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foggy
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Re: Source backup file has different block size

Post by foggy » Jul 28, 2017 3:54 pm

Correct, as stated above, you either need to recreate the backup copy job with the new block size or revert the block size on the original jobs and perform active full.

Anguel
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Re: Source backup file has different block size

Post by Anguel » Jul 28, 2017 8:49 pm

Thank you for the confirmation, foggy.
BTW, is there any statistical data about local vs LAN target ragarding incrementals size, deduplication ratio (I suppose deduplication will be done only in the backup copy job) and performance, especially regarding endpoint backup?
It would help to be able to make the decision if the change is worth all the work.

foggy
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Re: Source backup file has different block size

Post by foggy » Jul 31, 2017 11:04 am

The block size is half less for LAN target, so the size of incremental backups will also be smaller, depending on the changes pattern. In terms of performance, it will require up to double I/O, since the number of blocks will increase.

B.F.
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[MERGED] Backup Copy incorrect block size

Post by B.F. » Feb 01, 2019 3:43 pm

Greetings,

Here is the error I'm getting from our Backup Copy job

"Source backup file has different block size. Expected block size: 512, actual: ([backup name: <blah blah>, block size: 1024])"

I've since changed the backup job from local target (1024) to LAN (512) and let it backup a few times. However, I'm still getting the error.

What am I missing to get them back in sync?

Thanks!

Gostev
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Re: Source backup file has different block size

Post by Gostev » Feb 01, 2019 4:03 pm

@B.F. kindly please search for the error before creating a new topic in the future. Thanks!

oliverL
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[MERGED] Source backup file has different block size

Post by oliverL » May 13, 2019 11:33 am

Hey there,

i have a Backup Copy Job in my Lab-Environment where it seems that one VM-Backup can't be transferred as it is the whole time in the pending status.

The Action for this one VM in the Backup Copy Job gives me the following hint:

Source backup file has different block size. Expected block size 1024, actual: ([backup name: Backup Job name, block size: 512]).

Unfortunately i don't know what to do with these Information - is there something wrong with my Repositorys on both sides?

My Source Repository is a NTFS Dedup formatted with /L:64K and my Target-Repository is formatted with ReFS and Dedup enabled, is that a Problem? Should i rather use the same Filesystem on both sides if Dedup is used?

Many thanks :-)
Oliver

veremin
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Re: Source backup file has different block size

Post by veremin » May 13, 2019 3:38 pm

Kindly, check the answers provided above. Thanks!

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