Ubuntu
libvirt package

  1. Bug #1681839
  2. Comment #8

Comment 8 for bug 1681839

Revision history for this message
Patrick Best (bestpa) wrote : Re: libvirt - disk not ready for pivot yet

Well i'll be. It seems to work no problem upon subsequent tries.
Here's my methodology and run-through.

virsh # list
 Id Name State
----------------------------------------------------

 17 mail running

virsh #
virsh #
virsh #
virsh # domblklist mail
Target Source
------------------------------------------------
vda /images2/mail.img
hdb /home/bestpa/iso/ubuntu-14.04.5-server-amd64.iso

virsh #
virsh #
virsh #
virsh #
virsh # list
 Id Name State
----------------------------------------------------

 17 mail running

virsh # domblklist mail
Target Source
------------------------------------------------
vda /images2/mail.img
hdb /home/bestpa/iso/ubuntu-14.04.5-server-amd64.iso

virsh # snapshot-list mail
 Name Creation Time State
------------------------------------------------------------

virsh # snapshot-create-as --domain mail mail-snap1 --disk-only --atomic
Domain snapshot mail-snap1 created
virsh # snapshot-list mail
 Name Creation Time State
------------------------------------------------------------
 mail-snap1 2017-04-20 16:03:06 -0400 disk-snapshot

virsh # domblklist mail
Target Source
------------------------------------------------
vda /images2/mail.mail-snap1
hdb /home/bestpa/iso/ubuntu-14.04.5-server-amd64.iso

virsh # blockcommit mail vda --active --verbose --pivot
Block commit: [100 %]
Successfully pivoted
virsh # domblklist mail
Target Source
------------------------------------------------
vda /images2/mail.img
hdb /home/bestpa/iso/ubuntu-14.04.5-server-amd64.iso

virsh # snapshot-list mail
 Name Creation Time State
------------------------------------------------------------
 mail-snap1 2017-04-20 16:03:06 -0400 disk-snapshot

virsh # snapshot-delete mail mail-snap1 --metadata
Domain snapshot mail-snap1 deleted

virsh # snapshot-list mail
 Name Creation Time State
------------------------------------------------------------

virsh # domblklist mail
Target Source
------------------------------------------------
vda /images2/mail.img
hdb /home/bestpa/iso/ubuntu-14.04.5-server-amd64.iso

so as you see, i had no problems doing this. I wish I could delete snap files , but for some reason we can only use --meta , and must delete them at the filesystem level.