Thanks Rafi, that's understood now :)
I'm considering to deploy gluster on a 4 x 40 TB bricks, do you think
it would better to make 1 LVM partition for each Volume I need or to
make one Big LVM partition and start multiple volumes on it ?
We'll store mostly big files (videos) on this environement.
Le 11/10/2017 à 09:34, Mohammed Rafi K C a écrit :
On 10/11/2017 12:20 PM, ML wrote:
Hi everyone,
I've read on the gluster & redhat documentation, that it seems
recommended to use XFS over LVM before creating & using gluster volumes.
Sources :
https://access.redhat.com/documentation/en-US/Red_Hat_Storage/3/html/Administration_Guide/Formatting_and_Mounting_Bricks.html
http://gluster.readthedocs.io/en/latest/Administrator%20Guide/Setting%20Up%20Volumes/
My point is : do we really need LVM ?
This recommendations was added after gluster-snapshot. Gluster snapshot
relays on LVM snapshot. So if you start with out lvm, in future if you
want to use snapshot then it would be difficult, hence the
recommendation to use xfs on top of lvm.
Regards
Rafi KC
For example , on a dedicated server with disks & partitions that will
not change of size, it doesn't seems necessary to use LVM.
I can't understand clearly wich partitioning strategy would be the
best for "static size" hard drives :
1 LVM+XFS partition = multiple gluster volumes
or 1 LVM+XFS partition = 1 gluster volume per LVM+XFS partition
or 1 XFS partition = multiple gluster volumes
or 1 XFS partition = 1 gluster volume per XFS partition
What do you use on your servers ?
Thanks for your help! :)
Quentin
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