APC RAID Subsystem SCSI-SATA II User Manual

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Summary of Contents

Page 1 - Toll Free: 1-888-865-6888

Toll Free: 1-888-865-6888Tel: 510-226-8368 Fax: 510-226-8968Email: [email protected]

Page 2 - Subsystem

- 9 - 4. Redundant power supply monitor 5. 3.3V, 5V and 12V voltage monitor 6. Thermal sensors x 3 on the controller BOARD (for CPU, bridge and ho

Page 3 - Important Safeguards

- 101 - Figure B.11 15. Click “Targets” tab, select Targets Name, and then click “Log On…”. 16. Enable “Enable multi-path” checkbox. Then click “

Page 4 - Safety Instructions

- 102 - Figure B.13 18. Click “OK” Figure B.14 19. Done, it can connect to an iSCSI disk with MPIO. • MC/S 20. If running MC/S, please con

Page 5 - Preface

- 103 - Figure B.15 22. Click “Connections…”. Figure B.16 23. Click “Add”. RAG362

Page 6

- 104 - Figure B.17 24. Click “Advanced…”. Figure B.18 25. Select “Source IP:” and “Target portal:”. 26. Click “OK” RAG362

Page 7

- 105 - Figure B.19 27. Click “OK” Figure B.20 28. Done, it can connect to an iSCSI disk with MC/S. RAG362

Page 8 - Chapter 1 Overview

- 106 - System information RAG362SW version 1.0.8p2 RAG36

Page 9

- 10 - RAID drive obtains performance, capacity and reliability than a single drive. The operating system detects the RAID drive as a single storage d

Page 10 - 1.2 RAID concepts

- 11 - media occurs at a later time. It speeds up system write performance but needs to bear the risk where data may be inconsistent between data cac

Page 11 - 1.2.1 Terminology

- 12 - CHAP Challenge Handshake Authentication Protocol. An optional security mechanism to control access to an iSCSI storage system over the iSCSI d

Page 12

- 13 - 1.2.3 Volume relationship The below graphic is the volume structure which RAG362 has designed. It describes the relationship of RAID compo

Page 13 - 1.2.2 RAID levels

- 14 - operations like read or write. An initiator is usually located on the host side (either an iSCSI HBA or iSCSI SW initiator). The target is th

Page 14 - 1.3 iSCSI concepts

- 15 - Support Kernels: 89Hhttp://www.open-iscsi.org/cgi-bin/wiki.pl/Supported_Kernels Google groups: 90Hhttp://groups.google.com/group/open-iscsi/th

Page 15 - Figure 1.3.1

- 16 - Chapter 2 Installation 2.1 Package contents The package contains the following items: - One RAG362 : Gigabit LAN (x2) -to- SATA II/SAS RAID

Page 16

- 17 - 2.3 Make the system connected Before starting, prepare the following items. 1. Check “Certification list” in Appendix A to confirm the har

Page 17 - Chapter 2 Installation

- 18 - Chapter 3 Quick setup 3.1 Management interfaces There are three management methods to manage RAG362 controller, describe in the following

Page 18

iSCSI GbE (2-port) to SATA II / SAS Subsystem User Manual RAG362For warranty repair, please refer to our terms and conditions:http://www.rackm

Page 19 - Chapter 3 Quick setup

- 19 - Figure 3.1.3.1 Press “Enter” button, the LCM functions “System Info.”, “Alarm Mute”, “Reset/Shutdown”, “Quick Install”, “Volume Wiza

Page 20 - Figure 3.1.3.1

- 20 - • LCM menu hierarchy: [Firmware Version x.x.x] [System Info.] [RAM Size xxx MB] [Alarm Mute] [cYes Nod] [Reset] [cYes No

Page 21

- 21 - 3.1.4 Web UI RAG362 controller supports graphic user interface (GUI) to operate. Be sure to connect the LAN cable. The default IP setting is

Page 22 - 3.1.4 Web UI

- 22 - • Indicator description: RAID light: x Green Æ RAID works well. x Red Æ RAID fails. Temperature light: x Green Æ Temperature is normal.

