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Citrix XenServer expand local storage

Posted on 2010-09-24
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Last Modified: 2013-11-14
Hello,

I want to expand local storage of a citrix xenserver but I don't know how to expand it in the xenserver itself.

I added the disk to the server, expanded the array with 4 extra disks and expanded the logical drive from 2 to 3 TB. Now xenserver still recognizes 2TB and I need to expand it there ... I found one procedure but I would like some more info/experience from other users. detail: SCSI disks

thx

procedure found:

1.  Expand physical disk (add more RAID members, ect).  Use the procedure specific to your RAID card.

2.  Use fdisk to expand the partition your Local Storage resides on:

[root@vps1a ~]# pvscan
PV /dev/sda3 VG VG_XenStorage-4c69467e-0352-5bd4-3dee-e17cc18aee08 lvm2 [923.64 GB / 380.14 GB free]
Total: 1 [923.64 GB] / in use: 1 [923.64 GB] / in no VG: 0 [0 ]

Note the bold type to the left, /dev/sda3 is the partition we want to expand by deleting and re-adding to the maximum size in fdisk.  After you do this, you need to reboot so the OS will recognize the larger partition.  The bold type to the right is the UUID we need later.

3.  After rebooting, now we can expand the physical LVM volume:

pvresize /dev/sda3

4.  Now we tell XenServer that we increased the size, so you can actually use your extra space:

xe sr-scan uuid=4c69467e-0352-5bd4-3dee-e17cc18aee08

Note:  The UUID was discovered in step 2.

5.  All done!
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Question by:Cr0n0s
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allan_jardine earned 125 total points
ID: 33806040
Hi Paul
There is a similar query and solution here http://forums.citrix.com/message.jspa?messageID=1457609. This references this document http://support.citrix.com/article/ctx120865 which basically instructs you on how to unplug and plug the volume in Xenserver. While I have not done this on local storage but i do this frequently on my iSCSI storage.
Allan
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Author Closing Comment

by:Cr0n0s
ID: 33929535
very good info provided
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