[Gluster-users] Parallel cp?

[Anand Avati]

On Sun, Feb 5, 2012 at 10:34 PM, Brian Candler <B.Candler at pobox.com> wrote:
> On Sun, Feb 05, 2012 at 05:30:40PM +0530, Anand Avati wrote:
>> > Alternatively: is it possible to determine for each file which brick it
>> > resides on?
>>
>> Yes, there is the virtual extended attribute
>> "trusted.glusterfs.pathinfo" which gives you the location (hostname)
>> of a file.
>
> # getfattr -n trusted.glusterfs.pathinfo /mnt/test-volume/Bonnie.6790/00001/0000000065GEmkQPntG
> getfattr: Removing leading '/' from absolute path names
> # file: mnt/test-volume/Bonnie.6790/00001/0000000065GEmkQPntG
> trusted.glusterfs.pathinfo="(<DISTRIBUTE:test-volume-dht> <POSIX:storage1:/data/sdc/test/Bonnie.6790/00001/0000000065GEmkQPntG>)"
>
> Cool :-)
>
> Is there something comparable a client can do on the mountpoint to get a
> list of the component bricks in a volume?

You can do the getfattr on a directory (say the mount point directory)
and get the list of all bricks.

Avati