[ovirt-users] Re: oVirt and Netapp question

Hi Ladislav, Not sure if you sam my reply, so i give it another shot. I just want to he clear on understanding what you wrote in your recommendation. Please check my previous reply. Thank you. Sent from my iPhone > On 6 Nov 2019, at 11:52, Vrgotic, Marko <M.Vrgotic(a)activevideo.com&gt; > wrote: > >  > > Hi Ladislav, > > Thank you for the reply. > > On the matter of your Recommendation, when you mention free space, > were you referring to: > > * Space that is free/unallocated on the Aggregate, allowing the > AutoGrow > * Or all that is allocated to the volume but not actual Data Space > > Kindly awaiting your reply. > > ----- > > kind regards/met vrindelijke groet > > Marko Vrgotic > ActiveVideo > > *From: *Ladislav Humenik <ladislav.humenik(a)ionos.com&gt; > *Date: *Tuesday, 5 November 2019 at 20:45 > *To: *"Vrgotic, Marko" <M.Vrgotic(a)activevideo.com&gt; > *Cc: *&quot;users(a)ovirt.org&quot; <users(a)ovirt.org&gt; > *Subject: *Re: [ovirt-users] Re: oVirt and Netapp question > > Hi, > > for the NetApp part, here is copy-paste from the netapp kb: > > Answer > > The volume "Over Provisioned Space" value provided in OnCommand > System Manager (OCSM) is the "Over Provisioned Size" field provided > by the |volume show| > <https://docs.netapp.com/ontap-9/topic/com.netapp.doc.dot-cm-cmpr-930/volu... > at the cluster shell. > > This value is determined by the following formula: > > (volume size) - (volume used) - (volume space available) - (snapshot used space) == storage that can't be provided by the aggregate if written to the volume > > for the ovirt part: > > Ovirt will see the volume size available within thin-volume without > any knowledge of the aggregate space (available/or not) in behind. > > Recommendation: > > on netapp side do volume auto-grow and you are safe as long as you > have free space inside aggregate. > > HTH > > On 05.11.19 14:54, Vrgotic, Marko wrote: > > Second attempt 😊 > > *From: *"Vrgotic, Marko" <M.Vrgotic(a)activevideo.com&gt; > <mailto:M.Vrgotic@activevideo.com> > *Date: *Monday, 4 November 2019 at 14:01 > *To: *&quot;users(a)ovirt.org&quot; <mailto:users@ovirt.org> > <users(a)ovirt.org&gt; <mailto:users@ovirt.org> > *Subject: *oVirt and Netapp question > > Dear oVirt, > > Few months ago our production environment oVirt with main Shared > storage via NFS Netapp is live. > > We have been deploying VMs with thin provisioned HDD 40GB based > template, CentOS 7. > > The Netapp NFS v4  storage volume is 7TB in size, also Thin > Provisioned. > > First attached screenshot shows the space allocation of the > production volume from Netapp side. > > Is there anyone in oVirt community who would be able to tell me > the meaning of the 5.31 TB Over Provisioned Space? > > <image001.png> > > Second attached is the info  of the production volume from oVirt > side: > > <image002.png> > > What I want to understand is the way how is oVirt reading the > volume usage and Netapp and where is the difference. > > Is the Over Allocated Space something that is just logically > used/reserved and will be intelligently re-allocated/re-used as > the actual Data Space Used grows or am I looking at oVIrt > actually hitting Critical Space Action Blocker and will have to > resize the volume? > > If there is anyone from Netapp or with good Netapp experience > that is able to help understanding the data above better, thank > you in advance? > > Kindly awaiting your reply. > > ----- > > kind regards/met vrindelijke groet > > Marko Vrgotic > ActiveVideo > > > > _______________________________________________ > > Users mailing list --users(a)ovirt.org <mailto:users@ovirt.org> > > To unsubscribe send an email tousers-leave(a)ovirt.org <mailto:users-leave@ovirt.org> > > Privacy Statement:https://www.ovirt.org/site/privacy-policy/ > > oVirt Code of Conduct:https://www.ovirt.org/community/about/community-guidelines/ > > List Archives:https://lists.ovirt.org/archives/list/users@ovirt.org/message/BV... >