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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