Sans Digital iSCSI STORAGE Instrukcja Użytkownika

iSCSI STORAGEDETAILED USER’S MANUAL v1.0

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

- 11 - Figure 2.2.1 The host side needs an iSCSI initiator. The initiator is a driver which handles the SCSI traffic over iSCSI.

- 12 - 2.3 Management methods There are three management methods to manage EliteRAID and TowerRAID iSCSI Series, describe in the following: 2.3.1

- 13 - 2.4 Enclosure Status 2.4.1 System buzzer The system buzzer features are listed below: 1. The system buzzer alarms 1 second when system

- 14 - Chapter 3 Web GUI guideline 3.1 Web GUI hierarchy The below table is the hierarchy of web GUI. Quick installation Æ Step 1 / Step 2 / Co

- 15 - 3.2 Login EliteRAID and TowerRAID iSCSI Series supports graphic user interface (GUI) to operate the system. Be sure to connect the LAN cable.

- 16 - 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 calcul

- 17 - 3.4 System configuration “System configuration” is designed for setting up the “System setting”, “IP address”, “Login setting”, “Mail setting

- 18 - 3.4.2 IP address “IP address” can change IP address for remote administration usage. There are 2 options, DHCP (Get IP address from DHCP serv

- 19 - Figure 3.4.3.1 Check “Change admin password” or “Change user password” to change admin or user password. The maximum length of password is 1

- 2 - Preface - About This Manual This manual is the introduction of Sans Digital EliteRAID Series and TowerRAID Series iSCSI and it aims to help use

- 20 - Figure 3.4.4.1 3.4.5 Notification setting “Notification setting” can set up SNMP trap for alerting via SNMP, pop-up message via Windows m

- 21 - Figure 3.4.5.1 “SNMP” allows up to 3 SNMP trap addresses. Default community setting is “public”. User can choose the event log levels and d

- 22 - There are some syslog server tools. The following web sites are for your reference: WinSyslog: http://www.winsyslog.com/ Kiwi Syslog Daemon: h

- 23 - Figure 3.5.2.2 (Figure 3.5.2.2: ER104I+(B), ER208I+(B), ER316I+B and TR8I-B, there are 2 iSCSI data ports. Each of them is set to static IP.)

- 24 - Trunking: defines the use of multiple iSCSI data ports in parallel to increase the link speed beyond the limits of any single port. LACP: The

- 25 - Figure 3.5.2.8 For example, LAN1 and LAN2 are set as Trunking mode. LAN3 and LAN4 are set as LACP mode. To remove Trunking / LACP setting, c

- 26 - 2. Select “CHAP”. Figure 3.5.3.4 3. Click “”. Figure 3.5.3.5 4. Go to “/ iSCSI configuration / CHAP account” page to create CHAP accou

- 27 - Figure 3.5.3.8 4. Go to “/ iSCSI configuration / CHAP account” page to create CHAP account. Please refer to next section for more detail. 5.

- 28 - Figure 3.5.5.3 3. Click “”. Figure 3.5.5.4 (Figure 3.5.5.4: ER104I+(B), ER208I+(B), ER316I+B and TR8I-B, create a CHAP account named “ch

- 29 - 1. Biggest capacity of RAID level for user to choose and, 2. The fewest disk number for RAID level / volume size. E.g., user chooses RAID

- 3 - Table of Contents Chapter 1 RAID introduction ...

- 30 - Step 3: Decide VD size. User can enter a number less or equal to the default number. Then click “”. Figure 3.6.1.3 Step 4: Confirm page. Cli

- 31 - Step 2: Maybe it has some RGs which can be set dedicate spare disk, select which one will be added, then click “”. Figure 3.6.2.2 Done. Vi

- 32 - “Missing” Æ the hard drive has already joined a RG but not plugged into the disk tray of current system. Health The health of hard drive. “Go

- 33 - Write cache options: “Enabled” Æ Enable disk write cache. “Disabled” Æ Disable disk write cache. Standby options: “Disabled” Æ Disable spindown

- 34 - Figure 3.6.3.2 (Figure 3.6.3.2: There is a RAID 0 with 4 physical disks, named “RG-R0”, total size is 135GB. Another is a RAID 5 with 3 physi

- 35 - “Good” Æ the RAID group is good. “Failed” Æ the hard drive is failed. “Degraded” Æ the RAID group is not completed. The reason could be lack of

- 36 - Figure 3.6.4.1 Step 2: Confirm page. Click “” if all setups are correct. Figure 3.6.4.2 (Figure 3.6.4.2: Create a VD named “VD-01”, relat

- 37 - functions which can be executed. Name Virtual disk name. Size(GB) Total capacity of the Virtual disk. Right “WT” Æ Write Through. “WB” Æ Writ

- 38 - Snapshot (MB) The Virtual disk size that used for snapshot. The number means “Used snapshot space” / “Total snapshot space”. The unit is in me

- 39 - Take snapshot Take a snapshot on the Virtual disk. Auto snapshot Set auto snapshot on the Virtual disk. List snapshot List all snapshot VD r

- 4 - 3.9 Logout...

