CLI Commands4-244.8.3 Event handlingCommandnotifylistSynopsisnotifylist smtp/snmp/allDescriptionList the current settings of all or the sel

Page 16

Using the CLI Commands4-254.9 System Management4.9.1 Configurations managementCommandautoshutdownSynopsisautoshutdown [on/off] [-e upsac/fan/temp]

Page 17 - Chapter 1: Introduction

Using the CLI Commands4-264.9.2 Time management4.9.3 Administration security controlCommandconfighddSynopsisconfighdd [frequency]DescriptionShow or

Page 18 - 1.2 Key Features

Using the CLI Commands4-274.9.4 System informationCommandpasswdchkSynopsispasswdchk user/admin [on/off]DescriptionReview or set password checking for

Page 19

Using the CLI Commands4-284.9.5 MiscellaneousCommandsysdiagSynopsissysdiag start/stop nvram/dram/fcloopback/led/disk all/hddsDescriptionStarts or sto

Page 20

Using the CLI Commands4-294.10 Miscellaneous Utilities4.10.1 Lookup RAID systems4.10.2 Turn on/off CLI script mode4.10.3 Get command list and usa

Page 21 - 1.3 How to Use This Manual

Using the CLI Commands4-304.11 Configuration shortcuts4.11.1 RAID quick setup4.11.2 Performance profile4.12 Snapshot CommandraidquickSynopsisra

Page 22 - 1.4 RAID Structure Overview

Using the CLI Commands4-31CommandsvolcreateSynopsissvolcreate pdevice svolx [-n name]DescriptionCreate a snapshot volume.Parameters[-n name]:The name

Page 23

Advanced Functions5-1Chapter 5: Advanced Functions5.1 Multi-Path IO Solutions5.1.1 OverviewMulti-path IO allows a host computer to access a RAID sy

Page 24 - Introduction

ContentsxvList of FiguresFigure 1-1 Layered storage objects ... 1

Page 25

Advanced Functions5-2If directly attaching the host-interface ports to the HBAs, you can easily know the number of paths for single virtual disk by co

Page 26 - Chapter 2: Using the RAID GUI

Advanced Functions5-3• Clustered MPIO Host ComputersFor clustered host computers sharing single RAID system, the storage is to be accessed simultaneo

Page 27 - • Firefox language settings

Advanced Functions5-45.1.4 Windows Multi-Path Solution: PathGuardPathGuard is the bundled multi-path IO solution for Windows platforms, and it is bas

Page 28 - 2.1.2 Multiple System Viewer

Advanced Functions5-5• Check the MPIO disk status on the host computerAfter the MPIO driver has been installed, you can find the new multi-path disk

Page 29 - 2.2 Monitor Mode

Advanced Functions5-6• Detailed MPIO device informationClick to display a complete list of MPIO disk information. You will see the following detail

Page 30 - 2.2.1 HDD state

Advanced Functions5-75.1.5 Linux Multi-Path SolutionNative Linux multi-path I/O support has been added to the Linux 2.6 kernel tree since the release

Page 31 - 2.2.2 Information icons

Advanced Functions5-8 RHEL5: mpath-xxx-x.src-rhel5.rpm SuSe10: mpath-xxx-x.src-sles10.rpm1. Install the RPM by typing rpm -ivh mpath

Page 32 - 2.2.3 Rear side view

Advanced Functions5-94. You may also use multipath command to configure, list, and remove multi-path devices.5. To add or remove LUNS, after completin

Page 33

Advanced Functions5-105.2 Multiple ID solutions5.2.1 OverviewThe multiple ID mechanism provides host transparent controller failover/failback solut

Page 34

Advanced Functions5-11Configuration Tasks5.3 Redundant Controller5.3.1 OverviewRedundant controller is a high-availability solution for ensuring sy

Page 35 - 2.2.4 Login

ContentsxviFigure 5-7 Redundant Single MPIO host (quad channel) ... 5-27Figure 5-8 Redundant Dual Ind

Page 36

Advanced Functions5-12• Owner controller and preferred controllerThe controller implements the ALUA (Asymmetric Logical Unit Access) algorithm to ens

Page 37

Advanced Functions5-13• Failback State UpdateWhen the backup controller’s firmware version is different with the survival controller, the survival con

Page 38 - 2.3.4 Information icons

Advanced Functions5-14In this configuration, for DG0LD0, the green path is the active path while the red path is the standby path, when the green pat

Page 39 - 2.4 Config Mode

Advanced Functions5-15• Active-Active Redundant Single MPIO Host (Quad Channel)As Figure 5-7 shows, the redundant RAID system is operating in a singl

Page 40 - 2.5 Quick Setup

Advanced Functions5-16• Active-Active Redundant Dual Independent MPIO HostsAs Figure 5-8 shows, the redundant RAID system is operating in a dual inde

Page 41 - 2.6 RAID Management

Advanced Functions5-17Configuration Tasks• Active-Active Redundant Dual MPIO Clustering Hosts (With Fibre/SAS switch)As Figure 5-9 shows, the redunda

Page 42 - 2.6.2 JBOD

Advanced Functions5-18In this configuration, for DG0LD0, the two green solid path is the active path by controller A while the two red dotted path is

Page 43 - 2.6.3 Disk groups

Advanced Functions5-19The steps to set up the active-passive and active-active connections are almost the same. You simply need to specify all the LUN

Page 44 - • Modify disk groups

Advanced Functions5-20Path Failback Across ControllersWhen any active path is restored, the MPIO driver routes the traffic back to the active path aut

Page 45 - 2.6.4 Logical disks

Advanced Functions5-21Controller FailbackIf a system is in the controller failover mode, the survival controller will take over the failed controller’

