Addonics iSCSI Subsystem ISC8P2G-S User Manual

1.4 Volume relationship diagram Figure 1.4.1 This is the volume structure Addonics designed. It describes the relationship of RA

22. Check the option of Add support for iSCSI device and click on Add button. Figure F.21 23. The system will ask you to reboot to make the change

24. After reboot, log on the iSCSI target again. Under Disk Driver in Device Manager, notice that the Addonics iSCSI is now a Multi -Path Disk Device.

26. Click “Details”. Figure F.25 27. Click “Device” tab, then click “Advanced”. Figure F.26

28. The Device Details window opens Figure F.26 29. Click “MPIO” tab, select “Fail Over Only” to “Round Robin”. Figure F.27

30. Click “Apply”. Both connections Type now becomes Active. Figure F.28

The MC/S setup instructions is very similar to MPIO. Detailed steps are presented below. For the target side setting, the steps are exactly the same

9. Click Log On button. 10. Then click “Advanced…”. Figure F.2 11. Select Local Adapter, Source IP, and Target Portal to iSCSI data port 1 (192

12. After connected , click “Details”, then in the “Session” tab, click “Connections”. Figure F.4 13. Choose “Round Robin” for Load Balance Policy

14. “Add” Source Portal for the iSCSI data port 2(192.168.1.113) Figure F.6 Figure F.7

15. Click on the Advance button. Select Local adapter, Source IP, and Target Portal to iSCSI data port 2 (192.168.1.113). Then select “OK”. Click O

Chapter 2 Getting started 2.1 Before starting Before starting, prepare the following items. 1. Check the “Certification list” in Appendix A to c

E. QLogic QLA4010C setup instructions The following is the step -by-step setup of Q logic QLA4010C. 1. Log on the iSCSI HBA Manager and the curre

3. Disable “Immediate Data” and enable “Initial R2T”. Figure G.3 4. Click “OK”. Figure G.4

5. Click “Save settings” and click “Yes” on next page. Figure G.5 6. Click “Refresh” and find a new target with iSCSI name. Figure G.6

7. Check the parameters . “Initial R2T” are must be enabled. Figure G.7 8. Check “Target Information” again and the state change d to “Sessio

9. Then, run “Computer Management” in Windows. Make sure the disk appears. Figure G.9

G. Installation Steps for Large Volume (TB) Introduction: The ISC8P2G-S is capable of support ing large volumes (>2TB). When connecting controller

4. A RAID 6 VG is created. Figure H.4 5. Go to / Volume config / User data volume , create a UDV Figure H.5 6. Setup capacity, stripe height,

Figure H.7: (Figure H.7: choose “OK” for 64bit OS, choose “Cancel” for 32bit OS, this step will change block size to 4K automatically.) 7. A 2

9. Attach LUN. Figure H.11 Figure H.12 (Figure H.12: Left: P series; Right: S series attach LUN.)

Step B: configure your host/server 1. You need to setup software iscsi initiat or or iSCSI HBA first. 2. Below is the configuration for Windows

The iSCSI target is the storage dev ice itself or an appliance which controls and serves volumes or virtual volumes. The target is the device which

Figure H.14 (Figure H.14: go to “Targets” tab, click “Refresh”, and then “Log On…” the target.) Figure H.15 (Figure H.15: Status is “Connected”,

Step C: Initialize/Format/Mount the disk 1. Go to Start à Control Panel à Computer Management à Device Manger à Disk drives Figure H.16 (Figu

3. Initialize disk. Figure H.18 4. Convert to GPT disk for over 2TB capacity. For more detail information about GPT, please visit http://www.mic

6. Format disk is done. Figure H.21 7. The new disk is ready, available size = 2.72TB. Figure H.22 Caution If the user has set

8. Wrong setting result: OS cannot format area after 2048GB(2TB). Figure H.23

Open-iSCSI README: http://www.open-iscsi.org/docs/README Google groups: http://groups.google.com/group/open -iscsi/threads?gvc=2 http://groups.goog

2.3.2 Console serial port (Optional) Use NULL modem cable to connect console port. The console setting is baud rate: 115200, 8 bits, 1 stop bit,

Press “ENT”. The following are LCM functions: “Alarm Mute”, “Reset/Shutdown” , “Quick Install”, “View IP Setting”, “Change IP Config” and “Reset to

The following is LCM menu hierarchy. [Firmware Version x.x.x] [System Info.] [RAM Size xxx MB] [Alarm Mute] [•Yes No‚] [Reset]

2.4.2 System buzzer The system buzzer features ar e describe in the following: 1. The system buzzer alarms for 1 second when system boot

Chapter 3 Web GUI guideline 3.1 ISC8P2G-S Web GUI Hierarchy The table below shows the hierarchy of ISC8P2G-S Web GUI. Quick installation à Step

System information à System information Upgrade à Browse the firmware to upgrade / Export configuration Reset to default à Sure to reset to factory

Table of Contents Chapter 1 RAID introduction ... 4 1.1 Features ...

