Very slow restore for large files

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rob_levine
Posts: 2
Joined: Sat May 14, 2016 3:13 pm

Very slow restore for large files

Post by rob_levine » Sat May 14, 2016 3:21 pm

Hi,

I've noticed backup4all is very slow at restoring large files.

I have tried to restore a single 110GB file from a backup a few times, and this generally takes about 5-6 hours.
The backup is configured as incremental (although this is the first in the series, so it is actually a full backup); it is also set as uncompressed and the files are set to split as 2GB files.
Both source and destination are local SATA6 drives, and I have lots (>250GB) free on source, destination and system drives.

If I manually unzip the constituent zips that make up this backup, they take less than 15s each, so I have no idea why backup4all is so slow.

Is this expected performance? Assuming not, any idea what I can try to speed this up?

Thanks,

Rob

Support
Posts: 1491
Joined: Wed Dec 16, 2009 12:46 pm
Location: Cluj-Napoca, Romania
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Re: Very slow restore for large files

Post by Support » Wed May 18, 2016 12:01 pm

Hi,

Can you send us the last restore log to support[at]backup4all[dot]com?

rob_levine
Posts: 2
Joined: Sat May 14, 2016 3:13 pm

Re: Very slow restore for large files

Post by rob_levine » Sat May 21, 2016 12:56 pm

Sent, as requested. Thanks.

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