<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div><br></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><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;" data-mce-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>"Jim Kinney" <jim.kinney@gmail.com><br><b>To: </b>"Chris Fowler" <cfowler@outpostsentinel.com><br><b>Cc: </b>jimkinney@gmail.com, "Atlanta Linux Enthusiasts - Yes! We run Linux!" <ale@ale.org><br><b>Sent: </b>Tuesday, November 22, 2016 1:02:29 PM<br><b>Subject: </b>Re: [ale] MySQL array based snapshot<br></blockquote></div><div data-marker="__QUOTED_TEXT__"><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;" data-mce-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;"><p dir="ltr">Ah. Vm dude. Ask for his "best method for hot db backup with SAN/NAS drive space of vm". Change san to nas as required. I hear a vm specialist that's been bit before on performance during backups not wanting that pile of meetings ever again.</p></blockquote><div><br></div><div>I had one site that were doing to many backups at once their SAN would lose connection to the VM. I have access to the guest so from my POV sda just "disappears". Root goes to read-only and kernel screams. Guest has to be restarted. This happened 3 times before they figured it out.</div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>"Turns out Hyper-V replication was using too many resources, causing the SAN to get upset, and the host would close random connections to the guest operating systems.<br> <br>I was paying attention to what you did last week, so I ran the fsck command and got the guest back online. Aaron changed the replication schedule on that server so the guests only replicate one at a time. Your guest isn’t one of them that’s replicating at this point."</div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div></div></div></body></html>