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ian0x0r
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Is there a way to force more than one synthetic full per day

Post by ian0x0r » Oct 13, 2011 11:01 am

Hi,

Is there a way to force more than one syntehtic full backup on an incremental job per day. For example, If I was to run an incremental job every hour, with 3 recovery points, I will end up with 24 VIB's before the next days syntehtic full backup runs. It would be useful if the syntehtic full could be scheduled more regularly.

Sorry if ive overlooked a topic about this already, I couldnt find anything specifically about this though.

Thanks

Ian
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foggy
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Re: Is there a way to force more than one synthetic full per

Post by foggy » Oct 13, 2011 11:07 am

Ian, currently there's no way to perform synthetic fulls more often than daily.

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Re: Is there a way to force more than one synthetic full per

Post by ThomasMc » Oct 13, 2011 12:51 pm

PowerShell?

Code: Select all

Get-VBRJob | WHERE {$_.name -eq "JobToRun"} | Start-VBRJob -FullBackup

ian0x0r
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Re: Is there a way to force more than one synthetic full per

Post by ian0x0r » Oct 13, 2011 12:54 pm

Does that perform an active full or a synthetic full though? An active full does not seem to remove the incremental chain.

Thanks for suggestion.

Ian
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ThomasMc
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Re: Is there a way to force more than one synthetic full per

Post by ThomasMc » Oct 13, 2011 12:55 pm

ian0x0r wrote:Does that perform an active full or a synthetic full though? An active full does not seem to remove the incremental chain.

Thanks for suggestion.

Ian
Sorry Ian, I wouldn't know just floating the idea :)

foggy
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Re: Is there a way to force more than one synthetic full per

Post by foggy » Oct 13, 2011 12:56 pm

Right, this will trigger an active full, not a synthetic one.

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Re: Is there a way to force more than one synthetic full per

Post by ThomasMc » Oct 13, 2011 1:36 pm

foggy wrote:Right, this will trigger an active full, not a synthetic one.
Well that takes care of that then :D

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Re: Is there a way to force more than one synthetic full per

Post by Sethbartlett » Oct 14, 2011 1:23 pm

If you are wanting to keep a retention policy like 3 points and doing multiple runs per day or even running daily, your best bet would usually be reversed incremental then. It will do the synthetic basically every run and keep your retention policy at 3.
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ian0x0r
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Re: Is there a way to force more than one synthetic full per

Post by ian0x0r » Oct 17, 2011 7:41 am

Reversed incrementals are good, however this was for a crazy scenario where the VBK file is 1TB, but the VIB's were maybe 1Gig. Was looking to take changed data off site over WAN link during the day, and then probably the full VBK during the evening. This was going to work on a time stamp basis. If I did it with reverse incremental, then it would try and copy the 1TB vbk every time :/.

No worries though, think im going to do it a different way now. Was curious to see if you could force the incremental chain rollup TBH.

Thanks for help as always.

Ian
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Vitaliy S.
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Re: Is there a way to force more than one synthetic full per

Post by Vitaliy S. » Oct 17, 2011 1:00 pm

Hi Ian, what were you planning to use as an offsite replication tool? Have you considered using reversed incremental backup mode + rsync to send changed blocks only?

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Re: Is there a way to force more than one synthetic full per

Post by ian0x0r » Oct 17, 2011 1:12 pm

Vitaliy S. wrote:Hi Ian, what were you planning to use as an offsite replication tool? Have you considered using reversed incremental backup mode + rsync to send changed blocks only?
So does this still work if the name of the VBK is changing when the reverse incremental runs? Do you need to hard code the name somehow?

Thanks,

Ian

EDIT: Just been looking through the forums, ive seen how you do this now. Now for the silly part. COuld this be used to copy the changes from VBK and ALSO maintain a VRB reverse incremental chain? So copy block changes from VBK and copy VRBs? Is the name of the VBK file going to break the reversed incremental chain?

Thanks
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Re: Is there a way to force more than one synthetic full per

Post by Vitaliy S. » Oct 17, 2011 1:48 pm

I don't think you need to do that, basically the rsync script should look like this.

ian0x0r
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Re: Is there a way to force more than one synthetic full per

Post by ian0x0r » Oct 17, 2011 1:53 pm

Thats the topic I looked at :)


The only reason I was looking to also copy the VRB's was to have the ability to roll back more than the latest reversed incremental VBK. I know what I am asking for is essentially Veeam replication :P, but syncing backups instead.

Thanks for help,

Ian
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Re: Is there a way to force more than one synthetic full per

Post by Vitaliy S. » Oct 17, 2011 1:58 pm

ian0x0r wrote:Is the name of the VBK file going to break the reversed incremental chain?
I don't think it is going to break anything. There is no hardcoded reference to the VBK file name when you import the backup chain to the Veeam console.

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