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From Ivan Kudryavtsev <kudryavtsev...@bw-sw.com>
Subject Re: SSVM, templates and managed storage (iscsi/KVM)... how does it work ?
Date Sun, 03 Mar 2019 19:33:02 GMT
Not sure, KVM works on arbitrary iSCSI target except the Solidfire.

вс, 3 мар. 2019 г. в 14:10, Jean-Francois Nadeau <the.jfnadeau@gmail.com>:

> Hi Ivan,
>
> SS is still on NFS in this case.  It's the primary storage in trying to
> move on iscsi managed storage so just like Solidfire/Ceph on primary.
>
> While NFS is used on both SS and primary,  I understand the SSVM just
> mounts both shares and copies templates when needed.
>
> But if you have a qcow2 template on SS,  and primary on managed storage,  I
> presume the SSVM copies the qcow2 into the just dynamically created iscsi
> volume in a raw way....  but I don't know that is what Im trying to connect
> the dots :)
>
>
> On Sun, Mar 3, 2019 at 2:02 PM Ivan Kudryavtsev <kudryavtsev_ia@bw-sw.com>
> wrote:
>
> > Jean-Francois,
> > NFS primary, NFS secondary worked always like a charm. It's the most used
> > way for CloudStack, I suppose. It works great for my 4.11.2, worked great
> > for 4.11.1 and even for full-trash 4.10 release.
> >
> > I have never tried SS on iSCSI and suppose it's a wrong way to go except
> > the way you use Solidfire. For KVM you must use NFS, S3 or Swift.
> >
> >
> > вс, 3 мар. 2019 г. в 13:50, Jean-Francois Nadeau <the.jfnadeau@gmail.com
> >:
> >
> > > Hi all,
> > >
> > > Im kicking the tires with managed storage with under 4.11.2 with KVM
> and
> > > Datera as primary storage.
> > >
> > > My first attempt at creating a VM from a template stored on NFS
> secondary
> > > failed silently. Looking at the SSVM cloud logs I saw no exception.
> The
> > VM
> > > root disks gets properly created on the backend and attached on the KVM
> > > host but the block device is blank.  Somehow the template did not get
> > > copied over.
> > >
> > > Starting troubleshooting from this point... I realize I don't
> understand
> > > how this work vs what Im used to with NFS as both primary and secondary
> > > storage.
> > >
> > > I presume the SSVM has to copy the qcow2 template from the NFS
> secondary
> > to
> > > the primary storage but this one is iscsi now... and I did not setup
> > > initiator access to the SSVM or found instructions I need to do that.
> > >
> > > Can someone fill the blank on to how this work ?
> > >
> > > thanks all,
> > >
> > > Jean-Francois
> > >
> >
> >
> > --
> > With best regards, Ivan Kudryavtsev
> > Bitworks LLC
> > Cell RU: +7-923-414-1515
> > Cell USA: +1-201-257-1512
> > WWW: http://bitworks.software/ <http://bw-sw.com/>
> >
>


-- 
With best regards, Ivan Kudryavtsev
Bitworks LLC
Cell RU: +7-923-414-1515
Cell USA: +1-201-257-1512
WWW: http://bitworks.software/ <http://bw-sw.com/>

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