________________________________ From: Alaric Haag Sent: Tuesday, March 19, 2013 2:39 PM To: libvirt-users@redhat.com Subject: Storage pool created on the "wrong" vg
Hello all, (Hopefully, I am posing this question to the correct list!) I seem to have mis-clicked through the creation of an LVM-based storage pool in virt-manager and it is using a volume group containing LVs dedicated to the root/swap filesystems. As these are active LVs, there seems no way to remove this pool. Is that true? My reading thus far suggests that, with LVM storage units, you can't delete them from the pool without REALLY deleting them from the VG. I'm "new enough" to KVM to be missing something obvious, but I'd be pretty shocked if a "structure" like a storage pool can't be deconstructed. Kind regards, Alaric ------------------------ Here's a bit more detail in the hope someone might help: I clicked through the creation of a storage pool, and accidentally used the wrong volume group, so I have: virsh # vol-list vm_pool Name Path ----------------------------------------- lv_root /dev/vg_01/lv_root lv_swap /dev/vg_01/lv_swap These two LVs, in group vg_01, are the / and swap partition of the host system. I meant for the pool to reside on vg_vm, a different volume group. Can I safely run: virsh # vol-delete lv_root --pool=vm_pool virsh # vol-delete lv_swap --pool=vm_pool virsh # pool-delete vm_pool or do the first two steps actually destroy the LVs in vg_01 thus bringing my system crashing down? The link below strongly suggests I cannot delete these logical volumes from the pool, but is a "draft" for OpenSUSE. (I'm running libvirt 0.10.2-18 on RHEL6) http://doc.opensuse.org/products/draft/SLES/SLES-kvm_sd_draft/cha.libvirt.storage.html If that's the case, is there ANY way to undo my mistake and remove this pool? I am most grateful for any guidance! Alaric
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