changing of backups design

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Re: changing of backups design

Veeam Logoby Shestakov » Tue Jan 02, 2018 4:55 pm

lravelo wrote:You're using storage integration features for this though, right? I've never seen targeted backups of datastores without using that...I could be wrong.

Storage integration is not required for this, you just need to create jobs based on the datastores. Job A works with VMs from Datastore A, Job B works with VMs from Datastore B etc.
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Re: changing of backups design

Veeam Logoby lravelo » Tue Jan 02, 2018 4:58 pm

My bad. I just realized that this could be done when adding objects. Forgive my brain fart.
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Re: changing of backups design

Veeam Logoby Shestakov » Tue Jan 02, 2018 5:53 pm

No problem :)
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Re: changing of backups design

Veeam Logoby lravelo » Sun Jan 14, 2018 1:23 pm

Ok so I've been able to successfully migrate to backups targeting the three datastores that I have and that's working great. The issue now is with the tape backups. I'm wondering if there's anything I can do to speed this up.

I have created three different GFS pools (one for each datastore) and have created one tape backups job per datastore each pointing to their respective GFS pool. The problem I'm having now is that two of the three jobs are idle saying that there are no GFS candidates available and the one job that is running has been running for about right hours now and it's only able 25% of the way through (granted, there's like 12.6 TB worth of data in there but both my repo are hooked up to a 10GbE network). Just wondering if there any work that can be done preemptively to minimize the amount of time this is taking? Right now I basically have another tape drive that's just sitting doing nothing. Would be nice to put it to work. That's kind of why I created independent backups jobs and pools since I know GFS tape jobs won't do parallel processing
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Re: changing of backups design

Veeam Logoby Shestakov » Mon Jan 15, 2018 11:18 am

Do you want to have 3 copies of same backup set on different media pools or you want to distribute backups among the pools?
Thanks!
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Re: changing of backups design

Veeam Logoby lravelo » Mon Jan 15, 2018 11:58 am

What I was really aiming for was just to finish the tape backups job as fast as possible. While reading the documentation, I noticed that GFS pools don't do parallel processing so I'll always have an idle tape drive which doesn't work for me so I created three GFS pools (one for each datastore that is backed up) in order to have at least two tape backups jobs running concurrently.

EDIT:

So I logged on this morning to check the status of the backups. The first one took 24 hours to back up a little over 4TB. The second one has been "idle" for almost 14 hours and has been actually running for over 7 hours and is only at 51%. The last job was stuck on idle for 24 hours and just started building the full backup map about 6.5 hours ago and still isn't done.
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Re: changing of backups design

Veeam Logoby lravelo » Mon Jan 15, 2018 9:58 pm

OK so I think this is one of the culprits for the issue I'm having right now:


When Veeam Backup & Replication executes a GFS job, it performs the following operations:

At 00:00 of the day set in the GFS job schedule the GFS job starts and checks periodically if the source job created a backup:

- If the source job creates a full backup, the GFS job copies it.
- If the source job creates an incremental backup, the GFS job synthesizes a virtual full backup.
- If no backup appears in 24 hours, the GFS job looks for the most recent restore point available. If it is a full backup, the GFS job copies it. If it is an increment, the GFS job uses it to synthesize a virtual full backup.


Specifically the second item on that list. Seems like I either need to move to reverse incrementals or run a full backup prior to the the tape job. Any recommendations? The full backups size for each datastore is 3.3 TB, 5.26 TB, and 4.65 TB respectively.
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Re: changing of backups design

Veeam Logoby Shestakov » Fri Jan 19, 2018 9:16 pm

What I was really aiming for was just to finish the tape backups job as fast as possible. While reading the documentation, I noticed that GFS pools don't do parallel processing so I'll always have an idle tape drive which doesn't work for me so I created three GFS pools (one for each datastore that is backed up) in order to have at least two tape backups jobs running concurrently.

Got it. That makes sense to split the objects between the tape jobs. Just make sure there are more or less equal amount of data written on each media pool.
Seems like I either need to move to reverse incrementals or run a full backup prior to the the tape job. Any recommendations?

Synthetic full is created if source job is on forever forward incremental mode. What backup mode do you use now?
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Re: changing of backups design

Veeam Logoby lravelo » Fri Jan 19, 2018 9:44 pm

Right now I use forever forward incrementals. I have some wiggle room in the backups window though so I can change it if the tape backup duration will shorten
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Re: changing of backups design

Veeam Logoby Shestakov » Sat Jan 20, 2018 7:57 am

Good. So let's give it a try.
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