Veeam is adding SnapDiff in v11 for NAS backup too, it's all about the restore capabilities and Veeam is fully focused on all the (granular) recovery options.

Op wo 28 okt. 2020 om 07:33 schreef Sami Kapanen <sami.kapanen@hamk.fi>:

I will check these,

Rubrik states it is using SnapDiff. Cohesity says it is based on NAS snapshots as well.

Restore times are important, but not crucial to us (University), we don't loose millions per day if/when restoring.

sk


> -----Original Message-----
> From: Toasters <toasters-bounces@teaparty.net> On Behalf Of Parisi, Justin
> Sent: tiistai 27. lokakuuta 2020 21:04
> To: NGC-michael.bergman-ericsson.com <michael.bergman@ericsson.com>;
> Toasters@teaparty.net
> Subject: RE: Anyone using Cohesity or Rubrik for Netapp CIFS NAS backup?
>
> RE: SnapDiff API, be sure to ask each vendor about that. It's important, because
> it shows where the tighter integration is.
>
> You're likely to get very different answers about their roadmaps.
>
> -----Original Message-----
> From: Michael Bergman <michael.bergman@ericsson.com>
> Sent: Tuesday, October 27, 2020 2:54 PM
> To: Toasters@teaparty.net
> Subject: Re: Anyone using Cohesity or Rubrik for Netapp CIFS NAS backup?
>
> On 2020-10-27 19:28, John Stoffel wrote:
> > Sami> Anyone using Cohesity or Rubrik for Netapp CIFS NAS backup?
> > Sami> Considering these, looking for experiences,
> >
> > In my experience with backups, no one cares.  It's only about
> > restores.  And being able to quickly and easily search through backups
> > for the file(s) to restore.  So test that side of things first.
>
> Exactly. Since years, I always write this "Restore/Backup". *Not*
> Backup/Restore.
> That's not to say that RPO (aka ADL, Acceptable Data Loss) is unimportant.
> But the end users, the data owners, do not care one bit about *how* that
> works. And until the need a restore, they couldn't care less so you can do
> whatever you want including not taking the backups except THAT ONE some
> user wants a restore from ;-)
>
> Sorry. Couldn't resist.
>
> The backup taking problem w Rubrik is that it's host based. SMB ("NAS") based
> backups taken by a Rubrik server, will traverse the file tress, scan them over and
> over and over again and then pull the data out (night time
> perhaps...) via the front end traffic intrefaces the same as where your user
> workload is all the time.
> In a Hi File Count environment (HFC) with billions of files and lots of "churn"
> (WRITE-DEL-WRITE-DEL-WRITE-DEL,...) this is not going to work well for you.
> The backups will just never finish; the backup window problem revisited. Back to
> the 1990's.
>
> So with ONTAP gear you have the SnapDiff API. And then it can work quite well.
> No problem -- should be OK even in a HFC environment
>
> John Stoffel wrote:
> > In personal experience, Networker (EMC, was Legato) was awesome for
> > doing restores, the file indexes stayed online and made searching
> > trivial.
>
> I concur. Like John says: was Legato. It was good in this respect.
> I have no historical hands on experience w CommVault but what I know about it
> in theory has made me/us stay away from it.  Every assessment, w a few years in
> between has made me go "... no."
>
> My options expressed here of course.
>
> If you follow Johns good advice here, not that much can go wrong for you
> IMHO.
>
> /M
>
> John Stoffel wrote:
> > CommVault... sucks for this.  The indexes get purged so damn fast that
> > you're always pulling back tapes just for the indexes, etc.  Painful.
> >
> > So test this part of your backup scheme first, or find the user forums
> > for Cohesity/Rubrik and ask that question there.  And of course try to
> > ask people who have the same size environment as you want to backup as
> > well.
> >
> > Cheers,
> > John
>
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