After login, you can choose the Quick installation function block on the left side of the window to do configuration. Figure 3.2.3 There are four

3.3 Quick Installation The “Quick installation” function is used to create a volume. The ISC8P2G-S Quick Install ation function has a smart policy.

Step 4: Confirm page. Click “ ” if all setups are correct. Then a VD will be created. Done. You can start to use the system now. Figure 3.3.2 (

3.4 System configuration “System configuration” is used for setting up the “System setting”, “IP address”, “Login setting”, “Mail setting”, and “Not

3.4.2 IP address “IP address” enables you to change the IP address for remote administration usage. There are 2 options, DHCP (Get IP address from

2. Login lock: Disable/Enable. When the login lock is enabled, the system allows only one user to login or modify system settings. Figure 3.4.3.1

3.4.4 Mail setting “Mail setting” Enter at most 3 mail addresses for receiving the ev ent notification. Some mail servers would check “Mail-from ad

3.4.5 Notification setting “Notification setting ” can set up SNMP trap for alerting via SNMP , pop-up message via Windows Messenger (not MSN) , ale

SNMPc: http://www.snmpc.com/ Net-SNMP: http://net-snmp.sourceforge.net/ Using “Messenger”, user must enabl e the service “Messenger” in Windows (St

3.5.1 Entity property “Entity property ” will enable you to view the entity name of the ISC8P2G-S, and setup “iSNS IP” for iSNS (Internet Storage N

3.6.6 Logical unit number ... Error! Bookmark not defined. 3.6.7 Examples... ...

Default gateway: Default gateway can be changed by m oving cursor to the gray button of the LAN port, click “Become default gateway ”. MTU / Jumbo

3.5.3 Node “Node” enables you to view the target name for iSCSI initiator. ISC8P2G-S supports single-node. The node name of ISC8P2G-S cannot be c

3.5.4 Session “Session” can display iSCSI session and connection information, including the following items: 1. Host (Initiator Name) 2. Error R

Figure 3.5.5.3 3. Click “ ”. Figure 3.5.5.4 (Figure 3.5.5.4: created a CHAP account named “chap1”.) 4. Click “Delete” to delete CHAP account.

3.6.1 Volume creation wizard The “Volume creation wizard ” has a smart policy. When the system is full , meaning all 8 HDD are connected , and all HD

Step 4: Confirm page. Click “ ” if all setups are correct. Then a VD will be created. Done. You can start to use the system now. Figure 3.3.2

Step 2: Select the RGs which you want this drive to be set as a dedicated spare disk, then click “ ”. Figure 3.6.2.2 Done. View “Physical disk”

Health The health of hard drive. “Good” à the hard drive is good. “Failed” à the hard drive failed. “Error Alert” à S.M.A.R.T. error alert. “Read E

Set Global spare Set the selected hard drive to global spare of all RGs. Set Dedicated spares Set hard drive to dedicated spare of selected RGs. Set

Step 2: Confirm page. Click “ ” if all setups are correct . Figure 3.6.3.2 (Figure 3.6.3.2: There is a RAID 0 with 4 physical disks, named “RG-R

Chapter 1 RAID Introduction 1.1 Features The Addonics ISC8P2G-S iSCSI subsystem is a high-performance hardware RAID controller. • 2 GbE NIC ports

“Migrate” à the RAID group is being migrated. “Scrub” à the RAID group is being scrubbed. Health The health of RAID group. “Good” à the RAID group i

3.6.4 Virtual disk “Virtual disk” allows you to view the status of each Virtual disk. The following is an example to create a VD. Step 1: Click

Done. View “Virtual disk” page. • VD column description: No. Number of this Virtual disk. The button next to the VD No. shows the functions whic

Health The health of Virtual disk. “Optimal” à the Virtual disk is operating and has experienced no disk failures that would compromise the RG. “Degra

Set property Change the VD name, access rights, priority and bg rate. Access Rights options: “WT” à Write Through. “WB” à Write Back. “RO” à Read Onl

3.6.5 Snapshot “Snapshot” allow you to view the status of snapshot. Refer to next chapter for more detail about snapshot concept. The following is a

Figure 3.6.5.2 (Figure 3.6.5.2: “VD-01” snapshot space has been created, snapshot space is 15360MB, and used 263MB for saving snapshot index.) Step

