<div dir="ltr">I've had this issue recently. The error occurred because I tried adding a brick that was previously part of another volume. If this is the case for you, then this article may be helpful: <a href="http://joejulian.name/blog/glusterfs-path-or-a-prefix-of-it-is-already-part-of-a-volume/">http://joejulian.name/blog/glusterfs-path-or-a-prefix-of-it-is-already-part-of-a-volume/</a><div>
<br></div><div>You'll need to install the 'attr' package to remove the attributes of the brick directory that specify that it already belongs to another volume.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Mon, Jul 1, 2013 at 6:04 PM, Matthew Sacks <span dir="ltr"><<a href="mailto:msacksdandb@gmail.com" target="_blank">msacksdandb@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div><div>Hello,<br>I am having trouble expanding a volume. Every time I try to add bricks to the volume, I get this error:<br><br>[root@gluster1 sdb1]# gluster volume add-brick vg0 gluster5:/export/brick2/sdb1 gluster6:/export/brick2/sdb1<br>
/export/brick2/sdb1 or a prefix of it is already part of a volume<br><br><br></div>Here is the volume info:<br>[root@gluster1 sdb1]# gluster volume info vg0<br> <br>Volume Name: vg0<br>Type: Distributed-Replicate<br>Volume ID: 7ebad06f-2b44-4769-a395-475f300608e6<br>
Status: Started<br>Number of Bricks: 2 x 2 = 4<br>Transport-type: tcp<br>Bricks:<br>Brick1: gluster1:/export/brick2/sdb1<br>Brick2: gluster2:/export/brick2/sdb1<br>Brick3: gluster3:/export/brick2/sdb1<br>Brick4: gluster4:/export/brick2/sdb1<br>
<br></div>Any help is appreciated.<br></div>
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