Apc iSCSI SATA II User Manual

iSCSI – SATA II RAID SUBSYSTEM Installation and Configuration Manual Revision 1.0 P/N: PW0020000000328

[10] Definition of RAID Levels RAID 0 is typically defined as a group of striped disk drives without parity or data redundancy. RAID 0 arrays can be

[11] RAID 3 sector-stripes data across groups of drives, but one drive in the group is dedicated to storing parity information. RAID 3 relies on the

[12] Dual-level RAID achieves a balance between the increased data availability inherent in RAID 1 and RAID 5 and the increased read performance inhe

[13] RAID Management The subsystem can implement several different levels of RAID technology. RAID levels supported by the subsystem are shown below

[14] 1.5 Volume Relationship Diagram This diagram shows how the volume structure of the iSCSI RAID subsystem is designed. I

[15] Chapter 2 Getting Started 2.1 Packaging, Shipment and Delivery  Before removing the subsystem from the shipping carton, you should visual

[16] 2.3 Identifying Parts of the iSCSI RAID Subsystem The illustrations below identify the various parts of the subsystem. 2.3.1 Front View

[17] 5 LCD Display Panel 6 LCD Control Module (LCM) Use the function keys to navigate through the menu options available in the LCM. Parts F

[18] 2.3.2 Rear View 1. Uninterruptible Power Supply (UPS) Port (APC Smart UPS only) The subsystem may come with an optional UPS port allowin

[19] 2.4 Connecting the iSCSI RAID Subsystem to Your Network To connect the iSCSI unit to the network, insert the cable that came with the unit in

[2] Table of Contents Chapter 1 Introduction...4 1.1 Ke

[20] 2.6 Installing Hard Drives The expansion chassis supports hot-swapping allowing you to install or replace a hard drive while the subsystem is

[21] 2.7 iSCSI Introduction iSCSI (Internet SCSI) is a protocol which encapsulates SCSI (Small Computer System Interface) commands and data in TCP

[22] 1. Link to download the Microsoft iSCSI software initiator: http://www.microsoft.com/downloads/details.aspx?FamilyID=12cb3c1a-15d6-4585-b385-be

[23] http://192.168.10.50 or https://192.168.10.50 (https: connection with encrypted Secure Sockets Layer (SSL). Please be aware of the https func

[24] 2.9 Enclosure 2.9.1 LCD Control Module (LCM) There are four buttons to control the subsystem LCM (LCD Control Module). These are: c(Up

[25] The following is the LCM menu hierarchy. [Firmware Version] [System Info.] [RAM Size] [Alarm Mute] [cYes Nod] [Reset] [cYes

[26] 2.9.2 System Buzzer The system buzzer features are described as follows: 1. The system buzzer alarms 1 second when system boots up successf

[27] Chapter 3 Web GUI Guideline 3.1 iSCSI RAID Subsystem GUI Hierarchy The below table is the hierarchy of the subsystem GUI. Quick installat

[28] Reboot and shutdown ÆReboot / Shutdown Logout Sure to logout? 3.2 Login The iSCSI RAID subsystem supports graphical user interfac

[29] 3.2.1 Language Before clicking the Login button, you can change the GUI language if needed. There are 4 options to select: English, Simplifie

[3] 3.5.1 Entity Property...

[30] 3.3 Quick Install It is easy to use “Quick install” to create a volume. It uses whole physical disks to create a RG. The system will calculat

[31] 3.4 System Configuration “System configuration” is designed for setting up the “System setting”, “IP address”, “Login setting”, “Mail setting

[32] 3.4.1 System Setting Select “System setting” to change system name and date. Default system name is the model name, e.g.: SB-1404-G1A3.

[33] 3.4.2 IP Address Select “IP address” to change IP address for remote administration usage. There are 2 options, DHCP (Get IP address from DHC

[34] 3.4.3 Login Setting Select “Login setting” to set single admin login, set the auto logout timing, and change admin or user password. The sin

[35] 3.4.4 Mail Setting Select “Mail setting” to enter at most 3 mail addresses for receiving event notifications. Some mail servers would check

[36] 3.4.5 Notification Setting You can use “Notification setting” to set up SNMP trap for sending alerts via SNMP, pop-up messages via Windows Me

[37] Using “Messenger”, user must enable the service “Messenger” in Windows (Start Æ Control Panel Æ Administrative Tools Æ Services Æ Messenger), an

[38] 3.5 iSCSI Config “iSCSI config” selection is for the setup of “Entity Property”, “NIC”, “Node”, “Session”, and “CHAP account”. 3.5.1

