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

[Nathanaël Blanchet]

Hello,

Since I can live migrate the storage to another lun so as to put the 
master domain in maintenance, it is quite very long (2,5To) and I will 
have to do the same in the other side.
Is it a risk to Resize the relevant PV without putting the domain in 
maintenance?
In my memory, it is not a risk to expand a physical volume while it not 
recommended to shrink the volume...

Le 03/03/2015 14:30, Aharon Canan a écrit :
> Hi
>
> 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.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=961532
>
>
>
>
>
> Regards,
> __________________________________________________
> *Aharon Canan*
>
>
> ------------------------------------------------------------------------
>
>     *From: *"Nathanaël Blanchet" <blanchet at abes.fr>
>     *To: *users at ovirt.org
>     *Cc: *"Pôle infrastructures informatiques" <p2i at abes.fr>
>     *Sent: *Tuesday, March 3, 2015 2:11:24 PM
>     *Subject: *Re: [ovirt-users] expanding a master lun storage domain
>     on the san side
>
>     Can anybody help me with this?
>     When the domain storage is recognized with the good size by the
>     host, is
>     there something to do for engine to recognize this size?
>
>     Le 02/03/2015 17:35, Nathanaël Blanchet a écrit :
>     > 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?
>     >
>     >
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