Figure 3.6.5.5 (Figure 3.6.5.5: This is the list of “VD-01”. There are two snapshots in “VD-01”. Snapshot VD “SnapVD-01” is exported to read only, “

• Snapshot operations description: Export Export the snapshot VD. Rollback Rollback the snapshot VD to the original. Delete Delete the snapshot VD

Figure 3.6.6.2 (Figure 3.6.6.2: ISC8P2G-S, QUICK87678 is attached to LUN 0 and every host can access. QUICK87678 is attached to LUN 1 and only initi

taken at target side and done by ISC8P2G-S. It will not con sume any host CPU. The snapshot copies can be taken manually or be scheduled every hour o

3.6.7 Example The following is an example for creating volumes. Example 1 is to create two VDs and set a global spare disk. • Example 1 Example 1

Figure 3.6.7.2 (Figure 3.6.7.2: Creating a RAID 5 with 3 physical disks, named “RG-R5”. The total size is 148GB. Because there is no related VD, fr

Figure 3.6.7.4 (Figure 3.6.7.4: Create VDs named “VD-R5-1” and “VD-R5-2”. Regarding to “RG-R5”, the size of “VD-R5-1” is 100GB, the size of “VD-R5-2

Figure 3.6.7.6 (Figure 3.5.8.6: VD-R5-1 is attached to LUN 0. VD-R5-2 is attached LUN 1.) Step 4: Set global spare disk. To set global s

Figure 3.6.7.7 (Figure 3.5.8.7: Slot 4 is set as global spare disk.) Step 5: Done. They can be used as disks. Delete VDs, RG, follow the steps

Step 8: Delete RG (RAID group). To delete the RAID group, follow the steps below: 1. Select “/ Volume config uration / RAID group” . 2. Select a

3.7 Enclosure management The “Enclosure management” function allows managing the encl osure information including “SES config”, “Hardware monitor”

3.7.2 Hardware monitor Select “Hardware monitor” function to view informa tion on current voltage and temperature. Figure 3.7.2.1 If “Auto shutdow

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

3.7.4 UPS Select “UPS” function. It will set UPS (Uninterruptible Power Supply) parameters. Figure 3.7.4.1 Currently, the system only support s

1.2 Terminology The document uses the following terms: RAID RAID is the abbreviation of “Redundant Array of Independent Disks”. There are differ

Status The status of UPS. “Detecting…” “Running” “Unable to detect UPS ” “Communication lost ” “UPS reboot in progress ” “UPS shutdown in progress ” “

3.8 System maintenance “Maintenance” allows the operation of system functions which include “System information” to show the system version, “Upgr

3.8.2 Upgrade “Upgrade” allow you to upgrade the firmware. Prepare new firmware file named “xxxx.bin” in local hard drive, then click “ ” to select

Default gateway: 192.168.10.254 3.8.4 Import and export “Import and export” allows user to save system configuration values. Figure 3.8.4.1 1

Figure 3.8.5.1 The event log is displayed in reverse order which means the latest event log is on the first page. The event logs are actually sav

Chapter 4 Advanced operation 4.1 Rebuild If one of the physical disk o n the VG which was set to a protected RAID level (e.g.: RAID 3, RAID 5, or

When rebuilding, the status of PD/VG/UDV is “R”; and “R%” in UDV will display the ratio in percentage. After complete rebuilding, “R” and “DG” will

RAID 30 Striping over the members of the RAID 3 volumes . RAID 30 allows two hard drives to fail or gets unplugged, but they need to be part of diff

5. Finally a confirmation page shows the detail of RAID info rmation. If there is no problem, click “ “ to start migration. System also pops up a mes

4.3 VD Extension To extend VD size, follow the steps below. 1. Select “/ Volume config uration / Virtual disk”. 2. Move cursor to the gr ay butt

3. One RAID 10 volume over 3 4 -disk RAID 1 volume: RAID width=1; RAID copy=4; RAID row=3. WT Write-Through cache write policy. A caching technique

4.4 Snapshot (QSnap) / Rollback Snapshot-on-the-box (QSnap) captures the instant state of data in the target volume in a logical sense. The underlyi

4.4.1 Create snapshot volume To take a snapshot of the data, follow the steps below. 1. Select “/ Volume config uration / Virtual disk”. 2. Mo

Figure 4.4.1.1 (Figure 4.4.1.1: This is Snap VD, but it is not exported.) 7. Move cursor to the gray button next to the Snapshot V D number; clic

