[ale] MySQL array based snapshot

[jim.kinney at gmail.com (Jim Kinney)]

OUCH!

funny but OUCH!

On Tue, 2016-11-22 at 13:27 -0500, Chris Fowler wrote:
> 
> 
> > From: "Jim Kinney" <jim.kinney at gmail.com>
> > To: "Chris Fowler" <cfowler at outpostsentinel.com>
> > > > Cc: jimkinney at gmail.com, "Atlanta Linux Enthusiasts - Yes! We run
Linux!" <ale at ale.org>
> Sent: Tuesday, November 22, 2016 1:02:29 PM
> Subject: Re: [ale] MySQL array based snapshot
> 
> > > > 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.
> > > > > 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.
> 
> 
> > > "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.
> ?
> > > > 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."
> 
> 
> 
> 
--?
James P. Kinney III

Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.
- Speech 11/23/1900 Mark Twain

http://heretothereideas.blogspot.com/
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