Full backup file merge takes long time

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Full backup file merge takes long time

Veeam Logoby JosueM » Sat May 14, 2016 1:55 pm

Good day everyone,

Recently I install V9 on new server since V8 server failed, I did backup/restore of the jobs to the new server.

One SQL backup job of a 1.6TB VM reports that it takes about 40 mins to process the VM and about 1 hour to "Full backup file merge", backup mode is incremental.

In V8 I did not see that message and the backup usually took about 1 hour total.

Any idea what could be the problem.
JosueM
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Re: Full backup file merge takes long time

Veeam Logoby foggy » Mon May 16, 2016 10:16 am

Josue, could you please tell more about the job in question, does it use forever forward incremental mode, what is the retention setting and when this job was created?
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Re: Full backup file merge takes long time

Veeam Logoby JosueM » Mon May 16, 2016 5:25 pm

Hello Foggy,

On saturday night I scheduled a full backup job, then on sunday night incremental job the message did not appeared. The job has the default settings incremental mode, I think I'll set a full active at least once a month.

Will keep monitoring to be sure if the full backup did solve the issue.

Thanks .
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Re: Full backup file merge takes long time

Veeam Logoby foggy » Tue May 17, 2016 8:43 am

If the original job used forever forward (no full backup scheduled), then merge process on reaching the specified number of restore points is expected.
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Re: Full backup file merge takes long time

Veeam Logoby JosueM » Tue May 17, 2016 4:49 pm

For this large(1.8 TB) SQL VM wich would be the recommended method to backup?
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Re: Full backup file merge takes long time

Veeam Logoby foggy » Tue May 17, 2016 5:06 pm

Backup method should be selected primarily based on your space requirements and target storage capabilities.
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Re: Full backup file merge takes long time

Veeam Logoby JosueM » Wed May 18, 2016 4:09 pm

So it seems reverse incremental would be a better choice to save storage space.
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Re: Full backup file merge takes long time

Veeam Logoby foggy » Wed May 18, 2016 4:11 pm

That's right, it is a more space-effective backup method.
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