I'm curious if anyone has any thoughts on how I can handle a data
retention issue I've been facing with a larger dataset.
My process, roughtly is run mysqldump against the DB and gzip the
output. Then I transfer it off to a different machine for archival
onto optical media (yes I know there's a shelf of the media life
involved there). This is a secondary backup to the backup I'm doing
for system recovery purposes - not the only method of backup, but I
don't have access to that storage system as it's provided via the ISP.
Recently the file has gotten so big it doesn't fit on a standard DVD-R
media any longer. I've considered only backing up key data, but for
the archive it's much more convenient to have the entire structure
intact in one location - additionally, we occasionally build a test
machine from this data so it's integrity is moderately important.
Ideally, I'd like to be able to script the compression and slicing
right on the server that does the backup, but I realize this may not
be possible.
I'm looking at using RAR to archive the output file and slice it into
smaller segments so I can distribute the data over 2 DVD-R (or
multiple CD-R's if so desired.)
Does anyone have any feedback on this approach? Without laying out
money for a higher capacity DVD/BlueRay drive or tape backup system,
what options are you using for data retention?
have a look at the split command so that the output goes into more than
1 file
eg
mysqldump -e -u user -ppassword databasename | split -b 1024m
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