Page 46 - • Modify logical disks

ContentsxviiFigure A-7 RAID 30 disk array ...A-9Figure A-

Page 47 - 2.6.5 Volumes

Advanced Functions5-225.4 Snapshot5.4.1 IntroductionSnapshot allows you to create instantaneous data images of a volume at designated points in tim

Page 48 - 2.6.6 Snapshot Volumes

Advanced Functions5-23• Spare COW VolumeWhen running out of the space of a secondary volume and there are spare COW volumes, the copied data of COW o

Page 49

Advanced Functions5-245.4.3 How to Use Snapshots• OverviewTo make the most use of the snapshot function, proper planning and configuration is of ess

Page 50 - 2.6.7 Storage provisioning

Advanced Functions5-25• Creating Snapshots using GUI or CLIAfter secondary volumes are chosen for the volumes need to have snapshots, you may create

Page 51 - • Symmetric method

Advanced Functions5-26• Snapshot RoamingThe snapshot configurations are stored in the disks of the secondary volume. If “Auto Array Roaming Control”

Page 52

Advanced Functions5-27• Capabilities at host to support LUN resizingProper LUN resizing depends on the capabilities of your operating system, partiti

Page 53 - • Selective method

Advanced Functions5-28• Disk group expansion to expand the last existing free chunkAll existing free chunks except the one at the end of the disk gro

Page 54 - 2.7 Maintenance Utilities

Advanced Functions5-29• Shrink a logical disk without an adjacent free chunkAfter a logical disk is shrunk, a free chunk is created next to the logic

Page 55

Advanced Functions5-30• Expand a logical disk by allocating an adjacent free chunk and moving logical disksIf the free chunk right after the sele

Page 56

Advanced Functions5-31• Disk group expansion to consolidate free chunksWhen disk group expansion is executed in a disk group where free chunks betwee

Page 57 - 2.7.7 Shrinking volumes

PrefaceiiiAbout this manualCongratulations on your purchase of the product. This controller allows you to control your RAID system through a user-frie

Page 58 - 2.7.9 Scrubbing

Advanced Functions5-32Concatenated striping: A volume formed by concatenating set of striping member volumes.5.5.6 Windows DiskPart UtilityThe Micros

Page 59

Advanced Functions5-33On Windows Vista, you can also use Computer Management ÑŠ Disk Management GUI to do partition expansion and shrinking.Please fol

Page 60 - 2.7.13 Array recovery

Advanced Functions5-345.6.2 Deployment OverviewRAIDGuard Central consists of the following three software components: RAIDGuard Central Server (RGC S

Page 61 - • Start a recovery

Advanced Functions5-355.6.3 Installing the RAIDGuard CentralThe RAIDGuard Central provides software installation files for all supported operating sy

Page 62 - 2.7.16 Miscellaneous

Advanced Functions5-36• RGC Server and RGC Agent Monitor ScreensThe RGC Server monitor screen (based on Windows platform) is displayed as below:The f

Page 63 - 2.8 Hardware Configurations

Advanced Functions5-37The RGC Agent monitor screen (based on Windows platform) is displayed as below:The following table describes the function of eac

Page 64

Advanced Functions5-38After logging into the RGC GUI, the following screen displays:The following table describes each menu bar item, tool bar button,

Page 65 - 2.8.2 Ports

Advanced Functions5-395.6.7 RAID System RegistrationYou need to register RAID systems to RGC using the RGC GUI to build network connections to the RA

Page 66

Advanced Functions5-403. For scanning RAID systems, the RGC Agent sends out broadcast packets on its subnet. If IP address range is specified, only th

Page 67

Advanced Functions5-412. After the registration is completed successfully, a RAID system icon together with the IP address of the RAID system will be

Page 69 - 2.9 Event Management

Advanced Functions5-425.6.8 RAID System MonitoringAfter the RAID systems are registered, the RAIDGuard Central will download the event logs from the

Page 70 - • SNMP MIB Definition

Advanced Functions5-435.6.9 Configuring MSN Event NotificationThe RAIDGuard Central integrates with the MSN service to notify users of system status

Page 71 - 2.9.3 Event logs

Advanced Functions5-442. Choose a management host system connected to the same LAN3. Install the VDS Provider on the management host system.4. Use VDS

Page 72 - 2.9.5 Miscellaneous

Advanced Functions5-45• Register RAID systems1. Click the Scan RAID systems in the LAN button to locate RAID systems on the LAN.2. Check the checkbox

Page 73 - 2.10 System Management

Advanced Functions5-46• Microsoft Storage Manager for SANsThe Storage Manager for SANs (SMfS) is RAID management GUI introduced in Windows Server 200

Page 74

Troubleshooting6-1Chapter 6: Troubleshooting6.1 General GuidelinesWhen you encounter issues, the most essential troubleshooting is to check the even

Page 75

Troubleshooting6-26.3 Performance TuningPerformance tuning is always not an easy job because it requires in-depth knowledge of hardware and software

Page 76 - 2.10.5 Security control

Troubleshooting6-39. Add memory at host computer or RAID controllerAdding more memory to your motherboard or RAID controller helps to cache more data

Page 77 - 2.10.7 Battery backup module

Troubleshooting6-43. Verify hard disk health statusTo know exactly if a hard disk fails or not, using SMART check or DST (Device Self-Test) to test t

Page 78 - 2.10.10 Miscellaneous

Troubleshooting6-54. It takes very long time for the web GUI to respond my commandsThe web GUI is presented by browser but its contents are generated

Page 79 - 2.11 Performance Management

Introduction1-1Chapter 1: IntroductionCongratulations on your purchase of our RAID controller. Aiming at serving versatile applications, the RAID cont

Page 80 - 2.11.4 Storage port

Troubleshooting6-65. Hard disk shows Conflict stateThe Conflict state indicates that the hard disk contains valid RAID configurations but the control

Page 81

Troubleshooting6-7on page 5-11). The controllers will stop boot-up to show messages on the LCD. The messages and corresponding resolutions are the sam

Page 82 - Using the LCD Consolel

Troubleshooting6-83. Host computer reports I/O errors during path/controller failoverIf you use MPIO against path or controller failure, it is essent

Page 83 - 3.2 LCD Messages

A-1Appendix A: Understanding RAIDA.1 RAID OverviewThe controller supports eleven types of RAID: RAID 0, 1, 3, 5, 6, 10, 30, 50, 60, JBOD and NRAID.