- 40 - Step 4: Export the snapshot VD. Mouse moves to the gray button next to the Snapshot VD number; click “Export”. Enter a capacity for snapshot V

- 41 - Created time Snapshot VD created time. • Snapshot operations description: Export / Unexport Export / unexport the snapshot VD. Rollback Rol

- 42 - (Figure 3.6.6.2: ER104I+, ER208I+, and TR8I, VD-01 is attached to LUN 0 and every host can access. VD-02 is attached to LUN 1 and only initiato

- 43 - 5. Done. A RG has been created. 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 9

- 44 - 1. In “/ Volume configuration / Virtual disk”, mouse moves to the gray button next to the VD number; click “Attach LUN”. 2. In “/ Volume conf

- 45 - 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, please follo

- 46 - To delete the RAID group, please follow the procedures: 1. Select “/ Volume configuration / RAID group”. 2. Select a RG which is no VD relat

- 47 - 3.7.1 SES configuration SES represents SCSI Enclosure Services, one of the enclosure management standards. “SES configuration” can enable or

- 48 - For better protection and avoiding single short period of high temperature triggering auto shutdown, controllers use multiple condition judgme

- 49 - 3.7.4 UPS “UPS” can set up UPS (Uninterruptible Power Supply). Figure 3.7.4.1 Currently, the system only supports and communicates with sm

- 5 - Chapter 1 RAID introduction 1.1 Features Sans Digital EliteRAID and TowerRAID Series iSCSI storage is a high-performance RAID. • 4 bay solu

- 50 - “Maintenance” allows the operation of system functions which include “System information” to show the system version, “Upgrade” to the latest f

- 51 - 3.8.3 Reset to factory default “Reset to factory default” allows user to reset controller to factory default setting. Figure 3.8.3.1

- 52 - 3.8.5 Event log “Event log” can view the event messages. Check the checkbox of INFO, WARNING, and ERROR to choose the level of display event

- 53 - 3.9 Logout For security reason, “Logout” allows users logout when no user is operating the system. Re-login the system; please enter username

- 54 - Chapter 4 Advanced operation 4.1 Rebuild If one physical disk of the RG which is set as protected RAID level (e.g.: RAID 3, RAID 5, or RAID

- 55 - N-way mirror Extension to RAID 1 level. It has N copies of the disk. N-way mirror allows N-1 hard drives failure or unplugging. RAID 3 Stripi

- 56 - Figure 4.2.1 4. Double check the setting of RAID level and RAID PD slot. If there is no problem, click “ “. 5. Finally a confirmation page

- 57 - 4.3 VD Extension To extend VD size, please follow the procedures. 1. Select “/ Volume configuration / Virtual disk”. 2. Mouse moves t

- 58 - 4. Mouse moves to the gray button next to the RG number; click “Activate”. 5. Done. Disk roaming has some constraints as described in the fo

- 59 - Appendix A. Certification list • iSCSI Initiator (Software) OS Software/Release Number Microsoft Windows Microsoft iSCSI Software Initiat

- 6 - PD The Physical Disk belongs to the member disk of one specific RAID group. RD Raid Group. A collection of removable media. One RG consists of

- 60 - • GbE Switch Vendor Model Dell PowerConnect 5324 Dell PowerConnect 2724 Dell PowerConnect 2708 HP ProCurve 1800-24G B. Event notificatio

- 61 - ERROR Voltage critical System voltages <location> failed!!! ERROR Voltage critical shutdown System voltages <location> failed!!!

- 62 - INFO VD scrubbing started VD <name> starts scrubbing. INFO VD scrubbing finished VD <name> completes scrubbing. INFO RG migration

- 63 - WARNING Snapshot quota reached The quota assigned to snapshot <name> is reached. • iSCSI events Level Type Description INFO iSCSI

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

- 7 - DG DeGraded mode. Not all of the array’s member disks are functioning, but the array is able to respond to application read and write requests

- 8 - RAID 3 Striping with parity on the dedicated disk. RAID 3 needs at least three hard drives. RAID 5 Striping with interspersed parity over the

- 9 - Figure 1.4.1 This is the volume structure of Sans Digital designed. It describes the relationship of RAID components. One RG (RAID group)