Page 23

- 23 - 3.2 How to use the system quickly The following methods will describe the quick guide to use this controller. 3.2.1 Quick installation It

Page 24 - 3.2.1 Quick installation

- 24 - 3.2.2 Volume creation wizard “Volume create wizard” has a smarter policy. When the system is inserted with some HDDs. “Volume create wizard”

Page 25 - 3.2.2 Volume creation wizard

- 25 - Step 3: Decide VD size. User can enter a number less or equal to the default number. Then click “Next”. Figure 3.2.2.3 Step 4: Confirm page

Page 26 - Figure 3.2.2.4

- 26 - Chapter 4 Configuration 4.1 Web UI management interface hierarchy The below table is the hierarchy of web GUI. Quick installation ÆStep 1

Page 27 - Chapter 4 Configuration

- 27 - Reset to default ÆSure to reset to factory default? Import and export ÆImport/Export / Import file Event log ÆDownload / Mute / Clear Reboo

Page 28 - 4.2 System configuration

- 28 - Check “Change date and time” to set up the current date, time, and time zone before using or synchronize time from NTP (Network Time Protoco

Page 29 - 4.2.3 Login setting

- 2 - Important Safeguards Please read all of these instructions carefully before you use the device. Save this manual for future reference.W

Page 30 - 4.2.4 Mail setting

- 29 - 1. Auto logout: The options are (1) Disabled; (2) 5 minutes; (3) 30 minutes; (4) 1 hour. The system will log out automatically when user is i

Page 31 - 4.2.5 Notification setting

- 30 - Figure 4.2.4.1 4.2.5 Notification setting “Notification setting” can set up SNMP trap for alerting via SNMP, pop-up message via Windows mess

Page 32 - 4.3 iSCSI configuration

- 31 - “SNMP” allows up to 3 SNMP trap addresses. Default community setting is “public”. User can choose the event log levels and default setting ena

Page 33 - 4.3.2 NIC

- 32 - needs to install an iSNS server in SAN. Add an iSNS server IP address into iSNS server lists in order that iSCSI initiator service can send que

Page 34

- 33 - • Default gateway: Default gateway can be changed by checking the gray button of LAN port, click “Become default gateway”. There can be only on

Page 35 - 4.3.3 Node

- 34 - Figure 4.3.2.5 For example, LAN1 and LAN2 are set as Trunking mode. To remove Trunking / LACP setting, checking the gray button of LAN port

Page 36 - 4.3.4 Session

- 35 - 3. Click “Confirm”. Figure 4.3.3.5 4. Go to “/ iSCSI configuration / CHAP account” page to create CHAP account. Please refer to next sect

Page 37 - 4.4 Volume configuration

- 36 - 4.3.5 CHAP account “CHAP account” can manage a CHAP account for authentication. RAG362 can create a CHAP account. To setup CHAP account, p

Page 38 - Physical disk

- 37 - Figure 4.4.1 4.4.1 Physical disk “Physical disk” can view the status of hard drives in the system. The followings are operational steps:

Page 39

- 38 - Figure 4.4.1.2 Step 3: Done. View “Physical disk” page. Figure 4.4.1.3 (Figure 4.4.1.3: Physical disks in slot 1,2,3 are created for a RG

Page 40

Regulatory Notice Legal InformationFirst English printing, October 2002Information in this docum

Page 41 - 4.4.2 RAID group

- 39 - • PD column description: Slot The position of a hard drive. The button next to the number of slot shows the functions which can be executed. S

Page 42 - Figure 4.4.2.2

- 40 - Write cache Hard drive write cache is enabled or disabled. Default is “Enabled”. Standby HDD auto spindown to save power. Default is “Disabled