Page 84 - 3.2.3 Emergent info

AppendixA-2A.2 RAID 0RAID 0 links each drive in the array to form one large drive. Storage capacity is determined by the smallest drive in the array

Page 85 - 3.2.5 Hotkeys

AppendixA-3A.3 RAID 1RAID 1 is commonly referred to as disk mirroring as all data is duplicated on two or more disks. This provides a high access ra

Page 86 - 3.3 Menu

AppendixA-4A.4 RAID 3In RAID 3, all data is divided into pieces, after which the system calculates the parity of these pieces. The pieces are writte

Page 87 - 3.3.6 System Information

AppendixA-5A.5 RAID 5With RAID 5, the system calculates parity from data on three drives. If one of the drives fails, parity data can be used to reb

Page 88 - 4.1 Overview

AppendixA-6A.6 RAID 6RAID 6 stripes data and parity data across an array of drives, as with RAID 5, and calculates two sets of parity information fo

Page 89 - 4.2 Basic RAID Management

AppendixA-7A.7 RAID 10RAID 10 arrays are formed by striping data across RAID 1 sub-arrays. This offers better performance than RAID 1 alone but does

Page 90 - 4.2.4 Spare and rebuild

Introduction1-21.2 Key Features• Basic RAID Construction• Multiple RAID levels: 0, 1, 3, 5, 6, 10, 30, 50, 60, JBOD, and NRAID• Multiple stripe siz

Page 91 - 4.2.5 Logical disks

AppendixA-8A.8 RAID 30RAID 30 arrays are formed by striping data across RAID 3 sub-arrays. This offers better performance than RAID 3 alone but does

Page 92 - 4.2.8 Cache

AppendixA-9A.9 RAID 50RAID 50 arrays are formed by striping data across RAID 5 sub-arrays. Striping helps increase capacity and performance without

Page 93

AppendixA-10A.10 RAID 60RAID 60 arrays are formed by striping data across RAID 6 sub-arrays. Striping increases the system capacity and performance

Page 94

AppendixA-11A.11 JBODJBOD (“Just a Bunch of Disks”) focuses on individual drives. The operating system sees each drive as an individual drive in JBO

Page 95 - 4.3.3 Task priority control

AppendixA-12A.12 NRAIDNRAID (“None RAID”) combines all drives as one simple logical volume. The capacity of this volume is the total capacity of the

Page 96

AppendixB-1Appendix B: Features and BenefitsB.1 OverviewWith the comprehensive features and utilities of the firmware, the system administrators can

Page 97 - 4.4 Storage Presentation

AppendixB-2B.3 Flexible Storage ProvisioningStorage provisioning is the process to organize the physical disks with appropriate RAID configurations,

Page 98 - 4.4.3 Storage groups

AppendixB-3• Flexible hot spare policyHot spare disks are standby disks that are used for replacing faulty disks by rebuilding the data of the faulty

Page 99 - 4.4.4 Presentation planning

AppendixB-4• Autonomous free space managementThe free space on a disk group is managed as free chunks. A free chunk is created when an administrator

Page 100 - 4.5.1 Generic hard disk

AppendixB-5B.8 Proactive Data ProtectionThe most fundamental requirement for a storage system is to protect the data from all kinds of failures. The

Page 101 - Using the CLI Commands

Introduction1-3• Online simultaneous disk group expansion and defragmentation• Online logical disk capacity expansion• Online logical disk capacity sh

Page 102 - 4.5.3 SCSI ports

AppendixB-6B.9 Fortified Reliability and RobustnessThe mission of a RAID controller is not only to protect user data from disk drive failure but als

Page 103 - 4.5.4 FC ports

AppendixB-7• Timely event notificationIn addition to the audible alarm on the controller to alert the administrators, the firmware can also send out

Page 104

AppendixB-8B.12 Extensive Supportive ToolsIn addition to the fundamental storage functions, the RAID controller firmware also provides extensive sup

Page 105 - 4.5.7 Enclosure

AppendixB-9• Support LCD panelThe LCD panel provides a quick overview of the system status as well as a simple way for setting basic configurations.

Page 106 - 4.5.9 iSCSI target / ports

AppendixC-1Appendix C: Boot UtilityFollow the steps below to enter the Boot Utility menu:1. Run HyperTerminal (or the terminal program used to establi

Page 107

AppendixC-2C.1 (N) Set IP addressThe Boot Utility allows you to update the Boot ROM and System ROM. First you need to set the controller and server

Page 108 - 4.6 Performance management

AppendixC-32. Press [L] in the Boot Utility and enter the file name of boot code of firmware.3. The TFTP server starts loading. When the loading is co

Page 109 - 4.6.4 Storage ports

AppendixC-4C.4 (S) Update System ROMPress [S] to update the System ROM. The firmware versions and the Update New System firmware message are display

Page 110 - 4.8 Event Management

AppendixD-1Appendix D: Event Log MessagesD.1 RAID• Disk operations• Creation and deletionEvent ID0x0800TypeRAIDSeverityINFOParametersDisk IDMessag

