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xen-users
Re: [Xen-users] VM and VDI deleted, but Space on Storage still used
Hallo Mike,
> You shouldn't delete LVs yourself. There isn't a one-to-one mapping of VHDs
> to LVs, and the data may be spread between several LVs. Please refer to this
> document first: http://support.citrix.com/article/CTX122978
>
> If this doesn't explain your situation, please come back and let us know.
> It's not inconceivable that you've found a bug ;)
Okay, but I think that the document does not explain my situation. The
situation is the following:
New Xen-Servers for XenPool and two new Hardware HBAs (EonStore). Today I
created a VirtualMachine on a new and completely unused HBA. After VM creation
on the Storage 8GB is used. Okay, that is the size of the disk.
During machine uptime lvscan show the following situation:
[root@xen0 ~]# lvscan
inactive
'/dev/VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3/MGT' [4.00 MB] inherit
inactive
'/dev/VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3/VHD-c54e79b3-2214-46d1-b2a1-6ff313f31c45'
[8.02 GB] inherit
ACTIVE
'/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-2b2d7602-cd6b-4cbd-8c04-c714281964d5'
[8.02 GB] inherit
After shutdown the VM lvscan show the following situation:
[root@xen0 ~]# lvscan
inactive
'/dev/VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3/MGT' [4.00 MB] inherit
inactive
'/dev/VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3/VHD-c54e79b3-2214-46d1-b2a1-6ff313f31c45'
[8.02 GB] inherit
ACTIVE
'/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-2b2d7602-cd6b-4cbd-8c04-c714281964d5'
[8.02 GB] inherit
I deleted via Windows XenCentre the VM and the Disk. But LVSCAN shows me, that
the LVs still exists:
[root@xen0 ~]# lvscan
inactive
'/dev/VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3/MGT' [4.00 MB] inherit
inactive
'/dev/VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3/VHD-c54e79b3-2214-46d1-b2a1-6ff313f31c45'
[8.02 GB] inherit
ACTIVE
'/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-2b2d7602-cd6b-4cbd-8c04-c714281964d5'
[8.02 GB] inherit
vgdisplay and the xenCentre show me, that 8GB is used on the storage. But I
deleted the disk, the checkbox was marked.
[root@xen0 ~]# vgdisplay VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3
--- Volume group ---
VG Name VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 8
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 2.73 TB
PE Size 4.00 MB
Total PE 715204
Alloc PE / Size 2055 / 8.03 GB
Free PE / Size 713149 / 2.72 TB
VG UUID 2sRGtQ-gQFk-lmDG-yIln-8S1U-VZUW-YLjJbJ
I do not understand, why after VM deleting the space is still used and not be
freed. It is still in use on the storage...
Can you help me?
Thanks and Regards
Tobi
--
Tobias Matthaeus
Technik tm@xxxxxxxxxxxx
Carmunity.com GmbH http://www.carmunity.de
Mary-Astell-Str. 2 T: +49-421-6265 130
28359 Bremen F: +49-421-6265 100
Deutschland
Handelsregisternummer:
HRB 19256 beim AG Bremen
Geschäftsführer:
Stefan Kathmeyer
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