Fwd: rsync --link-dest and --files-from lead by a "change list" from some file system audit tool (Was: Re: cut-off time for rsync ?)
selva.nair at gmail.com
Mon Jul 13 21:38:35 UTC 2015
On Mon, Jul 13, 2015 at 5:19 PM, Simon Hobson <linux at thehobsons.co.uk>
> > What's needed is a file system that can do what hard links do, but at the
> > file page level. I imagine that this would work using the same Copy On
> > Write logic used in managing memory pages after a fork().
> Well some (all ?) enterprise grade storage boxes support de-dup - usually
> at the block level. So it does exist, at a price !
zfs is free and has de-dup. It takes more RAM to support it well, but not
prohibitively so unless your data is more than a few TB. As with any dedup
solution, performance does take a hit and its often not worth it unless you
have a lot of duplication in the data.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the rsync