Page 111 - 4.8.3 Event handling

AppendixD-2Event ID0x0c01TypeRAIDSeverityINFOParametersJBOD IDMessageJBODx deletedDescriptionjbdx was deleted.AdviceNoneEvent ID0x1000TypeRAIDSeverity

Page 113 - 4.9.2 Time management

Introduction1-4• Host Interface Functions (model-dependent)• Support 4Gb/s Fibre Channel host interfaces (FC-SAS/SATA controller)• Support 3Gb SAS ho

Page 114 - 4.9.4 System information

AppendixD-3• InitializationEvent ID0x1c01TypeRAIDSeverityINFOParametersVOL IDMessageVOLx deletedDescriptionvolx was deleted.AdviceNoneEvent ID0x204cT

Page 115 - 4.9.5 Miscellaneous

AppendixD-4• SpareEvent ID0x2051TypeRAIDSeverityWARNINGParametersDG ID, LD IDMessageLogical disk init on DGxLDy abortedDescriptionLogical disk initia

Page 116 - 4.10.1 Lookup RAID systems

AppendixD-5• Rebuild• RoamingEvent ID0x1003TypeRAIDSeverityINFOParametersDisk ID, DG IDMessageLocal spare HDDx of DGy removedDescriptiondgy’s local

Page 117 - 4.12 Snapshot

AppendixD-6• Recovery• Controller Ownership (in Dual-Controller Configuration)Event ID0x1004TypeRAIDSeverityINFOParametersDG IDMessageDGx is importe

Page 118

AppendixD-7• Write CacheEvent ID0x0c02TypeRAIDSeverityINFOParametersJBD IDMessageJBDx write cache is enabledDescriptionWrite cache of jbdx was enable

Page 119 - Chapter 5: Advanced Functions

AppendixD-8D.2 Task• Disk group expansionEvent ID0x2009TypeTASKSeverityINFOParametersDG IDMessageExpansion on DGx startedDescriptionDisk group expa

Page 120 - Advanced Functions

AppendixD-9• Logical disk migrationEvent ID0x205fTypeTASKSeverityNOTICEParametersExpand progress, DG ID, Notify thresholdMessageDG expand progress(y%

Page 121 - 7 8 9 10 11 12

AppendixD-10• Logical disk capacity expansionEvent ID0x2006TypeTASKSeverityWARNINGParametersDG ID, LD IDMessageMigration on DGxLDy abortedDescription

Page 122

AppendixD-11Event ID0x2045TypeTASKSeverityWARNINGParametersDG ID, LD IDMessageExpansion on DGxLDy failed to start by scheduleDescriptionScheduled logi

Page 123 - • MPIO Device Information

AppendixD-12• Logical disk shrink• Disk group defragmentationEvent ID0x200eTypeTASKSeverityNOTICEParametersDG ID, LD IDMessageDGxLDy shrinkedDescrip

Page 124

Introduction1-5• Support password reminding email• Time management by RTC and Network Time Protocol (NTP) with DST• Support controller firmware upgrad

Page 125

AppendixD-13• Volume expansion• Disk cloningEvent ID0x2011TypeTASKSeverityNOTICEParametersDG IDMessageDefragment on DGx completedDescriptionDisk gro

Page 126 - • Manage multipathd service

AppendixD-14Event ID0x2048TypeTASKSeverityWARNINGParametersDISK ID, DISK IDMessageClone from HDDx to HDDy failed to auto startDescriptionAuto disk clo

Page 127

AppendixD-15• Disk scrubbing of hard disksEvent ID0x2056TypeTASKSeverityNOTICEParametersDISK ID, DISK IDMessageClone from HDDx to HDDy auto-resumedDe

Page 128 - 5.2 Multiple ID solutions

AppendixD-16• Disk scrubbing of disk groupsEvent ID0x2020TypeTASKSeverityINFOParametersDISK ID, Sector NumMessageScrub on HDDx stopped with y bad sec

Page 129 - 5.3 Redundant Controller

AppendixD-17Event ID0x2036TypeTASKSeverityNOTICEParametersDG IDMessageScrub on DGx started by scheduleDescriptionScheduled disk scrubbing on dgx was s

Page 130

AppendixD-18Note:Because one disk group can have only one logical disk executing disk scrubbing, the events do not record ID of the logical disk to ex

Page 131

AppendixD-19• Disk group parity regenerationEvent ID0x2042TypeTASKSeverityNOTICEParametersDG ID, LD_ID, Sector Num, Row Num, Row NumMessageScrub on D

Page 132

AppendixD-20• Logic disk parity regenerationEvent ID0x2027TypeTASKSeverityINFOParametersDG IDMessageReg. parity on DGx stoppedDescriptionReg. parity

Page 133 - Host Group 0

AppendixD-21Event ID0x203eTypeTASKSeverityWARNINGParametersDG ID, LD_IDMessageReg. parity on DGxLDy abortedDescriptionReg. parity on dgxldy was aborte

Page 134 - Host Group 1

AppendixD-22D.3 Disk• Disk status• Disk IO exception handlingEvent ID0x0811TypeDISKSeverityINFOParametersDisk IDMessageHDDx powered on/offDescript

Page 135

Introduction1-61.4 RAID Structure OverviewThe storage resources are managed as storage objects in a hierarchical structure. The hard disks, the only

Page 136

AppendixD-23Event ID0x0819TypeDISKSeverityNOTICEParametersController ID, Disk IDMessageController x detected aborted task on HDDyDescriptionThe contro

Page 137

AppendixD-24• Disk port and chipEvent ID0x081bTypeDISKSeverityERRORParametersDisk port ID, Con-troller IDMessageReset disk port x in controller yDesc