Page 43

- 41 - Figure 4.4.2.1 Step 2: Confirm page. Click “Confirm” if all setups are correct. Figure 4.4.2.2 (Figure 4.4.2.2: There is a RAID 0 with 4

Page 44 - 4.4.3 Virtual disk

- 42 - Free (GB) (MB) Free capacity of this RAID group. The unit can be displayed in GB or MB. #PD The number of physical disks in a RAID group. #VD T

Page 45

- 43 - Delete Delete the RAID group. Set disk property Change the disk property of write cache and standby options. Write cache: x “Enabled” Æ Enable

Page 46

- 44 - Figure 4.4.3.1 Step 2: Confirm page. Click “Confirm” if all setups are correct. Figure 4.4.3.2 (Figure 4.4.3.2: Create a VD named

Page 47

- 45 - Step 3: Done. View “Virtual disk” page. • VD column description: No. Virtual disk number. The button includes the functions which can be execu

Page 48

- 46 - Type The type of virtual disk: x “RAID” Æ the virtual disk is normal. x “BACKUP” Æ the virtual disk is for clone usage. Health The health of

Page 49 - 4.4.4 Snapshot

- 47 - Delete Delete the virtual disk. Set property Change the VD name, right, priority, bg rate and read ahead. Right: x “WT” Æ Write Through. x “W

Page 50

- 48 - space next chapter for more detail. Cleanup snapshot Clean all snapshots of a VD and release the snapshot space. Take snapshot Take a snapshot

Page 51

- 4 - Preface About this manual This manual is the introduction of RAG362, 3U SAS/SATA 16-bay iSCSI 2-port RAID Subsystem controller and it aims to

Page 52

- 49 - Figure 4.4.4.3 Step 4: Expose the snapshot VD. Check the gray button next to the Snapshot VD number; click “Expose”. Enter a capacity for

Page 53 - 4.4.6 Example

- 50 - Name Snapshot VD name. Used (GB) (MB) The amount of snapshot space that has been used. The unit can be displayed in GB or MB. Status The statu

Page 54

- 51 - 4.4.5 Logical unit “Logical unit” can view, create, and modify the status of attached logical unit number(s) of each VD. User can attach LUN

Page 55 - Figure 4.4.6.6

- 52 - This field can not accept comma, so “iqn.host1, iqn.host2” stands a long string, not 2 iqns. 4.4.6 Example The following is an example to cr

Page 56 - Figure 4.4.6.8

- 53 - Figure 4.4.6.3 1. Select “/ Volume configuration / Virtual disk”. 2. Click “Create”. 3. Input a VD name, choose a RG Name and enter a size

Page 57 - 4.5 Enclosure management

- 54 - The procedures are as follows: Figure 4.4.6.5 1. Select a VD. 2. Input “Host” IQN, which is an iSCSI node name for access control, or fil

Page 58 - 4.5.1 SES configuration

- 55 - Figure 4.4.6.7 (Figure 4.4.6.7: Slot 4 is set as a global spare disk.) Step 5: Done. Delete VDs, RG, please follow the below steps. Step

Page 59 - 4.5.2 Hardware monitor

- 56 - Step 8: Delete a RG (RAID group). To delete a RAID group, please follow the procedures: 1. Select “/ Volume configuration / RAID group

Page 60 - 4.5.4 UPS

- 57 - 5. Power sensors: 10 seconds, when there are 3 errors consecutively, system sends ERROR event log. 6. LED status: 10 seconds. Figure 4.5.1

Page 61 - Figure 4.5.4.2

- 58 - 4.5.2 Hardware monitor “Hardware monitor” can view the information of current voltages and temperatures. Figure 4.5.2.1 If “Auto shutdown”

Page 62 - 4.6 System maintenance

- 5 - Table of Contents Chapter 1 Overview...