[39] 3.5.2 NIC Select “NIC” to change IP addresses of iSCSI data ports. There are two gigabit LAN ports to transmit data. Each of them must be ass

[4] Chapter 1 Introduction The iSCSI RAID Subsystem The iSCSI RAID subsystem is a 4-bay disk array based on hardware RAID configura

[40] 3.5.3 Node Select “Node” to view the target name for iSCSI node. Press “Authenticate” to enable CHAP authentication. CHAP is the abbreviatio

[41] 3.5.4 Session “Session” function can display iSCSI session and connection information, including the following items: 1. Host (Initiator Na

[42] 3.5.5 CHAP Account Enter “CHAP account” function to create a CHAP account for authentication. To setup CHAP account, please follow these st

[43] 3.6 Volume Configuration “Volume configuration” is designed for setting up the volume configuration which includes “Volume create wizard”, “P

[44] 3.6.1 Volume Create Wizard “Volume create wizard” has a smarter policy. When the system is inserted with some HDDs. “Volume create wizard” li

[45] Step 3: Decide VD size. User can enter a number less or equal to the default number. Then click “”. Step 4: Confirm page. Click “” if all setu

[46] 3.6.2 Physical Disk Enter “Physical disk” to view the status of hard drives inserted in the system. The following are operation tips: 1. Mo

[47] It’s done. View the “Physical disk” page. Physical disks of slots 1, 2, and 3 are used for RG named “QUICK37598”. Slot 4 is set as dedicated

[48] a global spare of all RGs. “RS” Æ ReServe. The hard drive contains the RG information but cannot be used. It may be caused by an uncompleted RG

[49] 3.6.3 RAID Group Enter “Volume group” to view the status of each volume group. The following is an example of how to create a RG: Step 1: C

[5] 1.1 Key Features ¾ Front-end 2 x 1Gigabit port full iSCSI offload ¾ Supports iSCSI jumbo frame ¾ Supports RAID levels 0, 1, 0+1, 3, 5, 6,

[50] RG column description: No. Number of RAID group. The button next to the No. shows the functions which can be executed. Name RAID group name. T

[51] RG operations description: Create Create a RAID group. Migrate Migrate a RAID group. Please refer to succeeding chapter for more detail. Activat

[52] 3.6.4 Virtual Disk Enter “Virtual disk” function to view the status of each user data volume. The following is an example of how to create

[53] Right “WT” Æ Write Through. “WB” Æ Write Back. “RO” Æ Read Only. Priority “HI” Æ HIgh priority. “MD” Æ MiD priority. “LO” Æ LOw priority. Bg ra

[54] UDV operations description: Extend Extend a Virtual disk capacity. Scrub Scrub a Virtual disk. It’s a parity regeneration function. It support

[55] 3.6.5 Logical Unit Enter “Logical unit” function to view the status of attached logical unit number of each VD. User can attach LUN by clic

[56] 3.6.6 Example The following is an example for creating volumes. Example 1 is to create two VDs and set a global spare disk. ¾ Example 1 Exa

[57] Step 2: Create VD (Virtual disk). To create a volume, please follow these steps: 1. Select “/ Volume configuration / Virtual disk”. 2. C

[58] Step 3: Attach LUN to VD. There are 2 methods to attach LUN to VD. 1. In “/ Volume configuration / Virtual disk”, move the mouse pointer to

[59] Step 4: Set global spare disk. To set a global spare disk, please follow the step. 1. Select “/ Volume configuration / Physical disk”. 2

[6] 1.2 Technical Specifications Form Factor： 1U 19-inch rackmount chassis RAID processor： Intel XScale IOP331 Instant RAID volume availabil

[60] Step 7: Delete VD (Virtual disk). To delete the Virtual disk, please follow the steps: 1. Select “/ Volume configuration / Virtual disk”. 2.

[61] 3.7 Enclosure Management “Enclosure management” function allows managing enclosure information including “SES config”, “Hardware monitor”, “S

[62] 3.7.1 SES Configuration SES represents SCSI Enclosure Services, one of the enclosure management standards. Use “SES config” function to enabl

[63] 3.7.2 Hardware Monitor Enter “Hardware monitor” function to view the information of current voltage, temperature, power supply, and fan statu

[64] 3.7.3 Hard Drive S.M.A.R.T. Function S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) is a diagnostic tool for hard drives to d

[65] 3.7.4 UPS Enter “UPS” function to set up UPS (Uninterruptible Power Supply). Currently, the system only support and communicate with smart

[66] 3.8 System Maintenance “Maintenance” allows the operation of system functions which include “System information” to show the system version,