Page 138

AppendixD-25• SMART disk self testsEvent ID0x0807TypeDISKSeverityINFOParametersDisk IDMessageSHT DST on HDDx startedDescriptionhddx started SMART sho

Page 139 - • GUI Notification

AppendixD-26• Bad block handlingEvent ID0x080cTypeDISKSeverityWARNINGParametersDisk IDMessageDST on HDDx completed with servo errorDescriptionDST on

Page 140 - 5.4 Snapshot

AppendixD-27Event ID0x1400TypeDISKSeverityWARNINGParametersSector NO, Sector NO, Disk IDMessageA BBR entry added for mapping sector x to sector y on H

Page 141 - • Online Volume Expansion

AppendixD-28• On-disk metadataEvent ID0x140dTypeDISKSeverityNOTICEParametersDisk IDMessageBBR exceeds clone threshold on HDDxDescriptionThe number of

Page 142 - 5.4.3 How to Use Snapshots

AppendixD-29Event ID0x0815TypeDISKSeverityWARNINGParametersDisk IDMessageWrite secondary metadata on HDDx failedDescriptionThe controller failed to ac

Page 143

AppendixD-30• Disk CacheEvent ID0x1405TypeDISKSeverityWARNINGParametersDisk IDMessagePrimary BBR table on HDDx is corruptDescriptionThe controller fa

Page 144 - • Snapshot Roaming

AppendixD-31D.4 Host portsFC• Hosts• LinkEvent ID0x3000TypeHOSTSeverityINFOParametersHost WWPN, Host Port IDMessageHost x detected on host port yD

Page 145

AppendixD-32• IO exceptions handling• Port and chipEvent ID0x3004TypeHOSTSeverityINFOParametersHost Port IDMessageLIP issued on host port xDescripti

Page 146 - 5.5.2 Logical disk shrink

Introduction1-71.5 User Interfaces to Manage the RAID SystemA variety of user interfaces and utilities are offered for managing the RAID systems, an

Page 147 - 5.5.3 Logical disk expansion

AppendixD-33SAS• HostsEvent ID0x3009TypeHOSTSeverityWARNINGParametersChip ID, Control-ler IDMessageReset host i/f chip x in controller yDescriptionTh

Page 148 - 5.5.4 Disk group expansion

AppendixD-34• Link• IO exceptions handling• Port and chipEvent ID0x300dTypeHOSTSeverityINFOParametersHost Port ID, phy IDMessageHost port x phy y l

Page 149

AppendixD-35SCSI• IO exceptions handlingEvent ID0x3011TypeHOSTSeverityWARNINGParametersController ID, Chip IDMessageReset host i/f chip x in controll

Page 150 - • Do shrink a partition:

AppendixD-36Event ID0x3016TypeHOSTSeverityWARNINGParametersHost Port IDMessageHost port x detected parity error during Command phaseDescriptionParity

Page 151 - 5.6 RAIDGuard Central

AppendixD-37Event ID0x301cTypeHOSTSeverityWARNINGParametersHost Port IDMessageHost port x transfer count mismatchDescriptionThe amount of data that th

Page 152 - 5.6.2 Deployment Overview

AppendixD-38• Port and chip• iSCSIEvent ID0x3022TypeHOSTSeverityWARNINGParametersHost Port IDMessageHost port x EEDP Application Tag ErrorDescriptio

Page 153 - • Mac/ Linux OS platform

AppendixD-39Event ID0x302bTypeHOSTSeverityINFOParametersPort NumberMessageiSCSI listen port change to xDescriptioniSCSI listen port will be changed to

Page 154

AppendixD-40D.5 Controller hardware• Memory• Flash chipEvent ID0x3031TypeHOSTSeverityINFOParametersInitiator Name, Target IDMessageInitiator x log

Page 155 - 5.6.6 RGC GUI Overview

AppendixD-41Event ID0x242bTypeCONTROLLERSeverityERRORParametersController IDMessageBootrom in controller x is corruptDescriptionBootrom on controller

Page 156

AppendixD-42• Controller (In Dual-Controller Configuration)D.6 Enclosure• TemperatureEvent ID0x242eTypeCONTROLLERSeverityERRORParametersController

Page 157

Introduction1-8• Configuring the hardware settings and doing health checkAfter installing your RAID systems with necessary components, like hard disk

Page 158

AppendixD-43• Fan• VoltageEvent ID0x2804TypeENCLOSURESeverityNOTICEParametersFan ID, Enclosure IDMessageRotation speed of fan x in enclosure y back

Page 159

AppendixD-44Event ID0x280aTypeENCLOSURESeverityWARNINGParametersVoltageMessageAbnormal +3.3V voltage source in backplane (z V)Abnormal +3.3V voltage s

Page 160 - 5.6.8 RAID System Monitoring

AppendixD-45• Power supply• BBMEvent ID0x280dTypeENCLOSURESeverityINFOParametersPSU ID, Enclo-sure IDMessagePower supply x in enclosure y detectedDe

Page 161 - 5.7 VDS Provider

AppendixD-46Event ID0x2812TypeENCLOSURESeverityINFOParametersController IDMessageBBM in controller x is chargingDescriptionBBM in controller x was not

Page 162

AppendixD-47• UPSEvent ID0x2828TypeENCLOSURESeverityWARNINGParametersController IDMessageRemaining capacity of BBM in Controller x under thresholdDes

Page 163 - • Microsoft DiskRAID

AppendixD-48Event ID0x281cTypeENCLOSURESeverityINFOParametersMessageUPS battery back to normalDescriptionUPS battery charge back to normal range.Advic

Page 164 - • Emulex EZPilot

AppendixD-49• SAS LinkD.7 System• ConfigurationsEvent ID0x2825TypeENCLOSURESeverityINFOParametersMessageSAS link is upDescriptionSAS link detected