Page 63 - Upgrade

- 59 - 4.5.3 Hard drive S.M.A.R.T. support S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) is a diagnostic tool for hard drives to de

Page 64 - 4.6.5 Event log

- 60 - Currently, the system only supports and communicates with smart-UPS of APC (American Power Conversion Corp.) UPS. Please review the details fr

Page 65 - 4.7 Logout

- 61 - Battery Level (%) Current power percentage of battery level. 4.6 System maintenance “Maintenance” allows the operation of system functions w

Page 66 - 5.1 Volume rebuild

- 62 - 4.6.2 Upgrade “Upgrade” can upgrade firmware. Please prepare new firmware file named “xxxx.bin” in local hard drive, then click “Browse” to

Page 67

- 63 - 4.6.4 Import and export “Import and export” allows user to save system configuration values: export, and apply all configuration: import. For

Page 68 - 5.2 RG migration

- 64 - Figure 4.6.5.1 The event log is displayed in reverse order which means the latest event log is on the first / top page. The event logs are a

Page 69 - 5.3 VD extension

- 65 - Chapter 5 Advanced operations 5.1 Volume rebuild If one physical disk of the RG which is set as protected RAID level (e.g.: RAID 3, RAID 5, o

Page 70 - Figure 5.4.1

- 66 - • Rebuild operation description: RAID 0 Disk striping. No protection for data. RG fails if any hard drive fails or unplugs. RAID 1 Disk mirrori

Page 71 - Figure 5.4.1.2

- 67 - 5.2 RG migration To migrate the RAID level, please follow below procedures. 1. Select “/ Volume configuration / RAID group”. 2. Check the gr

Page 72 - 5.4.3 Rollback

- 68 - 1. Add dedicated spare. 2. Remove a dedicated spare. 3. Create a new VD. 4. Delete a VD. 5. Extend a VD. 6. Scrub a VD. 7. Perform anoth

Page 73 - 5.4.4 iSnap constraint

- 6 - 4.6 System maintenance ... 61 4.6.1 System information ...

Page 74 - Figure 5.4.4.1

- 69 - 5.4 iSnap Snapshot-on-the-box (iSnap) captures the instant state of data in the target volume in a logical sense. The underlying l

Page 75 - 5.5 Disk roaming

- 70 - 5.4.1 Create snapshot volume To take a snapshot of the data, please follow the procedures. 1. Select “/ Volume configuration / Virtual disk”

Page 76 - VD clone

- 71 - 5.4.2 Auto snapshot The snapshot copies can be taken manually or by schedule such as hourly or daily. Please follow the procedures. 1. There

Page 77 - Figure 5.6.6

- 72 - 5.4.4 iSnap constraint RAG362 snapshot function applies Copy-on-Write technique on UDV/VD and provides a quick and efficient backup m

Page 78 - Figure 5.6.9

- 73 - Figure 5.4.4.1 On Linux and UNIX platform, a command named sync can be used to make the operating system flush data from write caching into d

Page 79 - Figure 5.6.13

- 74 - run out, the system will try to remove the oldest snapshot to release more space for the latest snapshot usage. As the latest snapshot is growi

Page 80 - Figure 5.6.15

- 75 - 5.6 VD clone The user can use VD clone function to backup data from source VD to target VD, set up backup schedule, and deploy the clone rul

Page 81 - 5.7 MPIO and MC/S

- 76 - Figure 5.6.3 4. There are three clone configurations, describe on the following. Figure 5.6.4 x Snapshot space: Figure 5.6.5 This s

Page 82 - Figure 5.7.1

- 77 - rest snapshot space has been used 50%, in other words, the total snapshot space has been used 75%, the system will synchronize the source VD a

Page 83 - 5.8 Trunking and LACP

- 78 - Figure 5.6.10 8. Click “Start clone”, the clone process will start. Figure 5.6.11 9. The default setting will create a snapshot space aut

Page 84

- 7 - Chapter 1 Overview 1.1 Features RAG362 controller can provide non-stop service with a high degree of fault tolerance by using RAG362 RAID

