Re: [libvirt-users] attaching storage pool error

2016-09-03 Thread Johan Kragsterman
Hi again! Need to add here, since I been investigating a bit further, that it seems to be possible to add an NPIV vhba to the guest, using vdsm hooks. I've seen the reference to "host device assignments", which Dan pointed me too, but I didn't really understand the meaning of it at that momen

Re: [libvirt-users] internal snapshot question

2016-09-03 Thread Martin Kletzander
On Sat, Sep 03, 2016 at 06:45:55PM +0800, gunnar.wag...@netcologne.de wrote: tried it (--live wasn't accepted, so I shut the VM down) and produced a snapshot $ sudo virsh snapshot-delete [domain] [sn-id] returns an error though >> error: Failed to delete snapshot [sn-id] >> error: unsupp

[libvirt-users] Ang: Ang: Re: Ang: Ang: Re: Ang: Re: attaching storage pool error

2016-09-03 Thread Johan Kragsterman
Hi! Report from my multipath tests today. My test virtual machine, that runs from an NPIV pool, is not able to use multipath. When I pulled the cable from one of the targets, it crashed. But, strangely, it could boot up again on that other path, that it just crashed on. That tells me it c

Re: [libvirt-users] internal snapshot question

2016-09-03 Thread gunnar . wagner
tried it (--live wasn't accepted, so I shut the VM down) and produced a snapshot $ sudo virsh snapshot-delete [domain] [sn-id] returns an error though >> error: Failed to delete snapshot [sn-id] >> error: unsupported configuration: deletion of 1 external disk snapshots not supported ye

Re: [libvirt-users] internal snapshot question

2016-09-03 Thread vrms
hi Martin, thanks again for the feedback. maybe you have noted that I am not yet all too familiar with those tools. this is now sort of working for me. But I sense that you seem this method to be less then ideal. Reading through the virsh manual it looks like ... $ virsh snapshot-create [d

[libvirt-users] Ang: Re: Ang: Ang: Re: Ang: Re: attaching storage pool error

2016-09-03 Thread Johan Kragsterman
Hi, John, and thank you! This was a very thorough and welcome response, I was wondering where all the storage guys were... I will get back to you with more details later, specifically about multipath, since this needs to be investigated thoroughly. I have, with trial and error method, during

Re: [libvirt-users] internal snapshot question

2016-09-03 Thread Martin Kletzander
On Sat, Sep 03, 2016 at 03:07:37PM +0800, v...@netcologne.de wrote: I take an internal snapshot (VM is 'shutdown' when taking it) of a qcow2 image like this: $ qemu-img snapshot -c sn1 [my_image].qcow2 I see that snapshot when asking for: $ qemu-img info [my_image].qcow Firstly, you ar

[libvirt-users] internal snapshot question

2016-09-03 Thread vrms
I take an internal snapshot (VM is 'shutdown' when taking it) of a qcow2 image like this: $ qemu-img snapshot -c sn1 [my_image].qcow2 I see that snapshot when asking for: $ qemu-img info [my_image].qcow but do NOT see it with: $ virsh domblklist [my_domain] is that how it is mea