Page 165 - Chapter 6: Troubleshooting

AppendixD-50• Security controlEvent ID0x2416TypeSYSTEMSeverityINFOParametersDISK IDMessageNVRAM configurations restored from HDDxDescriptionThe NVRAM

Page 166 - 6.3 Performance Tuning

AppendixD-51• EventsEvent ID0x2410TypeSYSTEMSeverityINFOParametersMessageAdmin login failedDescriptionAdministrator failed to login to the controller

Page 167 - 6.4 Hard Disks

AppendixD-52Event ID0x0401TypeSYSTEMSeverityERRORParametersMessageEvent test with severity: errorDescriptionUsers have generated a simulated event to

Page 168 - 6.5 User Interfaces

Introduction1-9Data integrity assuranceFor better system reliability, you are advised to set policies for handling exceptions, like to start disk clon

Page 169 - Troubleshooting

AppendixD-53• Firmware updateEvent ID0x2414TypeSYSTEMSeverityNOTICEParametersMessageAuto-write-through de-activatedDescriptionThe pre-defined trigger

Page 170

AppendixD-54• Email (SMTP) server statusEvent ID0x2429TypeSYSTEMSeverityINFOParametersController IDMessageBoot code in controller x updatedDescriptio

Page 171

AppendixD-55• System start-up and shutdown• MiscellaneousEvent ID0x2402TypeSYSTEMSeverityINFOParametersMessageSystem to be restarted or haltedDescri

Page 172

AppendixD-56• Fail-backEvent ID0x2432TypeSYSTEMSeverityINFOParametersMessageSystem Date or Time has been changedDescriptionThe system date or time ha

Page 173 - A.1 RAID Overview

AppendixD-57Event ID0x2438TypeSYSTEMSeverityINFOParametersMessageEnclosure serial number in controller x updated by controller yDescriptionDuring fail

Page 174 - A.2 RAID 0

AppendixD-58D.8 Network• NetworkEvent ID0x243fTypeSYSTEMSeverityNOTICEParametersMessageConnected expansion or disk numbers of the returning control

Page 175 - A.3 RAID 1

AppendixD-59• iSCSI portEvent ID0x3401TypeNETWORKSeverityNOTICEParametersEthernet IDMessageLink down on network interface ethxDescriptionThe network

Page 176 - A.4 RAID 3

AppendixD-60D.9 Miscellaneous• Event subscribeD.10 SnapshotEvent ID0x3406TypeNETWORKSeverityWARNINGParametersiSCSI port IDMessageMAC address conf

Page 177 - A.5 RAID 5

AppendixD-61Event ID0x3C01TypeSNAPSHOTSeverityINFOParametersPrimary Volume, Secondary VolumeMessageSnapshot volume pair x/y deletedDescriptionSnapshot

Page 178 - A.6 RAID 6

AppendixD-62Event ID0x3C08TypeSNAPSHOTSeverityINFOParametersSpare COW vol-umeMessageSpare COW volume x is added.DescriptionSpare COW volume x was adde

Page 179 - A.7 RAID 10

Using the RAID GUI2-1Chapter 2: Using the RAID GUI2.1 Accessing the RAID GUI1. Open a browser and enter the IP address in the address field. (The de

Page 180 - A.8 RAID 30

Using the RAID GUI2-2• Firefox language settingsHere is an example of how to change the GUI language settings in Firefox.1. Open the Firefox browser

Page 181 - A.9 RAID 50

Using the RAID GUI2-32.1.2 Multiple System ViewerThe RAID GUI features a side button for a quick on-line system view. The side button is always on th

Page 182 - A.10 RAID 60

Using the RAID GUI2-42.2 Monitor ModeRAID GUI monitors the status of your RAID controller(s) through your Ethernet connection. The RAID GUI window f

Page 183 - A.11 JBOD

U320 SCSI to SATA II4G Fibre to SASSAS to SASiSCSI to SASModel: SA-8850S, SA-4551S, SA-6651S, SA-6651E, SS-4551E, SS-4552E, SS-6651E, SS-6652E, SS-450

Page 184 - A.12 NRAID

Using the RAID GUI2-5System name, controller name, firmware version, and boot code version information are also displayed at the bottom left of the pa

Page 185 - B.1 Overview

Using the RAID GUI2-62.2.2 Information iconsWhen components are working normally, their icons are shown in green. When components are uninstall, not

Page 186 - Appendix

Using the RAID GUI2-72.2.3 Rear side viewOn the rear side of the RAID system, you can see the fan modules, power supplies, host ports (fibre, SAS, SC

Page 187

Using the RAID GUI2-8• For Redundant and Upgradable RAID system Figure 2-10 Rear side of the redundant RAID systemController Afcpa2 (left)/fcpa1 (r

Page 188

Using the RAID GUI2-9Component Detailed InformationAFan module• BP_FAN1• BP_FAN2• BP_FAN3• BP_FAN4BPower supply• POW1• POW2• POW3CEthernet port• IP Ad

Page 189

Using the RAID GUI2-102.2.4 LoginThe RAID GUI provides two sets of default login members.When logging in to the GUI as user, you can only view the se

Page 190

Using the RAID GUI2-112.3 SAS JBOD Enclosure Display (for SAS expansion controller only)The single controller RAID subsystem provides a SAS expansi

Page 191

Using the RAID GUI2-122.3.2 SAS JBOD Installation with RAID subsystem• For single controller with single JBODs:Use the down and up stream ports to c

Page 192

Using the RAID GUI2-132.3.3 Monitor modeWhen SAS JBOD chassis are connected, the enclosure tabs will appear in the Monitor Mode (see Figure 2-16). Ea

