D-Link DSN-6120 User Manual

1 D-Link iSCSI IP SAN storage GbE iSCSI to SATA II / SAS RAID IP SAN storage DSN-6110 & DSN-6120 User Manual Version 1.0

10MPIO Multi-Path Input/Output. MC/S Multiple Connections per Session MTU Maximum Transmission Unit. CHAP Challenge Handshake Authentication Prot

1003. If user installs anyone of Windows XP, Windows Vista or Windows 7, MC/S is the only option since Microsoft MPIO is supported Windows Server e

101A. This is a simple SAN environment. There is only one switch to connect the server and storage. And there is no extra server to be added in the

102 Figure 5.10.1.1 5.10.2 Ownership When creating RG, it will be assigned with a prefered owner, the default owner is controller 1. To change t

103 Figure 5.10.2.2 (Figure 5.10.2.2: The RG ownership is changed to the other controller.) 5.10.3 Controller status There are four statuses de

1045.11 Replication Replication function will help users to replicate data easily through LAN or WAN from one IP SAN storage to another. The proc

105 Figure 5.11.2 3. If you want the replication port to be on special VLAN section, you may assign VLAN ID to the replication port. The setting w

106 Figure 5.11.5  Create replication job on the source IP SAN storage 1. Click “Create” to create a new replication job. Figure 5.11.6 2. S

107 Tips If the message displays that there is not enough space for creation, please refer to the section of Configure the snapshot space below for

108 5. Choose the backup VD and click “Next”. Figure 5.11.10 6. A new replication job is created and listed on the Replication page. Figure 5

109 Figure 5.11.13 3. User can monitor the replication job from the “Status” information and the progress is expressed by percentage. Figure 5

11RAID 30 Striping over the member RAID 3 volumes. RAID 30 needs at least six hard drives. RAID 50 Striping over the member RAID 5 volumes. RAID 50

110 Figure 5.11.16 3. Select the iSCSI node to log on and click “Next”. Figure 5.11.17 4. Choose the same target VD and click “Next”.

111 Figure 5.11.18 5. A new target will be added in this replication job as a redundancy path. Figure 5.11.19  Configure the replication job t

1122. The replication job can be scheduled to run by day, by week or by month. The execution time can be configurable per user’s need. Figure 5.1

113 There are three settings in the Replication configuration menu, The Snapshot space specifies the ratio of snapshot space allocated to the sou

1145.12 VLAN VLAN (Virtual Local Area Network) is a logical grouping mechanism implemented on switch device using software rather than a hardware

115 4. VLAN ID 66 for LAN2 is set properly. Figure 5.12.3  Assign VLAN ID to LAG(Trunking or LACP) 1. After creating LAG, press “OP” button ne

1163. If iSCSI ports are assigned with VLAN ID before creating aggregation takes place, aggregation will remove VLAN ID. You need to repeat step 1

117Chapter 6 Troubleshooting 6.1 System buzzer The system buzzer features are listed below: 1. The system buzzer alarms 1 second when system b

118ERROR SATA PRD mem fail Failed to init SATA PRD memory manager ERROR SATA revision id fail Failed to get SATA revision id ERROR SATA set reg

119 RMS events Level Type Description INFO Console Login <username> login from <IP or serial console> via Console UI INFO Con

12IP SANs are true SANs (Storage Area Networks) which allow several servers to attach to an infinite number of storage volumes by using iSCSI over T

120INFO BBM status good Battery backup module is good INFO BBM status charging Battery backup module is charging WARNING BBM status fail Batter

121INFO Volt recovery Voltage of <string> in JBOD <string> is NORMAL WARNING Therm warn OT Temperature of <string> read as <

122ERROR CTR memory NG Memory size mismatch ERROR CTR firmware NG Firmware version mismatch ERROR CTR lowspeed NG Low speed inter link is down

123Appendix A. Certification list  iSCSI Initiator (Software) OS Software/Release Number Microsoft Windows Microsoft iSCSI Software Initiator

124Dell PowerConnect 2724 Dell PowerConnect 2708 HP ProCurve 1800-24G Netgear GS724T ZyXEL GS2200  Hard drive SAS drives are recommanded on dual c

125K2A0AD1A) Hitachi Deskstar E7K1000, HDE721010SLA330, 1TB, 7200RPM, SATA 3.0Gb/s, 32MB, NCQ (F/W: ST60A3AA) Hitachi UltraStar A7K2000, HUA722020A

126B. Microsoft iSCSI initiator Here is the step by step to setup Microsoft iSCSI Initiator. Please visit Microsoft website for latest iSCSI initia

