[ovirt-users] expanding a lun on the san side

[Fred Rolland]

Nathanael hi,

Please refer to Aharon suggestion.

I don't know if you can extend without going to maintenance, and I don't think that updating the DB directly would be recommended.

Regards,

Fred

----- Original Message -----
> From: "Nathanaël Blanchet" <blanchet at abes.fr>
> To: "Fred Rolland" <frolland at redhat.com>
> Cc: users at ovirt.org, "Aharon Canan" <acanan at redhat.com>
> Sent: Monday, March 16, 2015 5:43:14 PM
> Subject: Re: [ovirt-users] expanding a lun on the san side
> 
> Thank you Fred for your answer,
> Aharon suggests me :
> "
> The flow should be like below -
> 
>   * Put the relevant domain in maintenance
>   * Extend the lun (from storage side)
>   * Resize the relevant PV (for example - > "pvresize
>     --setphysicalvolumesize 125G >
>     /dev/mapper/3600601601282300056f0075c3f81e311"
>   * Activate the domain
> 
> Check the storage domain total size, It should have the new size.
> "
> 
> I have a few question to do it manually:
> 
>   * Do I have to shutdown or live storage migrate to an other lun all my
>     vms to perform the pv extend on the SPM? I know now it won't update
>     the ovirt db but, is it a risk to do extend this in production?
>   * My next question is : is it possible to fill manually the new lun
>     size in the DB?
> 
> All this would prevent me from a heavy maintenance or from a very long
> migration (4TB) due to maintenance mode.
> 
> Le 16/03/2015 15:20, Fred Rolland a écrit :
> > Nathanael hi,
> >
> > There is an open bug on this scenario :
> > https://bugzilla.redhat.com/show_bug.cgi?id=609689
> >
> > Here are manual steps for overcome this issue:
> > https://access.redhat.com/solutions/376873
> >
> >
> > We are working on a solution for 3.6
> > http://www.ovirt.org/Features/LUN_Resize
> >
> > Regards,
> >
> > Fred
> >
> > ----- Original Message -----
> >> From: "Nathanaël Blanchet" <blanchet at abes.fr>
> >> To: users at ovirt.org
> >> Sent: Monday, March 2, 2015 6:35:30 PM
> >> Subject: [ovirt-users] expanding a lun on the san side
> >>
> >> Hi all,
> >>
> >> I've just expanded  the lun used as master by the domain storage. fdisk
> >> on the SPM is able to see the multipath device with its new size, but
> >> engine reports the old size.
> >> How to refresh this?
> >>
> >>
> >> _______________________________________________
> >> Users mailing list
> >> Users at ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/users
> >>
> 
>