Page 85 - Chapter 6 Troubleshooting

- 79 - Figure 5.6.14 12. There are “Set Clone schedule” and “Clear Clone schedule” in this page. Please remember that “Threshold” and “Restart the t

Page 86 - EMS events

- 80 - When running out of snapshot space, the flow diagram of VD clone procedure will be like the following. Figure 5.6.16 5.7 MPIO and MC/S

Page 87 - LVM events

- 81 - session fails, then another session can continue processing I/O without interruption to the application. Figure 5.7.1 2. MC/S: MC/S (Multip

Page 88

- 82 - Figure 5.7.2 Difference: MC/S is implemented on iSCSI level, while MPIO is implemented on the higher level. Hence, all MPIO infrastructures

Page 89 - Battery backup events

- 83 - ability. Beside the advantage of wide bandwidth, the I/O traffic remains operating until all physical links fail. If any link is restored, it

Page 90 - HAC events

- 84 - Chapter 6 Troubleshooting 6.1 System buzzer The system buzzer features are listed below: 1. The system buzzer alarms 1 second when system b

Page 91 - 6.3 How to get support

- 85 - fail ERROR SATA revision id fail Failed to get SATA revision id ERROR SATA set reg fail Failed to set SATA register ERROR SATA init fail Cor

Page 92 - Appendix

- 86 - • RMS events Level Type Description INFO Console Login <username> login from <IP or serial console> via Console UI INFO Cons

Page 93

- 87 - INFO VD move finished VD <name> completes move. ERROR VD move failed Failed to complete move of VD <name>. INFO RG activated RG

Page 94 - SATA 2.5”

- 88 - INFO VD erase started VD <name> starts erasing process. • Snapshot events Level Type Description WARNING Snap mem Failed to alloca

Page 95 - B. Microsoft iSCSI initiator

- 8 - 8. One logic volume can be shared by as many as 8 hosts 9. Host access control 10. Configurable N-way mirror for high data protection 11. O

Page 96 - Figure B.4

- 89 - • System maintenance events Level Type Description INFO System shutdown System shutdown. INFO System reboot System reboot. INFO System

Page 97 - Figure B.6

- 90 - • Clone events Level Type Description INFO VD clone started VD <name> starts cloning process. INFO VD clone finished VD <name&

Page 98 - Figure B.8

- 93 - Appendix . A. Certification list • RAM RAM Spec: 240-pin, DDR2-533(PC4300), Reg.(register) or UB(Unbufferred), ECC, up to 4GB, 64-bit data bu

Page 99 - Figure B.10

- 94 - Mac ATTO Xtend SAN iSCSI initiator v3.10 System Requirements: 1. Mac OS X v10.5 or later For ATTO Xtend SAN iSCSI initiator, it is not free.

Page 100

- 95 - Seagate Barracuda 7200.7, ST380817AS, 80GB, 7200RPM, SATA 1.5Gb/s, 8M, NCQ Seagate Barracuda 7200.8, ST3400832AS, 400GB, 7200RPM, SATA 1.5Gb

Page 101 - Figure B.14

- 96 - B. Microsoft iSCSI initiator Here is the step by step to setup Microsoft iSCSI Initiator. Please visit Microsoft website for latest iSCSI init

Page 102 - Figure B.16

- 97 - Figure B.3 5. Click “Target” tab. Highlight the Targets Name. Figure B.4 6. Click “Log on…”. Enable “Automatically restore this conne

Page 103 - - 104

- 98 - Figure B.5 7. Click “Advanced…”. 8. Select “Local adapter:”, “Source IP:” and “Target portal:”. And then click “OK” Figure B.6 9.

Page 104 - 27. Click “OK”

- 99 - Figure B.7 10. Click “OK”. The iSCSI is now connected. Figure B.8 RAG362

Page 105 - System information

- 100 - • MPIO 11. If running MPIO, please continue. 12. Click “Discovery” tab to connect the second path. 13. Click “Add Portal…”. Input IP address

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