127 Figure B.2 Figure B.3 4. It can connect to an iSCSI disk now.  MPIO 5. If run

128 Figure B.4 Figure B.5 8. Click “OK”. Figure B.6

129 9. Click “Targets” tab, select the second path, and then click “Connect”. 10. Enable “Enable multi-path” checkbox. Then click “OK”. 11. Done,

13http://www.microsoft.com/downloads/details.aspx?FamilyID=12cb3c1a-15d6-4585-b385-befd1319f825&DisplayLang=en 2. In current Linux distributio

130 Figure B.10 Figure B.11 17. Select Initiator IP and Target portal IP, and then cli

131 Disconnect 21. Select the target name, click “Disconnect”, and then click “Yes”. Figure B.14 22. Done, the iSCSI device disconnect succes

132C. From single controller to dual controllers This SOP applies to upgrading from DSN-6110 to DSN6120 as well as from DSN-6410 to DSN-6420. Befor

133Please follow the steps below to upgrade to dual controller mode. Step 1 Go to “Maintenance\System”. Copy the IP SAN storage serial number. St

134Step 3 Click “confirm”. The system will ask you to shutdown. Please shutdown IP SAN storage. Click Ok.

135Go to “Maintenance\Reboot and shutdown”. Click “Shutdown” to shutdown the system. Click Ok. Step 4 Power off DNS-6110 or DSN-6410. Insert the

148. Front-end 4 GbE NIC ports with high availability/load balancing/fail-over support per controller  Microsoft MPIO, MC/S, Trunking, LACP, and

15 Enclosure monitoring 1. S.E.S. inband management 2. UPS management via dedicated serial port 3. Fan speed monitors 4. Redundant power suppl

16 Drive support 1. SAS 2. SATA II (optional, need SATA Bridge board) 3. SCSI-3 compliant 4. Multiple IO transaction processing 5. Tagged com

17 A. Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment

18Chapter 2 Installation 2.1 Package contents The package contains the following items: 1. DSN-6110/6120 IP SAN storage (x1) 2. HDD trays (x12

19The drives can be installed into any slot in the enclosure. Slot numbering will be reflected in web UI. Tips It is advisable to install at least

2Preface Copyright Copyright@2011, D-Link Corporation. All rights reserved. No part of this manual may be reproduced or transmitted without writte

202.3.3 Install drives Note : Skip this section if you purchased a solution populated with drives. To install SAS or SATA drives with no Bridge B

21 Figure 2.2.3.3  HDD tray description:  HDD power LED:  Green  HDD is inserted and good.  Off  No HDD.  HDD access LED:  Blue blin

22 Controller 1.  Power supply unit (PSU2).  Fan module (FAN3 / FAN4).  Power supply unit (PSU1).  Fan module (FAN1 / FAN2). Figure 2.3.4.2 (

23  Connector, LED and button description:  Gigabit ports (x4).  LED (from left to right) Controller Health LED:  Green  Controller status no

24 1. Shutdown IP SAN storage, then power off. 2. Remove the cover of battery backup module. 3. Insert the battery backup module. Figure 2.4.1

252.5 Deployment Please refer to the following topology and have all the connections ready. Figure 2.5.1 (DSN-6120) Figure 2.5.2 (DSN-6110) 1

264. Host server is suggested to logon the target twice (both controller 1 and controller 2), and then MPIO should be setup automatically. (only fo

27Chapter 3 Quick setup 3.1 Management interfaces There are three management methods to manage D-Link IP SAN storage, describe in the following:

28 Figure 3.1.4.1 User name: admin Default password: 123456 After login, choose the functions which lists on the left side of window to make any c

29 Temperature light:  Green  Temperature is normal.  Red  Temperature is abnormal. Voltage light:  Green  voltage is normal.  Red  vol

3Table of Contents Chapter 1 Overview... 61.1 Features...

303.2 How to use the system quickly The following methods will describe the quick guide to use this IP SAN storage. 3.2.1 Quick installation Pl

31 Step2: Confirm the management port IP address and DNS, and then click “Next”. Figure 3.2.1.3 Step 3: Set up the data port IP and click “Next”.

