 | | | using dump | using dump 2005-04-06 - By Burke, Thomas G.
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Hello all,
What's the best way to do backups? Am I better off to use dump, or to just
tar up directory structures? I see that dump is nice in that it will break up
large files automatically (not sure if tar will do that). I assume that tar
defaults to retaining permissions. (I do notice there is -p option)
I ran dump the othe rnight for the 1st time ever (& I've been SysOping for 15
years - always tar'd to tape on Solaris, but my linux machines have no access
to tape drives, so I've always tar'd to disk) & what I see worries me.
I did a (from memory) dump -0 -M /backup/rootdir /
The files that were created came out to much less than what was on the system.
Thinking maybe compression was somehow involved, I dump'd each directory
individually, and found that there was a gross mismatch in overall file size..
I would like to get some help/insight into what's really going on here.
Thanks,
Tom
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