Page 193

Using the RAID GUI2-142.3.5 SAS/SATA HDD informationThrough the hard disk codes and tray color shown on the screen, you can easily identify the statu

Page 195 - C.2 (L) Load Image by TFTP

Using the RAID GUI2-152.5 Quick Setup2.5.1 Performance profileThe RAID GUI provides three performance profiles for you to apply the preset settings

Page 196 - C.3 (B) Update Boot ROM

Using the RAID GUI2-16• Redundant-controller RAID configurationTwo volumes (for raid30, raid50, or raid60) or two logical disks (for other RAID level

Page 197 - C.7 (R) Restart system

Using the RAID GUI2-17Modify: Select a hard disk and click this button to enter the settings screen to enable or disable the disk cache and the disk i

Page 198 - D.1 RAID

Using the RAID GUI2-18• Modify JBOD disksTo modify a setting, select a JBOD and click Modify. Specify the following options for configuration.To clea

Page 199

Using the RAID GUI2-19• Delete disk groupsSelect the disk group(s) you want to delete and click Delete.• Modify disk groupsTo modify a setting, sele

Page 200 - • Initialization

Using the RAID GUI2-20• Detailed disk group informationClick to display a complete list of disk group information. You will see the following detai

Page 201 - • Spare

Using the RAID GUI2-21• Delete logical disksSelect the logical disk(s) you want to delete and click Delete. To delete all LUNs of dgxldy, check the ‘

Page 202 - • Roaming

Using the RAID GUI2-22• Detailed logical disk informationClick to display a complete list of logical disk information. You will see the following d

Page 203 - • Recovery

Using the RAID GUI2-23• Modify volumesTo modify a setting, select a volume and click Modify. Specify the following options for configuration.To clear

Page 204 - • Write Cache

Using the RAID GUI2-24• Delete snapshot volume pairsSelect the snapshot volume pair(s) you want to delete and click Remove.• Modify snapshot volume

Page 205 - D.2 Task

ContentsviiTable of ContentsChapter 1: Introduction1.1 Overview ...

Page 206 - • Logical disk migration

Using the RAID GUI2-25• Delete snapshot volumesSelect the snapshot volume(s) you want to delete and click Delete. To delete all LUNs of svolx, check

Page 207

Using the RAID GUI2-26Add LUNs in a storage portIn the simple storage main screen, click Add to add a LUN to the default storage group of an FC port/S

Page 208

Using the RAID GUI2-27Add hostsIn the symmetric storage main screen, click Host > Add.Remove hostsSelect the host(s) you want to delete and click R

Page 209 - • Disk group defragmentation

Using the RAID GUI2-28• Selective methodSelective storage is used in complicated SAN environments, where there are multiple hosts accessing the contr

Page 210 - • Disk cloning

Using the RAID GUI2-29Remove LUNs in storage groupSelect the LUN(s) you want to delete and click Remove. To remove all LUNs of a virtual disk from all

Page 211

Using the RAID GUI2-304. Click Confirm. The task is created.2.7.2 Defragmenting disk groupsExcept defragmenting disk groups during expansion, there i

Page 212

Using the RAID GUI2-31* Where “Nn” means the number of member disks in the new RAID level, “No” means the number of member disks in the original/old R

Page 213

Using the RAID GUI2-323. Click Apply to view the current settings.4. Click Confirm. The task starts.2.7.6 Expanding volumesTo expand the capacity of

Page 214

Using the RAID GUI2-332.7.8 Cloning hard disksWhen a hard disk is likely to become faulty or develop errors, for example, when the number of reported

Page 215

Using the RAID GUI2-343. Click Apply. The task will start according to the specified time.To cancel disk scrubbing, do the following:1. Select the tas

Page 216

Contentsviii2.7.12 Array roaming ... 2-512

Page 217

Using the RAID GUI2-35To stop the DST of a hard disk, select it and click Stop. A confirmation prompt displays. Click Confirm to end the DST.2.7.12 A

Page 218

Using the RAID GUI2-36• Partition state transitionThe corresponding events and state transitions of a partition are shown in the table below:Before l

Page 219 - D.3 Disk

Using the RAID GUI2-372.7.14 Schedule taskThe DG reconfiguration, LD reconfiguration, disk cloning, disk scrubbing, and DST scheduled tasks are liste

Page 220

Using the RAID GUI2-382.8 Hardware Configurations2.8.1 Hard disksIn this section, you can configure the following settings to all hard disks.NoteHa

Page 221 - • Disk port and chip

Using the RAID GUI2-39This option specifies the transfer speed of a hard disk. When Auto is specified, the transfer speed is determined by the control

Page 222 - • SMART disk self tests

Using the RAID GUI2-402.8.2 Ports2.8.2.1 FC / SAS / SCSI portsThis shows information about FC/SAS/SCSI ports. For FC ports including Controller Fa

Page 223 - • Bad block handling

Using the RAID GUI2-412.8.2.2 iSCSI portsThis shows information about iSCSI ports, including Assignment (DHCP/Static), IP address, Subnet Mask, Gat

Page 224

Using the RAID GUI2-42• Create an iSCSI target1. Click Create to open the configurations window, specify the following options:2. After setting done,

Page 225 - • On-disk metadata

Using the RAID GUI2-43• Delete a CHAP UserSelect the iSNS server you want to delete and click Remove.2.8.2.2.6 Aggregate, RM-AggrThe Aggregation func

Page 226

Using the RAID GUI2-442.9 Event ManagementEvent Management enables or disables event notifications. When an event is detected, the controller will a

Page 227 - • Disk Cache

Contentsix4.1.1 Embedded CLI ... 4-14.1.