32 Figure 3.2.1.5 Step 5: Check all items, and click “Finish”. Figure 3.2.1.6 3.2.2 Volume creation wizard “Volume create wizard” has a smar

33different sizes of HDDs, e.g., 8*200G and 8*80G, it lists all possibilities and combination in different RAID level and different sizes. After use

34 Figure 3.2.2.2 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:

35Chapter 4 Configuration 4.1 Web UI management interface hierarchy The below table is the hierarchy of web GUI. System configuration System

36 Upgrade  Browse the firmware to upgrade Firmware synchronization  Synchronize the slave controller’s firmware version with the master’s Rese

37Check “Change date and time” to set up the current date, time, and time zone before using or synchronize time from NTP (Network Time Protocol) ser

38 Figure 4.2.3.1 Check “Change admin password” or “Change user password” to change admin or user password. The maximum length of password is 12 ch

39 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 messe

44.4.1 Physical disk...494.4.2 RAID group

40 Figure 4.2.5.1 “SNMP” allows up to 3 SNMP trap addresses. Default community setting is “public”. User can choose the event log levels and defaul

41Most UNIX systems build in syslog daemon. “Event log filter” setting can enable event log display on “Pop up events”. 4.3 iSCSI configuration

42 Figure 4.3.1.2  Default gateway: Default gateway can be changed by checking the gray button of LAN port, click “Become default gateway”. There

43LACP packets to the peer. The advantages of LACP are (1) increases the bandwidth. (2) failover when link status fails on a port. Trunking / LACP

44 Figure 4.3.1.5 (Figure 4.3.1.5 shows a user can ping host from the target to make sure the data port connection is well.) 4.3.2 Entity proper

45 Figure 4.3.3.1  CHAP: CHAP is the abbreviation of Challenge Handshake Authentication Protocol. CHAP is a strong authentication method used in

46 Figure 4.3.3.3 5. Go to “/ iSCSI configuration / CHAP account” page to create CHAP account. Please refer to next section for more detail. 6. C

47 Rename alias: User can create an alias to one device node. 1. Check the gray button of “OP.” column next to one device node. 2. Select “Rena

48 Figure 4.3.4.1 (iSCSI Session) Check the gray button of session number, click “List connection”. It can list all connection(s) of the session.

49 3. Click “OK”. Figure 4.3.5.2 4. Click “Delete” to delete CHAP account. 4.4 Volume configuration “Volume configuration” is designed for s

56.2 Event notifications ...117A. Certification list...

50 Figure 4.4.1.1 Step 2: If there is any RG which is in protected RAID level and can be set with dedicate spare disk, select one RG, and then cli

51 Figure 4.4.1.4  PD column description: Slot The position of a hard drive. The button next to the number of slot shows the functions which can

52RAID group.  “Free disk”  This hard drive is free for use.  “Dedicated spare”  This hard drive has been set as dedicated spare of a RG. 

53the indication LED off. More information Show hard drive detail information. 4.4.2 RAID group “RAID group” can view the status of each RAID gr

54 Figure 4.4.2.2 (Figure 4.4.2.2: There is a RAID 0 with 4 physical disks, named “RG-R0”. The second RAID group is a RAID 5 with 3 physical disks,

55 “Failed”  the RAID group fails.  “Degraded”  the RAID group is not healthy and not completed. The reason could be lack of disk(s) or have

56Command queuing: “Enabled”  Enable disk command queue. (Default) “Disabled”  Disable disk command queue. More information Show RAID group detail

57 Step 2: Confirm page. Click “OK” if all setups are correct. Figure 4.4.3.2 (Figure 4.4.3.2: Create a VD named “VD-01”, from “RG-R0”.) Step 3:

58number the background priority of a VD is, the more background I/O will be scheduled to execute. Status The status of virtual disk:  “Online” 

59The unit can be displayed in GB or MB. #Snapshot Number of snapshot(s) that have been taken. RG name The RG name of the virtual disk  VD opera

6Chapter 1 Overview 1.1 Features D-Link DSN-6000 series IP SAN storage provides non-stop service with a high degree of fault tolerance by using D

60editing.  “Disabled”  Disable AV-media mode. (Default) Type:  “RAID”  the virtual disk is normal. (Default)  “Backup”  the virtual disk i

614.4.4 Snapshot “Snapshot” can view the status of snapshot, create, and modify snapshots. Please refer to next chapter for more detail about snap

62 Figure 4.4.4.4 Figure 4.4.4.5 (Figure 4.4.4.5: This is the snapshot list of “VD-01”. There are two snapshots. Snapshot VD “SnapVD-01” is expos

63 “Good”  The snapshot is good.  “Failed”  The snapshot fails. Exposure Snapshot VD is exposed or not. Right The right of snapshot:  “Re

64 Figure 4.4.5.1 Figure 4.4.5.2  LUN operation description: Attach Attach a logical unit number to a virtual disk. Detach Detach a logical

65 4.4.6 Example The following is an example to create volumes. This example is to create two VDs and set a global spare disk.  Example This ex

