Nigel Kendrick wrote at about 09:21:03 +0100 on Wednesday, August 19, 2009:
> Morning,
>
> Happy to report that first MSSQL 700MB database dump across ADSL took 433
> mins to complete and resulted in a 130MB compressed file, but the night's
> first full backup took 22mins to sync the changes!
>
> A few things, then I'll leave you all in peace for a while (maybe!):
>
> 1) Spot-checking backups:
>
> Any in-built or documented way to generate or view the MD5 hash of a
> backed-up file so that files in a backup set can be spot-checked against the
> MD5 of the original?
> -- if not, would be a nice feature to be able to click a button or link
> to ask the for hash of a file - I presume this would have to trigger a
> temporary un-compress and MD5 generation procedure
>
I wrote the following bare-bones routine that may or not be helpful to
you. If you are using rsync-based backups then md4sums are stored in a
digest at the end of the file. The attached program can be run against
either your cpool or your pc heirarchy or against individual
files/directories in either the cpool or pc heirarchy.
I have used the program to check for corruption in my pool.
BackupPC_digestVerify.pl
Description: Binary data
> 2) The FAQ states "Rsync running on Cygwin is limited to either 2GB or 4GB
> file sizes".
>
> Does this still hold true (page last modified in 2006) - I am concerned
> because our database dumps are going to grow!
>
> 3) I have a very sturdy Dell PowerEdge 1300 - a dual PIII-450 box - that
> *could* be a backup server, but am I expecting too much for the horsepower?
> This box would sit on a remote site and backup around 10 servers via ADSL
> VPNs
>
> Thanks again - have to say that based on feedback so far you are a friendly
> bunch! Hope I can contribute to the project in some way.
>
> Nigel
>
>
> ------------------------------------------------------------------------------
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