<html><body><div style="font-family: garamond,new york,times,serif; font-size: 12pt; color: #000000"><div>There is no doc to my knowledge. I will write one, now that you pointed it out. ;)<br></div><div><br></div><div>Client-side heals are heals that happen from the GlusterFS client, as part of LOOKUP, sometimes even READ, [F]STAT, etc.</div><div>You can tell when a client did a heal if a corresponding log message appears in that client's log file (usually the ones with MSGID: 108026, although name heals aren't logged).<br></div><div>They are enabled by default.<br>To disable entry heal from clients for instance, you do #gluster volume set <VOL> cluster.entry-self-heal off<br></div><div>To disable data self-heal from clients, you do #gluster volume set <VOL> cluster.data-self-heal off<br></div><div><br></div><div>If you want to prevent the client from doing self-heal altogether, you disable all three forms of client healing: data-self-heal, entry-self-heal and metadata-self-heal.<br></div><div><br></div><div>Server side heals are heals that are performed by the self-heal daemon. You will see log messages with MSGID: 108026 in glustershd.log when the self-heal-daemon performs a heal.<br></div><div>Server side heals happen in the following cases:<br></div><div>1) when you execute #gluster volume heal <VOL> full<br></div><div>2) when you execute #gluster volume heal <VOL><br></div><div>3) when a brick that was previously down comes back up.<br></div><div><br></div><div>To disable server side heal, you need to disable the self-heal-daemon. You can do that with #gluster volume set <VOL> cluster.self-heal-daemon off<br></div><div><br></div><div>HTH,<br></div><div>Krutika<br></div><hr id="zwchr"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Lindsay Mathieson" <lindsay.mathieson@gmail.com><br><b>To: </b>"Krutika Dhananjay" <kdhananj@redhat.com><br><b>Cc: </b>"gluster-users" <gluster-users@gluster.org><br><b>Sent: </b>Friday, January 22, 2016 5:51:01 PM<br><b>Subject: </b>Re: [Gluster-users] File Corruption when adding bricks to live replica volumes<br><div><br></div>On 22/01/2016 10:07 PM, Krutika Dhananjay wrote:<br>> Could you do the following:<br>> 1) Disable client-side healing:<br><div><br></div><br>Will do. Wasn't aware there were different types of healing - is there <br>client and server side heals? are there any docs on this?<br><div><br></div>thanks,<br><div><br></div>-- <br>Lindsay Mathieson<br><div><br></div></blockquote><div><br></div></div></body></html>