Re: Add space to a volume

["Paul Robert Marino" <prmarino1@xxxxxxxxx>]

Of course you can always add space to the volume that works well. The reason you may want to consider adding bricks is if you enable striping in gluster  with the mirroring you will probably see better performance on your reads and writes.

-- Sent from my HP Pre3

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On Dec 10, 2014 11:21 AM, wodel youchi <wodel_doom@xxxxxxxx> wrote:

Hi,

I am learning GlusterFS 3.6

I did some testing, using Redhat Documentation. They use thin LVM with XFS on top of the brick.

I have two questions about adding more space to a volume.

Adding space can be done by adding a new brick (distributed configuration), but it could also be done by adding a new pv to the vg in use and then lvextend and xfs_growfs. I tested the two methods and they work perfectly without any manipulation on the client.

1- What is the benefit from using thin LVM and not just LVM, beside snapshots? my target use is VM storage

2- Which is preferable when adding space to a volume, add-brick or lvextend?

thanx in advance.

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