Veritas-bu

Re: [Veritas-bu] VM File Level Backups and not Full VMDK with filelevel rest

2011-05-30 08:58:35
Subject: Re: [Veritas-bu] VM File Level Backups and not Full VMDK with filelevel rest
From: Bahadir Kiziltan <bahadir.kiziltan AT gmail DOT com>
To: mikhail.nikitin AT gmail DOT com
Date: Mon, 30 May 2011 15:58:26 +0300
Mikhail,

NetBackup does support CBT in VMware backups.
Even, you can restore a single file from CBT enabled backups.

Depending on the NBU version, you need to modify the FlashBackup-Windows policy appropriately.

Bahadir.

On Thu, May 26, 2011 at 10:14 AM, Mikhail Nikitin <mikhail.nikitin AT gmail DOT com> wrote:
Additionally to CBT backups, Avamar can also leverage CBT during restores. This feature could be useful if you need to restore a VM of several hundreds of GBs: it will only recall bytes that have been modified since last backup from backup. Looking forward to see similar feature in NBU.

WBR, Mikhail
------Original Message------
From: mitch808
Sender: veritas-bu-bounces AT mailman.eng.auburn DOT edu
To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
ReplyTo: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: [Veritas-bu] VM File Level Backups and not Full VMDK with filelevel rest
Sent: May 26, 2011 10:45

What do you mean "File level backups?"

There is either image level (entire VMDK) or guest level (agent within guest)  Which NBU can do both, among many other backup vendors.

VCB is so last year.  the new vStorage API's can use Change Block tracking (CBT) so you dont have to send the entire VMDK each time.  This was a VCB limitation.

I know Avamar is one great solution that takes CBT even further by deduping even the CBT blocks.

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