[Gluster-users] multiple volumes on same brick?

[Javier Talens Segui]

On 2015-09-22 08:03, Thibault Godouet wrote:
> You could perhaps use LVM on your RAID 6, and create two Logical 
> Volumes,
> one per brick?

Actually I am testing this setup and i can confirm that is possible, in 
a testing environment, 6 machines each with 1 HD dedicated as a brick, 2 
LV in each brick, total 2 gluster volumes.

Regards,
J

> On 22 Sep 2015 5:17 am, "Atin Mukherjee" <amukherj at redhat.com> wrote:
> 
>> 
>> 
>> On 09/22/2015 02:07 AM, Gluster Admin wrote:
>> > Gluster users,
>> >
>> > We have a multiple node setup where each server has a single XFS brick
>> > (underlying storage is hardware battery backed raid6).  Are there any
>> > issues creating multiple gluster volumes using the same underlying
>> > bricks from a performance or management standpoint?
>> This is not possible in Gluster. A brick (partition) is considered to 
>> be
>> the smallest unit of the break down of a volume.
>> 
>> Thanks,
>> Atin
>> >
>> > or would it be better to setup many smaller bricks via RAID1 to support
>> > multiple volumes.
>> >
>> >
>> > Current setup:
>> >
>> > NODE:/brick1    (raid6 8 disk per brick)
>> >
>> > Smaller Brick setup:
>> >
>> > NODE:/brick1 /brick2 /brick3 /brick4  (raid1 2 disk per brick)
>> >
>> >
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>> >
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> 
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-- 
Javier Talens Segui
University of Bergen
Senior Engineer