[Users] SAN storage expansion

[Liron Aravot]

Hi Giorgio,
perhaps i missed something - but why don't you want to extend the domain by right click and editing it?

----- Original Message -----
> From: "Giorgio Bersano" <giorgio.bersano at gmail.com>
> To: "Elad Ben Aharon" <ebenahar at redhat.com>
> Cc: "users at ovirt.org" <Users at ovirt.org>
> Sent: Tuesday, March 18, 2014 11:28:14 AM
> Subject: Re: [Users] SAN storage expansion
> 
> 2014-03-18 9:15 GMT+01:00 Elad Ben Aharon <ebenahar at redhat.com>:
> > Hi,
> >
> > LUNs size are being updated using the multipath mechanism. In order to
> > update storage domain size, you'll need to update the physical volume size
> > using LVM on you hypervisors.
> >
> > Please do the following:
> > 1) Put the storage domain to maintenance
> > 2) Execute on your hosts:
> > 'pvresize --setphysicalvolumesize' with the new physical volume size (150G)
> > 3) Activate the storage domain
> 
> Thank you Elad,
> I knew it was required a pvresize command but wanted to be sure that I
> wasn't disrupting possible storage parameters bookkeeping by the oVirt
> system.
> I'm wondering if it's because of this that SD has to be put in maintenance.
> 
> Any chance to have the SD resize without putting it offline, for
> example doing pvresize on the SPM node and then pvscan on every other
> host involved?
> I'm sure there are use cases where this is would be of great convenience.
> 
> 
> > ----- Original Message -----
> > From: "Giorgio Bersano" <giorgio.bersano at gmail.com>
> > To: "users at ovirt.org" <Users at ovirt.org>
> > Sent: Monday, March 17, 2014 7:25:36 PM
> > Subject: [Users] SAN storage expansion
> >
> > Hi all,
> > I'm happily continuing my experiments with oVirt and I need a
> > suggestion regarding storage management.
> >
> > I'm using an iSCSI based Storage Domain and I'm trying to understand
> > which is the correct way to extend it's size some time after it's
> > creation.
> >
> > Please consider the following steps:
> >
> > 1) Using storage specific tools create a new volume on iSCSI storage
> > (e.g. 130.0 GiB)
> >
> > 2) in oVirt webadmin: Storage -> New Domain , select the previously
> > created storage (130 GB), OK, after some time it's online:
> >  Size: 129 GB ; Available: 125 GB ; Used: 4 GB
> >
> > 3) Use according to your needs (even noop is OK)
> >
> > 4) Using storage specific tools expand the new volume (e.g. 20.0 GiB
> > more, now it says 150.0GiB)
> >
> > 5) in webadmin: Storage, click on the domain, Edit. Looking at
> > Luns>Targets , now it correctly sees 150GB
> >
> > BUT
> > on the Storage tab it continues to be seen with
> >  Size: 129 GB ; Available: 125 GB ; Used: 4 GB
> >
> >
> > Do you think it is possible to make oVirt aware of the new available
> > storage space? Am I missing something obvious?
> >
> > My setup is oVirt 3.4.0 RC2 with fully patched CentOS 6.5 hosts.
> >
> > Best regards,
> > Giorgio.
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
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