Tobias Matthaeus
2011-May-24 14:29 UTC
[Xen-users] VM and VDI deleted, but Space on Storage still used
Hello everyone, I deleted a VM and the assigned VDI. But the space on the SR is still used. It seems, that xenserver delete the VDI but not delete the LVM. The command "lvscan" show me the existings LVMs and there is the LVM from the deleted VDI. Is this a bug? I know, I can remove it with lvremove. But is it okay, that the storage place will not be freed automaticly? [root@xen0 log]# lvscan inactive ''/dev/VG_XenStorage-c3a768e5-8461-884e-bc2d-dc6584b648c3/MGT'' [4.00 MB] inherit inactive ''/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/MGT'' [4.00 MB] inherit inactive ''/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-b24f0e7d-2577-4cbd-a5c4-18fe7dbd7020'' [8.02 GB] inherit inactive ''/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-3d89e0e8-4321-4f6f-88c5-c1ab268187cd'' [8.02 GB] inherit inactive ''/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-e56c44a0-5f2d-43c2-8333-214ccc7cf0cd'' [8.02 GB] inherit inactive ''/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-2591071c-e552-4b5b-a925-e34a46db40fd'' [8.02 GB] inherit ACTIVE ''/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-2b2d7602-cd6b-4cbd-8c04-c714281964d5'' [8.02 GB] inherit inactive ''/dev/VG_XenStorage-43757365-6aeb-4ff2-d64c-e2066bae5de9/VHD-42a96426-c33c-46b3-887c-ca9b57b8bc1b'' [8.02 GB] inherit Thanks and regards Tobi -- Tobias Matthaeus Technik tm@carmunity.de 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 _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Mike McClurg
2011-May-24 16:43 UTC
Re: [Xen-users] VM and VDI deleted, but Space on Storage still used
On 24/05/11 15:29, Tobias Matthaeus wrote:> Hello everyone, > > > > I deleted a VM and the assigned VDI. But the space on the SR is still used. It seems, that xenserver delete the VDI but not delete the LVM. > > The command "lvscan" show me the existings LVMs and there is the LVM from the deleted VDI. Is this a bug? > I know, I can remove it with lvremove. But is it okay, that the storage place will not be freed automaticly?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 ;) Mike _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Tobias Matthaeus
2011-May-25 13:40 UTC
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@carmunity.de 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 _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
ross
2011-Sep-22 21:46 UTC
[Xen-users] Re: VM and VDI deleted, but Space on Storage still used
I have the same problem on all of my Xen Servers 5.5/5.6. Create a new Virtual disk on a Local Storage LVM (200Gb), then delete it, the Space is never released. This must be a bug in Xen. They only way I have found is to use LMREMOVE (rather scarey) Do the same on a LVM over iSCSI, the space is released. -- View this message in context: http://xen.1045712.n5.nabble.com/VM-and-VDI-deleted-but-Space-on-Storage-still-used-tp4422234p4831601.html Sent from the Xen - User mailing list archive at Nabble.com. _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Hello, I have the same Issue. After delete VM''s, LVMs remains.>lvscaninactive ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/MGT'' [4.00 MB] inherit inactive ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/LV-b1a16609-fad9-4cce-a9ba-dfb4f4815034'' [256.00 MB] inherit ACTIVE ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/VHD-97799655-02a1-4aee-8bdc-d1f372213033'' [11.47 GB] inherit ACTIVE ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/VHD-12d75f08-8890-405b- etc... All Inactive LVM''s sumarize more than 100Gb!. *How I can Purge these files safetly ?* Thanks and regards Angel. -- View this message in context: http://xen.1045712.n5.nabble.com/VM-and-VDI-deleted-but-Space-on-Storage-still-used-tp4422234p5712808.html Sent from the Xen - User mailing list archive at Nabble.com.
Ivan Fitenko
2012-Dec-10 14:49 UTC
Re: VM and VDI deleted, but Space on Storage still used
I have the same problem with one of my lab installations. Usually, plain # lvremove /dev/VG_XenStorage-$PUT_YOUR_UUID_HERE helps. On some rare occasions, however, it didn''t help until reboot, but I didn''t have a chance to debug that further yet. On Mon, Dec 10, 2012 at 05:35:38AM -0800, angeloxo wrote:> Hello, I have the same Issue. After delete VM''s, LVMs remains. > > >lvscan > inactive > ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/MGT'' [4.00 MB] > inherit > inactive > ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/LV-b1a16609-fad9-4cce-a9ba-dfb4f4815034'' > [256.00 MB] inherit > ACTIVE > ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/VHD-97799655-02a1-4aee-8bdc-d1f372213033'' > [11.47 GB] inherit > ACTIVE > ''/dev/VG_XenStorage-d54ead56-0aa0-6456-fb22-efdca87af607/VHD-12d75f08-8890-405b- > etc... > > All Inactive LVM''s sumarize more than 100Gb!. > *How I can Purge these files safetly ?* > > Thanks and regards > Angel. > > > > -- > View this message in context: http://xen.1045712.n5.nabble.com/VM-and-VDI-deleted-but-Space-on-Storage-still-used-tp4422234p5712808.html > Sent from the Xen - User mailing list archive at Nabble.com. > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xen.org > http://lists.xen.org/xen-users