can not create zen

ronald's picture
Submitted by ronald on Thu, 02/25/2010 - 08:46 Pro Licensee

hi while trying to create a xen guest I am getting this error

Creating virtual system with Xen .. .. creation failed : LVM logical volume creation failed : Insufficient free extents (0) in volume group VolGroup00: 63 required Rounding up size to full physical extent 1.97 GB

What should I do? I have 880GB free diskspace

Thank you

Status: 
Closed (fixed)

Comments

Submitted by JamieCameron on Thu, 02/25/2010 - 11:30

Looks like the LVM volume group on the host system is full. You can confirm this by logging into Webmin on the host system, then going to Hardware -> Logical Volume Management -> VolGroup00, and looking at the "Size allocated" field.

If it is full, the only solution is to add another physical disk to the volume group. Or to have Cloudmin create Xen instances using regular files rather than within LVM.

ronald's picture
Submitted by ronald on Thu, 02/25/2010 - 11:36 Pro Licensee

There is no Size allocated field. At the moment I switched to regular files, but would using LVM not be better??

Volume name LogVol00
Volume size 915.78 GB
Blocks allocated from volume group 29305 out of 29305
Allocation block size 32 MB
Device file /dev/VolGroup00/LogVol00
Current status Mounted on / as ext3
Volume access Read/write
Allocation method Non-contiguous
Volume striping Disabled (always allocate from start)
Free space 838.31 GB
Free percentage 94 %
Physical volumes allocated mapper/isw_dfhjhdjeac_Volume0p3 915.78 GB

ronald's picture
Submitted by ronald on Thu, 02/25/2010 - 11:42 Pro Licensee

I think I looked in the wrong field:
Size allocated 915.78 GB out of 915.78 GB

so the volume group has all GB of the drives.. I guess I have to stick to regular files.

Submitted by JamieCameron on Thu, 02/25/2010 - 11:47

Looks like your one LV fills up the whole volume group. This is the default setup for a CentOS install .. to change it, you need to select a small size for the root filesystem LV at install time.

So you could either re-install, or switch to using regular files. Resizing the root filesystem LV is impossible, unless you boot from a rescue disk or something..

Submitted by Issues on Thu, 03/11/2010 - 12:20

Automatically closed -- issue fixed for 2 weeks with no activity.