Hi Ravi,
I understand that it's not recommended and also understand why.
For the benefit of anyone wondering about the background of this, it's
worth mentioning that this was going to be a very temporary solution for
a volume which is currently 5TB and hold less than 3TB of data. The data
are VM images and we don't expect to be creating any new ones for a
while, so the volume of data would be very static. A new server is being
ordered, so at most this solution would be in place for only a few weeks.
regards,
John
On 15/06/15 15:18, Ravishankar N wrote:
On 06/15/2015 10:41 AM, John Gardeniers wrote:
Hi Victor,
Thanks for the response. Since writing my question we have been able
to take over another server, which does have enough drive space for
this job, so it's now merely an academic question.
While there is no check for equal brick sizes during volume create and
things will work fine until you hit ENOSPC on the replica brick of
smaller size, Viktor is right in saying that it is not recommended.
Regards,
Ravi
regards,
John
On 15/06/15 12:51, Viktor Villafuerte wrote:
Hi John,
On Mon 15 Jun 2015 09:15:53, John Gardeniers wrote:
We are/were running a simple 1x2 replica volume and have had a
major failure
on one of our gluster servers. We want to create a new replica, at
least for
the time being, but don't have another available server with
sufficient
drive space. Working on the assumption that we will not increase
the disk
usage, and will therefore not get anywhere near the capacity of the
smaller
server's drives, is it safe to create a replica using mismatched brick
sizes? Will gluster even allow that?
I did bit of testing of this some time ago. Not with the lastest
Gluster
mind you... You can have different size bricks in a volume but you
should always have the same size bricks in a replica.
You say that there's enough space and no space will be consumed after
etc and in theory this could work. But I wouldn't certainly recommend
this kind of setup.
v
regards,
John
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