66Step 2: Create VD (Virtual Disk). To create a data user volume, please follow the procedures. Figure 4.4.6.3 1. Select “/ Volume configuratio

672. In “/ Volume configuration / Logical unit”, click “Attach”. The procedures are as follows: Figure 4.4.6.5 1. Select a VD. 2. Input “Host

68 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 6:

69Step 8: Delete a RG (RAID group). To delete a RAID group, please follow the procedures: 1. Select “/ Volume configuration / RAID group”. 2. Se

71.1.1 Highlights  D-Link DSN-6110/6120 feature highlights Host Interface 8 x iSCSI GbE ports (DSN-6120) 4 x iSCSI GbE ports (DSN-6110) Drive In

70 4.5.1 Hardware monitor “Hardware monitor” can view the information of current voltages and temperatures.

71Figure 4.5.1.1 If “Auto shutdown” is checked, the system will shutdown automatically when voltage or temperature is out of the normal range. For

72First, connect the system and APC UPS via RS-232 for communication. Then set up the shutdown values (shutdown battery level %) when power is faile

73 “UPS shutdown in progress”  “Batteries failed. Please change them NOW!” Battery Level (%) Current power percentage of battery level. 4.5.3

74S.M.A.R.T. only supports SATA drives. SAS drives do not have this function now. It will show N/A in the web page for SAS drives. Figure 4.5.4.1

75  Status description: Normal Dual controllers are in normal stage. Degraded One controller fails or has been plugged out. Lockdown The firmwa

76 Figure 4.6.2.1 The event log is displayed in reverse order which means the latest event log is on the first / top page. The event logs are act

77 4.6.3 Upgrade “Upgrade” can upgrade firmware. Please prepare new firmware file named “xxxx.bin” in local hard drive, then click “Browse” to sel

784.6.5 Reset to factory default “Reset to factory default” allows user to reset IP SAN storage to factory default setting. Figure 4.6.5.1 Rese

794.6.7 Reboot and shutdown “Reboot and shutdown” can “Reboot” and “Shutdown” the system. Before power off, it’s better to execute “Shutdown” to f

8 1.2 RAID concepts RAID is the abbreviation of “Redundant Array of Independent Disks”. The basic idea of RAID is to combine multiple drives togeth

80Chapter 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, or

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

825.2 RG migration To migrate the RAID level, please follow below procedures. 1. Select “/ Volume configuration / RAID group”. 2. Check the gra

83To do migration, the total size of RG must be larger or equal to the original RG. It does not allow expanding the same RAID level with the same ha

84 Figure 5.3.2 Tips The size of VD extension must be larger than original. Caution VD Extension cannot be executed during rebuilding or migra

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

86 1. There are two methods to clean all snapshots. In “/ Volume configuration / Virtual disk”, check the gray button next to the VD number; click

875.4.3 Rollback The data in snapshot VD can rollback to original VD. Please follow the procedures. 1. Select “/ Volume configuration / Snapshot

88 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 disk

89For example, there are two or more snapshots existed on a VD and the latest snapshot keeps growing. When it comes to the moment that the snapshot

9both data cache and accessed physical disks. WB Write-Back cache-write policy. A caching technique in which the completion of a write request is si

905.6 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 rules.

91 3. Here are the objects, a Source VD and a Target VD. Before starting clone process, it needs to deploy the VD Clone rule first. Click “Configur

92 Figure 5.6.5 The threshold setting will monitor the usage amount of snapshot space. When the used snapshot space achieves its threshold, system

93 Figure 5.6.7 6. Select the target VD. Then click “Confirm”. Figure 5.6.8 7. Now, the clone target “TargetVD_R6” has been set. Figure 5.6.

94 Figure 5.6.10 9. The default setting will create a snapshot space automatically which the capacity is double size of the VD space. Before star

95 Figure 5.6.13 12. There are “Set Clone schedule” and “Clear Clone schedule” in this page. Please remember that “Threshold” and “Restart the tas

96the clone process. Each time the clone snapshot failed, it means that the system loses the reference value of incremental data. So it will start a

97 5.7 SAS JBOD expansion 5.7.1 Connecting JBOD D-LINK DSN-6000 series support up to 4 additional SAS/SATA JBODs for capacity expansion. When

98 Figure 5.7.2.1 2 Choose a JBOD which wants to upgrade. 3 Please prepare new firmware file in local hard drive, then click “Browse” to select t

99 2. MC/S: MC/S (Multiple Connections per Session) is a feature of iSCSI protocol, which allows combining several connections inside a single sess