Data Storage

MS iSCSI Software Target

Microsoft iSCSI Software Target 3.3 Configuration

This procedure is for Windows Server 2008 R2:

The Microsoft iSCSI Software Target 3.3 can only be installed on Windows Server 2008 R2 or latest Windows Server. It can not be install on previous Windows Servers like the initial release of Windows Server 2008.

Download the file iSCSITargetDLC.exe from Microsoft:
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=45105d7f-8c6c-4666-a305-c8189062a0d0

1. Install Microsoft iSCSI Software Target.

2. Configure Windows Firewall inbound filter rule.

3. Start Microsoft iSCSI Software Target:
Start -> All Program -> Administrator Tools -> Microsoft iSCSI Software Target

4. Create iSCSI Target:
- On the left panel under Microsoft iSCSI Software Target, Right Click on iSCSI Target and select “Create iSCSI target“.
- Follow the Wizzard, give the target a name and description.
- Next screen “Create initiator identifier“, enter the initiator IQN.
Or from the drop down menu, select IP address and enter the initiators ip address.

5. Create a Virtual Disk:
Note: Virtual Disk can not be created from a raw drive, disk have to be formatted.
- Right click the iSCSI target created on step 4 and select “Create a Virtual Disk for iSCSI Target”
- Follow the wizzard, Create a virtual disk by entering its path and name (example: D:\LUN0.vhd).
To make a 5GB RAMDisk LUN, enter RAMDISK:5120.vhd for the path.
- Enter its size in MB
- Virtual disk description
- Finish
 

6.From the Initiator Server, start the iSCSI Initiator:
Control Panel – > iSCSI Initiator
- On the Targets Tab, enter the ip address of the Target Server and click Quick Connect.

Dell EqualLogic CLI Configuration

This is a quick start Software Configuration of Dell EqualLogic PS6010 (Configuring it for the first time) using its Setup Utility (Interactive Command Line).

Need Serial Connection to Control Module and use Putty.
1. logged into the control module:
Username name and password: grpadmin / grpadmin

2. Interactive prompt:
would you like to configure the array now? Enter y.

3. Group Manager Setup Utility, enter yes to proceed.

Enter the network configuration for the array (steps 4 to 8):
Note: This is not the management network.
4. Member name: (Example: dell-equallogic-1)
5. Network inteface (10Gb): eth0
6. Ip address: x.x.x.x
7. Netmask
8. Default gateway (optional).

9. Configure Group name: (Example: dell-iscsi)
10. Group IP address: x.x.x.x

11. The Group name does not exitst so create a new group, enter yes to create new group and to use the settings from step 9 and 10.

12. Enter new password(s) for managing group membership and grpadmin.

Done with initial setup.

To Reset the Array to factory defaults, type reset in the command promt and then DeleteAllMyDataNow.

Set the Member RAID Policy:
At the Group Manager command prompt, enter:
member select member_name raid-policy policy
Example:
dell-iscsi> member select dell-equallogic-1 raid-policy raid10

Create a 500GB Volume:
volume create volume_name size(MB)
dell-iscsi> volume create dell-iscsi-vol01 500000

Create volume access control:
volume select volume_name access create access_control
access_control = initiator or ipaddress
Examples:
dell-iscsi> volume select dell-iscsi-vol01 access create initiator iqn.svr1.com
or
dell-iscsi> volume select dell-iscsi-vol01 access create ipadress x.x.x.x

Verify access control:
dell-iscsi> volume select dell-iscsi-vol01 show

Some Usefull commands:
dell-iscsi> show
dell-iscsi> show volume

To setup date and time:
dell-iscsi> grpparams date 05/10/11
dell-iscsi> grpparams timezone PST
dell-iscsi> grpparams time 17:45:00

Configuring a Dedicated Management Network:
1. Configure an IP address for eth2, which must be on a different subnet than the network interfaces for iSCSI traffic, and enable the interface for management-only.

To verify eth2
dell-iscsi> member select member_name eth show

member select member_name eth select 2 parameter …
Parameters:
ipaddress address |none
netmask mask_ip
mgmt-only enable
up | down
Example:
dell-iscsi> member select member_name eth select 2 ipaddress x.x.x.x netmask x.x.x.x
dell-iscsi> member select member_name eth select 2 up
dell-iscsi> member select member_name eth select 2 mgmt-only enable

To access Group Manager GUI, specify http://eth2_address in web browser.

2. (Optional) Add a default management gateway to the group. The management gateway applies to all the configured management interfaces.
dell-iscsi> grparams def-mgmt-gateway ipaddress|none

openSUSE software RAID configuration

How to configure software RAID in openSUSE 11.4 using YaST.

First Identify the HDDs you want to use in a RAID storage group.
# lsscsi

Lauch YaST
# yast

Note: If the HDD does not have a partition table, exit yast and run parted. Re-lauch YaST after using parted.
# parted /dev/sdc
(parted) mktable msdos
The above command will write a dos partition table.

System -> Partitioner

Create partitions
Select System VIew -> sdX # where sdX is the partition.
[Add...]
Select: (x) Primary Partition, Next
and then select partition size
Select: (x) Do not mount partition, Next …[Finish]

Tab to System -> Partitioner

System View -> RAID
Add RAID

Select RAID type
Select Available Devices
Add, Next

RAID Options
Select Chuck Size, default is 128KB
Next

Formatting Options
Format partition
Mount partition
Finish