[CentOS] backups and md5 all in one while splitting
Ruslan Sivak
rsivak at istandfor.com
Fri Nov 9 18:11:15 UTC 2007
Ray Van Dolson wrote:
> On Fri, Nov 09, 2007 at 12:53:00PM -0500, Ruslan Sivak wrote:
>
>> I'm trying to back up our svn repositories, and I found a nice little
>> backup command line bzip's the backup and creates the md5 hash all in one:
>>
>> svnadmin dump --deltas /repo |bzip2 |tee dump.bz2 | md5sum >dump.md5
>>
>> The problem is I need to split the backups, so this doesn't really work.
>> Is there perhaps another way of piping things to allow for splitting of the
>> backups? Currently I'm doing something like this
>>
>> svnadmin dump --deltas /repo |bzip2 |split - -b 64m
>> cat *.bz2* | md5sum >dump.md5
>>
>> Is there a way to do this all in one step?
>>
>
> Would something as simple as:
>
> svnadmin dump --deltas /repo | bzip2 | split - -b 64m && cat *.bz2* | md5sum >dump.md5
>
> Work for you? :)
>
> Ray
>
Good idea, but no. The idea is to minimize disk IO, so I don't want to
read the files that I just wrote. I wish tee had a split option...
Russ
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