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I have upgraded successfully from glusterfs-server 3.7 to 7.7 directly offline . Glusterfs-server 7.7 can't work on centos 7.0 ,after update the os to centos 7.8 ,glusterfs-servers work as expected ! After upgrade ,I added a arbiter node.
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Volume Name: datacenter
<div>Type: Replicate</div>
<div>Volume ID: 03fbf2e3-86f0-4d24-a60c-e01560b75e36</div>
<div>Status: Started</div>
<div>Snapshot Count: 0</div>
<div>Number of Bricks: 1 x (2 + 1) = 3</div>
<div>Transport-type: tcp</div>
<div>Bricks:</div>
<div>Brick1: gluster1:/glusterfs/brick1/datacenter</div>
<div>Brick2: gluster2:/glusterfs/brick1/datacenter</div>
<div>Brick3: arbiter:/home/brick/datacenter (arbiter)</div>
<div>Options Reconfigured:</div>
<div>cluster.self-heal-daemon: enable</div>
<div>transport.address-family: inet</div>
<div>nfs.disable: on</div>
<div>server.allow-insecure: on</div>
<div>performance.readdir-ahead: on</div>
<div> </div>
<div>Volume Name: vmhome</div>
<div>Type: Replicate</div>
<div>Volume ID: ed391b29-fb88-4524-a589-fc4b10212e2b</div>
<div>Status: Started</div>
<div>Snapshot Count: 0</div>
<div>Number of Bricks: 1 x (2 + 1) = 3</div>
<div>Transport-type: tcp</div>
<div>Bricks:</div>
<div>Brick1: gluster1:/glusterfs/brick1/vmimage</div>
<div>Brick2: gluster2:/glusterfs/brick1/vmimage</div>
<div>Brick3: arbiter:/home/brick/vmhome (arbiter)</div>
<div>Options Reconfigured:</div>
<div>transport.address-family: inet</div>
<div>nfs.disable: on</div>
<div>performance.readdir-ahead: on</div>
<div>server.allow-insecure: on</div>
<div>storage.owner-uid: 107</div>
<div>storage.owner-gid: 107</div>
[root@gluster2 ~]# </div>
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[root@gluster2 ~]# gluster volume get all cluster.op-version
<div>Option Value
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<div>------ -----
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<div>cluster.op-version 70200
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<div>[root@gluster2 ~]# </div>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>发件人:</b> Sanju Rakonde <srakonde@redhat.com><br>
<b>发送时间:</b> 2020年8月26日 3:04<br>
<b>收件人:</b> liu zhijing <jordielau@outlook.com><br>
<b>抄送:</b> gluster-users@gluster.org List <gluster-users@gluster.org><br>
<b>主题:</b> Re: [Gluster-users] upgrade gluster from old version</font>
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<div dir="ltr">Hi,
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<div>I believe you can do an offline upgrade (I have never tried upgrading from 3.7 to 7.7, so there might be issues). </div>
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<div>If you want to do a fresh install, after installing the 7.7 packages, you can use the same old bricks to create the volumes. but you need to add force at the end of volume create command.</div>
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<div dir="ltr" class="x_gmail_attr">On Wed, Aug 26, 2020 at 5:27 AM liu zhijing <<a href="mailto:jordielau@outlook.com">jordielau@outlook.com</a>> wrote:<br>
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hi everyone!</div>
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I found It is hard to upgrade from a gluster version from 3.7.6 to 7.7,so I remove all the install package and delete all config file except the brick, and I resinstall the glusterfs 7.7, then reconfig the same volume name but use a temp brick.after everything
is ok ,then i stop the volume and replace the old brick , change the brick volume id as the new volume id , at last start the volume successfully.</div>
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What I want to know is if this is the right way to upgrade .<br>
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<div>Thanks,<br>
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Sanju<br>
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