[Nottingham] Backups: How do you do yours?

Martin martin at ml1.co.uk
Wed Mar 16 16:24:11 UTC 2011

On 16 March 2011 15:51, Chris Burton <Chris at 7of9b.org> wrote:
>> The hard links mean that you can change the contents of the source
>> file and then that change is immediately seen for all the other file
>> names that link to that inode.
> It doesnt work that way with rsync, it deletes a hard linked file so you end
> up with one copy per revision (unless it changes back).

OK, that's confused me!... My assumption is that you only would use
"cp -al" as a "poor man's snapshot" to hold a consistent filesystem
tree of a live filesystem whilst you then run rsync on that to next
copy the data elsewhere. You can't hard link across different
disks/partitions for a backup.


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