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4711
May 3rd, 2004 19:00
Problem Adding Disk to RAID 5 on PE6450
I'm having trouble figuring out how to add a fourth disk to a three disk RAID 5 set on several Dell servers without loosing the operating system or data. I have the extra disk drives to use, but the more I've investigated the more confusing it has become.
These are Del PE6450 servers, running W2k Advanced Server, which were shipped from Dell in 2001. Their original disk configuration was RAID 5 using 3ea 18G HDs. Each server uses the following RAID controller and disks:
Del P/N 44TXF, PERC2-DC, PCI/S, Rev 1 controller
Dell P/N 85JUH, 18G Fujitsu hard drives, 3ea per server
The Dell CDs we received with the servers were the following:
Dell Openmanage Server Assistant CD ver 6.6, P/N 7F949 rev A00 July 2001
Dell Openmanage Applications CD ver 2.0.1, P/N 5E907 rev A00 June 2001
Dell Online Documentation CD Ver 2.0.1, P/N 6E258 rev A01 July 2001
When I consulted Dell's Knowledge Base, I found several documents posted on the subject. One described booting from the "Dell Server Assistant" CD, then running the "Dell Raid Array Configuration Utility" in the utilities section, and proceeding from there. When I tried this, my Openmanage Server Assistant didn't present the same items described, so I didn't proceed thinking that I didn't have the tool the document was referring to.
I found a second document indicating that I should use Dell's Flexible Array Storage Tool (FAST) version 2.6 or 2.7, I don't have this available. There was another document indicating that I could download the "FAST" tool from the Dell site, but I couldn't find it. I decided that before I proceed any further, that I would ask for help in this forum.
j_wock
Per_R.
157 Posts
0
May 3rd, 2004 20:00
Hi,
you should use the Dell OpenManage ArrayManager:
ftp://ftp.us.dell.com/sysman/rdm350.txt
ftp://ftp.us.dell.com/sysman/a350a02.exe
To Add Array Disks to a Virtual Disk Using Add Member
1.) Right-click a virtual disk.
2.) Click Add Member. A Virtual Disk Add Member dialog box appears. The available disks are listed in the left pane. You can choose appropriate ones to add by selecting them and using the Add Disk button to move them to the right pane.
3.) Choose the RAID level in the pull-down list Virtual Disk Type.
4.) Click OK to continue or Cancel to cancel the operation.
Add Member shows progress information in the right pane. To view the progress, click the parent of the virtual disk. The status of the virtual disk will be Reconstructing, and progress information will display until the Add Member operation is finished. At the end of the operation, the Type category shows the changed RAID level, if the RAID level was changed.
5.) Right-click the computer object in the Array Manager tree view and select Rescan. A rescan is required before the virtual disk can use the extra space. On a Windows system, you also need to reboot the system in order for Windows to have access to the additional storage.
Message Edited by Per_R. on 12-20-2005 12:43 AM