Re: [ovirt-users] 1. Re: storage offload capability (Paul Jansen)

On 12/15/2014 04:26 PM, Nikolai Sednev wrote: for netapp this is available via the netapp vsc ui plugin http://captainkvm.com/2014/02/vsc-for-rhev-is-ga-today/ > > > > Thanks in advance. > > Best regards, > Nikolai > ____________________ > Nikolai Sednev > Senior Quality Engineer at Compute team > Red Hat Israel > 34 Jerusalem Road, > Ra'anana, Israel 43501 > > Tel: +972 9 7692043 > Mobile: +972 52 7342734 > Email: nsednev(a)redhat.com > IRC: nsednev > > ------------------------------------------------------------------------ > *From: *users-request(a)ovirt.org > *To: *users(a)ovirt.org > *Sent: *Monday, December 15, 2014 3:13:32 PM > *Subject: *Users Digest, Vol 39, Issue 81 > > Send Users mailing list submissions to > users(a)ovirt.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.ovirt.org/mailman/listinfo/users > or, via email, send a message with subject or body 'help' to > users-request(a)ovirt.org > > You can reach the person managing the list at > users-owner(a)ovirt.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Users digest..." > > > Today's Topics: > > 1. Re: storage offload capability (Paul Jansen) > 2. Re: [RFI] Fedora 21 support on oVirt 3.5.z (Gianluca Cecchi) > 3. Re: How to update zanata's source text ? (Alexander Wels) > 4. Re: [RFI] Fedora 21 support on oVirt 3.5.z (Sandro Bonazzola) > 5. Re: [RFI] Fedora 21 support on oVirt 3.5.z (Gianluca Cecchi) > 6. Re: [RFI] Fedora 21 support on oVirt 3.5.z (Sandro Bonazzola) > 7. Re: [RFI] Fedora 21 support on oVirt 3.5.z (Gianluca Cecchi) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 15 Dec 2014 11:37:24 +0000 (UTC) > From: Paul Jansen <vlaero(a)yahoo.com.au&gt; > To: Itamar Heim <iheim(a)redhat.com&gt;, users <users(a)ovirt.org&gt; > Subject: Re: [ovirt-users] storage offload capability > Message-ID: > <1885607432.201949.1418643444273.JavaMail.yahoo(a)jws10632.mail.bf1.yahoo.com&gt; > > Content-Type: text/plain; charset="utf-8" > > Thanks Itamar.I heard the other day that NFS v4.2 is supposed to contain > server side copy, so it's possible that we might see this kind of > support in one of more storage domain available to ovirt at some stage > perhaps next year (in Fedora at least).Is this something that Gluster > will also likely provide in a subsequent release once we have proper > gfapi support? > I'd be interested to hear if others on the list are clamouring for > server side offload support in some form. > > From: Itamar Heim > To: Paul Jansen ; users > Sent: Saturday, 13 December 2014, 2:16 > Subject: Re: [ovirt-users] storage offload capability > > On 11/13/2014 06:09 AM, Paul Jansen wrote: > > > > I have an ovirt 3.5 cluster set up with three el7 hosts.? Storage is > > provided by two Fedora 20 machines and the connection is via multipath > > iscsi. > > The performance is quite good.? The Fedora 20 iscsi targets are using > > the 'target' (ie: lio) framework, which support the various t.10 scsi > > offloads.? Vmware supports a subset of these called VAAI and Microsoft > > has a subset called ODX. > > Cloning is one if the t.10 extensions that the lio target framework > > supports. > > I just tried cloning a vm and noticed that during the process there is a > > lof of traffic over the iscsi interfaces on the Storage Pool Manager > > host and the iscsi target machine. > > With proper support for t.10 cloning I shoudn't see any traffic on the > > isci links (or very minimal traffic) > > Is there some way to enable the storage offload functionality in Ovirt? > > If not, is this on the VDSM roadmap?? If support were worked in this > > should be able to be applied to FCP connections as well.? The lio target > > supports these offloads when acting as a Fiber Channel target also. > > > > I've asked this sometime back but there hasn't been much in the way of > > discussion on this users list or the devel list about this feature. > > > > yes, on the roadmap, tbd yet on when. netapp did a plugin enabling this > for their storage array (VSC plugin) > I hope the ceph integration will provide this, though that doesn't solve > it for other type of storage domains yet. > > > > >