<html><body><div style="font-family: garamond,new york,times,serif; font-size: 12pt; color: #000000"><div>CC'd him only now.<br></div><div><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>"Krutika Dhananjay" <kdhananj@redhat.com><br><b>To: </b>"Lindsay Mathieson" <lindsay.mathieson@gmail.com><br><b>Cc: </b>"gluster-users" <gluster-users@gluster.org><br><b>Sent: </b>Friday, November 6, 2015 11:05:27 AM<br><b>Subject: </b>Re: [Gluster-users] File Corruption with shards - 100% reproducable<br><div><br></div><div style="font-family: garamond,new york,times,serif; font-size: 12pt; color: #000000"><div>CC'ing Raghavendra Talur, who is managing the 3.7.6 release.<br></div><div><br></div><div>-Krutika<br></div><div><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>Thursday, November 5, 2015 7:17:35 PM<br><b>Subject: </b>Re: [Gluster-users] File Corruption with shards - 100% reproducable<br><div><br></div><div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On 5 November 2015 at 21:55, Krutika Dhananjay <span dir="ltr"><<a href="mailto:kdhananj@redhat.com" target="_blank">kdhananj@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Although I do not have experience with VM live migration, IIUC, it is got to do with a different server (and as a result a new glusterfs client process) taking over the operations and mgmt of the VM.<br></div></blockquote><div><br></div><div>Thats sounds very plausible<br> <br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><br></div><div>If this is a correct assumption, then I think this could be the result of the same caching bug that I talked about sometime back in 3.7.5, which is fixed in 3.7.6.<br></div><div>The issue could cause the new client to not see the correct size and block count of the file, leading to errors in reads (perhaps triggered by the restart of the vm) and writes on the image.</div></blockquote><div><br></div><div>Cool, I look fwd to testing that in 3.7.6, which I believe is due out next week?<br><div><br></div></div><div>thanks,<br></div><div> <br></div></div><br><div><br></div><br clear="all"><br>-- <br><div class="gmail_signature">Lindsay</div></div></div></blockquote><div><br></div></div></blockquote><div><br></div></div></body></html>