> From: cruxrealm@aol.com
> Subject: Re: VSC 4 and online alignment - anyone used it in anger?
> Date: Wed, 11 Apr 2012 19:47:53 -0700
> To: petathames@gmail.com
> CC: Toasters@teaparty.net
>
> I suggest do it by batches and run in on quiet times. Also make sure you have ample space for VM snapshots.
>
> Sent from my iPad
>
> On Apr 11, 2012, at 7:26 PM, Peta Thames <petathames@gmail.com> wrote:
>
> > Hi all,
> >
> > I've been testing the new functionality in VSC 4 around online
> > re-alignment. I've done some tests with a test datastore and test VM
> > under load, all fine.
> >
> > However I have an estate of over 200 datastores. Has anyone run the
> > scan manager across all their datastores at once? Was there any
> > noticeable impact to the VMs? As far as I can tell, I can only
> > schedule the scan to scan everything at once. I know I could manually
> > do batches but I need to run the scans overnight.
> >
> > I've found documentation around the actual online alignment function
> > and warnings to not do too many at once, but nothing about the scan.
> > There also seems to be no way of stopping the scan once it starts,
> > which makes my rollback plan in my CR for this scan a bit empty
> > looking and hard to justify.
> >
> > And a long shot, just out of curiosity, if anyone has any information
> > on what the scan actually does would be interesting too. I can see it
> > takes a VM snapshot for each VM in the datastore, then deletes it, but
> > that's it. I've searched NOW high and low, but documentation on VSC 4
> > is pretty thin on the ground.
> >
> > Thanks,
> > Peta
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