Acronis Restore extremely slow (Dedup?)

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Recently setup a backup server for backing 8 workstations.

Acronis Backup 11.5 Advanced Workstation
OS and Acronis running on 120gb SSD
Storage Node on 7x3TB HDD in Raid-6
Managed vault for workstations, backup in a GFS scheme, dedup enabled with database stored on array.
Backup server itself backs up to a unmanaged portion of the Storage Array as a simple backup.

Now backing up works great. Restoring is slow. It is unusable in this state. I have done some testing and found dedup to be the culprit.

Did three tests.

1. Dedup with database on array - Restores at less than 1mb/s (unusable)
2. Dedup with database on SSD - Restores at 10-16mb/s (acceptable but not great)
3. No Dedup - Restores at 30-50mb/s (this is ideal, still slower than I would like)

The whole purpose in these workstation backups is for when hardware fails. I need to be able to get the user back up and running in a timely manner. As my configuration stands complete system restores take 4+ hours. That's unacceptable.

Other than dedup is there something glaringly wrong or I can check as to why my restores are so slow? I am used to using Macrium Reflect where restores saturate the drive or network bandwidth and are very fast.

After my testing I am thinking of disabling dedup.

Mi, 04/09/2014 - 20:26
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Hello Andrew,

thank you for your posting!

Actually it is quite normal, that restoring from the deduplicated archive is slower than from simple archive.

The reason for this is that the program first needs to "undeduplicte" the data and only after that write this data back.

Please make sure that the machine where Storage Node is placed has sufficient resources. Check if increasing of resources change the situation.

If you still think that restoring is unreasonably slow, please contact our support for investigation.

Thank you.

Sa, 04/12/2014 - 09:42
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The backup server is a dedicated bare metal box and has 16GB of RAM, an i5-4670, with the Dedup database on an SSD. Meets all the criteria according to that link. Only thing I could think to add more resources would be to add a dedicated SSD to the dedup database and nothing else.

Mi, 05/07/2014 - 16:10
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