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<title>RE: [Gluster-users] Expand distributed replicated volume</title>
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<p>Hi all,</p><p> </p><p>Does someone have already meet this ?</p><p> </p><p>Best regards,</p><p>Hugues<br /> </p><blockquote style="border-left: 2px solid #325FBA; padding-left: 5px;margin-left:5px;">-----Message initial-----<br /><strong>De:</strong> Hugues Lepesant <hugues@lepesant.com><br /><strong>Envoyé:</strong> mar. 29-04-2014 11:51<br /><strong>Sujet:</strong> [Gluster-users] Expand distributed replicated volume<br /><strong>À:</strong> gluster-users@gluster.org; <br /><style type="text/css">body { font-family: monospace; }</style> <style type="text/css"> .bodyclass { font-family: Arial, Verdana, Sans-Serif ! important; font-size: 12px; padding: 5px 5px 5px 5px; margin: 0px; border-style: none; background-color: #ffffff; } p, ul, li { margin-top: 0px; margin-bottom: 0px; } </style> <div><p>Hi all,</p><p> </p><p>I want to create a distributed replicated volume.<br />And I want to be able to expand this volume.</p><p><br />To test this, I have 6 nodes each have a 10G disk to share.<br /><br />First I create the initial volume.<br /><br /># gluster volume create testvol replica 2 transport tcp node-01:/export/sdb1/brick node-02:/export/sdb1/brick node-03:/export/sdb1/brick node-04:/export/sdb1/brick<br /><br />On the client, I mount the volume :<br /><br /># mount -t glusterfs node-01:/testvol /storage-pool<br /># df -h /storage-pool/<br />Filesystem Size Used Avail Use% Mounted on<br />node-01:/testvol 20G 3.9G 17G 20% /storage-pool<br /><br />The volume size is 20G, what I expect.<br /><br />Now I want to expand this volume, adding brick.<br /><br />To do so, I do on node-01:<br /># gluster volume add-brick testvol node-05:/export/sdb1/brick node-06:/export/sdb1/brick<br /># gluster volume rebalance testvol start<br /># gluster volume rebalance testvol status<br /># gluster volume info testvol<br /><br />Volume Name: testvol<br />Type: Distributed-Replicate<br />Volume ID: cd24ec0f-3503-4d67-9032-1db1d0987f9c<br />Status: Started<br />Number of Bricks: 3 x 2 = 6<br />Transport-type: tcp<br />Bricks:<br />Brick1: node-01:/export/sdb1/brick<br />Brick2: node-02:/export/sdb1/brick<br />Brick3: node-03:/export/sdb1/brick<br />Brick4: node-04:/export/sdb1/brick<br />Brick5: node-05:/export/sdb1/brick<br />Brick6: node-06:/export/sdb1/brick<br /><br />The back on client :<br /><br /># df -h /storage-pool/<br />Filesystem Size Used Avail Use% Mounted on<br />node-01:/testvol 20G 2.9G 18G 15% /storage-pool<br /><br />Even If I umount/mount the volume, It's always 20G.<br />Should it not display a size of 30GB ?<br />Like if I create a distributed volume and the add-brick with replicate option<br /><br /># gluster volume create testvol transport tcp node-01:/export/sdb1/brick node-02:/export/sdb1/brick node-03:/export/sdb1/brick<br /># gluster volume start testvol<br /># gluster volume add-brick testvol replica 2 node-04:/export/sdb1/brick node-05:/export/sdb1/brick node-06:/export/sdb1/brick<br /># gluster volume info testvol<br /><br />Volume Name: testvol<br />Type: Distributed-Replicate<br />Volume ID: 31159749-85fb-4006-8240-25b74a7eb537<br />Status: Started<br />Number of Bricks: 3 x 2 = 6<br />Transport-type: tcp<br />Bricks:<br />Brick1: node-01:/export/sdb1/brick<br />Brick2: node-04:/export/sdb1/brick<br />Brick3: node-02:/export/sdb1/brick<br />Brick4: node-05:/export/sdb1/brick<br />Brick5: node-03:/export/sdb1/brick<br />Brick6: node-06:/export/sdb1/brick<br /><br />On client : <br /># df -h /storage-pool/<br />Filesystem Size Used Avail Use% Mounted on<br />node-01:/testvol 30G 97M 30G 1% /storage-pool<br /><br />I'm using glusterfs-server 3.5.0 on Ubuntu 14.04 Trusty.<br /><br />Any help is welcome.<br />Best regards,<br />Hugues</p></div> <pre>
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