Snapshot has some constraints: 1. Minimum RAM size of enabling snapshot is 512MB. 2. For performance and future rollback, system saves snapshot w

4.4.3 Rollback The data in snapshot VD can be roll back to original VD. Follow the steps below. 1. Select “/ Volume configuration / Snaps

4.5 Disk roaming Physical disks can be re -sequenced in the same system or all physical disks be moved from ISC8P2G -S system-1 to system-2. This is

4.6 Support Microsoft MPIO and MC/S MPIO (Multi-Path Input/Output) and MC/S (Multiple Connections per Session) use multiple physical paths to creat

Appendix A. Certification list • RAM ISC8P2G-S RAM Spec: 184pins, DDR333(PC2700), Reg.(register) or UB(Unbufferred), ECC or Non-ECC, from 64MB to

• iSCSI HBA card Vendor Model Adaptec ASC-7211C (PCI-X, Gigabit, 1 port, TCP/IP offload, iSCSI offload) HP NC380T (PCI-Express, Gigabit, 2 por

• Hard drive ISC8P2G-S support SATA I, II disks. Vendor Model Hitachi Deskstar 7K250, HDS722580VLSA80, 80GB, 7200RPM, SATA, 8M Hitachi Desksta

MC/S Multiple Connections per Session S.E.S SCSI Enclosure Services. SAF-TE SCSI Accessed Fault-Tolerant Enclosures. NIC Network Interface Card. i

B. Event notifications • PD/S.M.A.R.T. events Level Type Description Info Disk inserted Info: Disk <slot> is inserted. Info Disk remo

• SES events Level Type Description Info SES load conf. OK Info: SES configuration has been loaded. Warning SES Load Conf. Failure Error: Fail

Error UPS power low Error: UPS Power Low!!! The system will do the auto shutdown immediately. Info Mgmt Lan Port Active Info: Management LAN Port is

Warning UDV Detached Fail Warning: Fail to detach LUN from Bus <number> SCSI_ID <number> LUN <number>. Info UDV_OP Rebuild Started

Info UDV stripe rewrite start/fail/succeed Info: UDV <name> stripe <#> rewrite column bitmap <BITMAP> <started | failed | finishe

3. Click “Add”. Input IP address or DNS name of ISC8P2G. Please see Figure D.2. Figure D.2 4. Click “OK”. Please see Figure D.3. Figure D.3

5. Click “Targets”. Please see Figure D.4. Figure D.4 6. Click “Log On”. Please see Figure D.5. Check “Enable multi-path” if running MPIO. Fig

7. Click “Advance…” if CHAP information is needed. Please see Figure D.6. Figure D.6 8. Click “OK”. The status would b e “Connected”. Please see

The following steps shows how to log off iSCSI drive. 1. Click “Details”. Please see Figure D.8. Figure D.8 2. Check the Identifier, which will

E. MPIO and MC/S setup instructions Here is the step-by-step procedure to setup MPIO. There are 2 kinds of scenarios for MPIO. Please see Figure F.1.

RAID 0+1 Mirroring of the member RAID 0 volumes. RAID 0+1 needs at least four hard drives. RAID 10 Striping over the member RAID 1 volumes. RAID 10

Below are the setup instructions. Microsoft MPIO is NOT supported on Windows XP or Windows 2000 Professional. Workaround solution: Using Windows S

3. Run Microsoft iSCSI initiator and check the Initiator Node Name. Figure F.4 4. Attached LUN to R5 UDV. Input the Initiator Node Name in Host

5. The volume config setting is done . Figure F.6 6. Check iSCSI settings. The IP address of iSCSI data port 1 is 192.168.1.113, port 2 is 19

8. Input the IP address of iSCSI data port 1 (192.168.1.112 as mentioned in previous page). Figure F.9 9. Add second Target Portals on Microsoft i

10. Input the IP address of iSCSI data port 2 (192.168.1.113 as mentioned in previous page). Figure F.11 11. The initiator setting is d one. Figu

12. Log on. Figure F.13 13. Enable “Enable multi-path” checkbox. Then click “Advanced”. Figure F.14

14. Select Target Portal to iSCSI data port 1 (192.168.1.112). Then click “OK” Figure F.15 15. Log on “Enable multi-path” again. Figure F.16

16. Enable “Enable multi-path” checkbox. Then click “Advanced…”. Figure F.17 17. Select Target Portal to iSCSI data port 2 (192.168.1.113). Then s

18. The iSCSI drive is connected. 19. After the MPIO feature has been enabled, configure MPIO through the tool in Administrative Tools.

20. The MPIO Properties window opens. Figure F.19 21. Click on the Discover Multi -Paths tab. Figure F.20