[67] 3.8.2 Upgrade “Upgrade” can upgrade firmware. Please prepare new firmware file named “xxxx.bin” in local hard drive, then click “” to select

[68] 3.8.4 Config Import & Export Use “Import and export” function to import or export configuration. “Export” allows user to save system conf

[69] 3.8.5 Event Log Use “Event log” to view the system event messages. Check the INFO, WARNING, and ERROR checkboxes to choose the level of event

[7] 1.3 Terminology The document uses the following terms: RAID RAID is the abbreviation of “Redundant Array of Independent Disks”. There are di

[70] 3.8.6 Reboot and Shutdown “Reboot and shutdown” displays “Reboot” and “Shutdown” buttons. Before power off, it is better to execute “Shutdown

[71] Chapter 4 Advanced Operation 4.1 Rebuild If one physical disk of a Raid Group, which is set to a protected RAID level (e.g.: RAID 3 , RAID

[72] Sometimes, rebuild is called recover; these two have the same meaning. The following table is the relationship between RAID levels and rebuild.

[73] 4.2 RG Migration To migrate the RAID level, please follow below procedures. 1. Select “/ Volume configuration / RAID group”. 2. Move the

[74] 6. Migration starts and it can be seen from the “status” of a RG with “Migrating”. In “/ Volume configuration / Virtual disk”, it displays a

[75] 4.3 VD Extension To extend VD size, please follow the procedures. 1. Select “/ Volume configuration / Virtual disk”. 2. Move the mouse po

[76] 4.5 Disk Roaming Physical disks can be re-sequenced in the same system or move all physical disks from system-1 to system-2. This is called d

[77] Appendix A. Certification List RAM RAM Spec: 184pins, DDR333(PC2700), Reg.(register) or UB(Unbufferred), ECC or Non-ECC, from 64MB to 1GB, 32

[78] build-in iSCSI initiator iscsi-initiator-utils-4.0.3.0-4 in kernel 2.6.9 3. For Red Hat Enterprise Linux 5 (Kernel 2.6), use the build-in iSCSI

[79] Hard drive Vendor Model Hitachi Deskstar 7K250, HDS722580VLSA80, 80GB, 7200RPM, SATA, 8M Hitachi Deskstar E7K500, HDS725050KLA360, 500GB, 7

[8] DS Dedicated Spare disks. The spare disks are only used by one specific RG. Others could not use these dedicated spare disks for any rebuilding

[80] B. Event Notifications  PD events Level Type Description INFO Disk inserted Disk <slot> is inserted into system. WARNING Dis

[81] auto shutdown immediately. WARNING SMART T.E.C. Disk <slot> S.M.A.R.T. Threshold Exceed Condition occurred for attribute <item>. W

[82] started INFO VD migration finished VD <name> completes migration. ERROR VD migration failed Failed to complete migration of VD <name&

[83] imported. INFO RG restored Configuration of RG <name> has been restored. INFO VD restored Configuration of VD <name> has been re

[84] occurred <address> of JBOD <number> PD <slot>. WARNING PD write error occurred Write error occurred at LBA <address>-&

[85] D. Microsoft iSCSI Initiator Here are the steps to setup Microsoft iSCSI Initiator. Please visit Microsoft website for latest iSCSI initiator

[86] 4. Click “OK”. 5. Click “Targets”.

[87] 6. Click “Log On”. Check “Enable multi-path” if running MPIO. 7. Click “Advance” if CHAP information is needed. 8. Click “OK”. The s

[88] The following procedure is to log off iSCSI device. a. Click “Details”. b. Check the Identifier, which will be deleted. c. Click “Log of

[89] E. Installation Steps for Large Volume (Over 2TB) Introduction: The iSCSI RAID subsystem is capable of supporting large volumes (>2TB). Wh

[9] 1.4 RAID Concepts RAID Fundamentals The basic idea of RAID (Redundant Array of Independent Disks) is to combine multiple inexpensive disk driv

[90] Step 3: Initialize/Format/Mount the disk 1. Go to Start Æ Control Panel Æ Computer Management Æ Disk Management, it displays a new disk. 2.

[91] 4. Format the disk. 5. Done. 6. The new disk is ready to use, the available size = 2.72TB. WARNING: If user setups 512B block size

[92] 7. Wrong setting result: OS can not format disk sector after 2048GB(2TB). F. MPIO and MC/S Setup Instructions Here is the instructi

[93] The MPIO setup instructions are the following: 1. Create RG/VD, and then attach LUN. 2. Add the first “Target Portal” on Microsoft iSCSI ini