Page 228 - D.4 Host ports

Using the RAID GUI2-45Add SNMP Event Receivers ServersYou can have up to three SNMP servers to receive SNMP event notification packets. Click Add to c

Page 229 - • Port and chip

Using the RAID GUI2-464. Set Agent's Charset to IS0-8859-1 (Choose Tools > Options > General).SNMP MIB Operation (Ex. iReasoning MIB Browse

Page 230 - • Hosts

Using the RAID GUI2-47Record Event LogClick Configure and specify the Lowest severity of events option for the events you want to record on NVRAM. The

Page 231

Using the RAID GUI2-48To make the settings effective, click Apply.2.10 System Management2.10.1 Restoring to factory settingsTo clear the NVRAM or h

Page 232

Using the RAID GUI2-49Read the NVRAM configuration on hard disks and save to NVRAMSpecify this option to read the NVRAM configuration data on the spec

Page 233

Using the RAID GUI2-502.10.3 Setting up the networkThe network interface serves as one of the methods to manage the controller. There are two network

Page 234

Using the RAID GUI2-512.10.4 System Time• Setting up the TimeTime is required for the controller to record events and to schedule maintenance tasks.

Page 235 - • iSCSI

Using the RAID GUI2-522.10.6 System informationTo view system information and controller information, select System Management > System Informatio

Page 236

Using the RAID GUI2-532.10.9 Restart or halt the controllerWhen you want to turn the RAID system off, you must go through a regular shutdown procedur

Page 237 - D.5 Controller hardware

Using the RAID GUI2-542.11 Performance Management2.11.1 Hard disksThis feature allows you to enable, disable, or reset disk IO logging for all hard

Page 238

Contentsx4.9.1 Configurations management ... 4-344.9.2 Time man

Page 239 - D.6 Enclosure

Using the RAID GUI2-552.11.3 LUNThis feature allows you to enable, disable, or reset LUN IO logging.When LUN IO logging is enabled, the following IO

Page 240 - • Voltage

Using the RAID GUI2-56Click to see a complete list of storage port information. You will see the following details.• HTP ID• Primitives Sequence P

Page 241

Using the LCD Consolel3-1Chapter 3: Using the LCD Console3.1 Starting LCD ManipulationThe RAID system has a front LCD panel which supports a quick c

Page 242 - • Power supply

Using the LCD Console3-23.2 LCD Messages3.2.1 LCD layoutWhere:∗ : Heart Plus. The heart plus icon flashes when the controller is working normally.

Page 243

Using the LCD Consolel3-33.2.3 Emergent infoWhen an emergent event occurs, you can read the message on the LCD. This state is held until every event

Page 244

Using the LCD Console3-43.2.5 HotkeysThere are four buttons on the LCD console, UP, DOWN, ESC, and ENT. In addition to their basic functions, they ca

Page 245

Using the LCD Consolel3-53.3 Menu3.3.1 Menu TreeUse the UP or DOWN arrow buttons to scroll through the menu. Press the ENT button to enter the sele

Page 246 - D.7 System

Using the LCD Console3-63.3.4 Terminal Port SettingsTo configure the settings of terminal port, enter the Terminal Port menu. Specify the following i

Page 247 - • Security control

Using the CLI Commands4-1Chapter 4: Using the CLI Commands4.1 OverviewThe Command Line Interface (CLI) is a set of commands which allows users to co

Page 248 - • Events

Using the CLI Commands4-2Controller modifierIn a dual-controller system, hardware such as the host interface ports is exactly the same on the two cont

Page 249

Contentsxi5.6.7 RAID System Registration ...5-675.6.8 RAID

Page 250 - • Firmware update

Using the CLI Commands4-34.2.3 Disk groups4.2.4 Spare and rebuildCommanddgcreateSynopsisdgcreate dgi hddx hddy ... [-n name] [-i par/seq] [-z] [-s h

Page 251 - • Email (SMTP) server status

Using the CLI Commands4-44.2.5 Logical disks4.2.6 RAID algorithms optionsCommandautospareSynopsisautospare [on/off]DescriptionReview or set the auto

Page 252 - • Miscellaneous

Using the CLI Commands4-54.2.7 Volumes4.2.8 CacheCommandcheckonreadSynopsischeckonread dgxldy/all on/offDescriptionEnable or disable check-on-read f

Page 253 - • Fail-back

Using the CLI Commands4-64.3 RAID Maintenance Utilities4.3.1 RAID attributes reconfiguration utilitiesCommandcachepflushSynopsiscachepflush [period

Page 254

Using the CLI Commands4-74.3.2 Data integrity maintenance utilitiesCommandldexpandSynopsisldexpand dgildx newcapacity [-i initopt] [-f x,y]Descriptio

Page 255 - D.8 Network

Using the CLI Commands4-84.3.3 Task priority control4.3.4 Task schedule managementCommandregparitySynopsisregparity dgx/dgxldyDescriptionRegenerate

Page 256 - • iSCSI port

Using the CLI Commands4-94.3.5 On-going task monitoring4.3.6 Array and volume roamingCommandschedulelistSynopsisschedulelist command/allDescriptionL

Page 257 - D.10 Snapshot

Using the CLI Commands4-104.3.7 Array recovery utilities4.4 Storage Presentation4.4.1 Hosts4.4.2 Host groupsCommanddgrecoverSynopsisdgrecover dgx

Page 258

Using the CLI Commands4-114.4.3 Storage groupsCommandhgnameSynopsishgname hgx nameDescriptionName a host group.CommandhglistSynopsishglist hgx/allDes

Page 259

Using the CLI Commands4-124.4.4 Presentation planning4.4.5 Selective storage presentation4.4.6 Simple storage presentationCommandsglistlunSynopsiss

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