[ale] MySQL array based snapshot

[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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