[kwlug-disc] btrfs/zfs for backups

[Paul Nijjar]

On Tue, Dec 02, 2014 at 11:18:35PM -0500, John Johnson wrote:
> >
> >I am officially unhappy with Microsoft DFS replication. Earlier this
> >year I set up a couple of Windows Server 2008 R2 boxes to synchronize
> >big backup files over a wireless link, and it does not work well at
> >all. So now I am re-evaluating, and once again thinking of using some
> >Free Software filesystems for my job.

> Dunno about MS DFS. Dunno about btrfs/zfs. (Added the latter to
> maintain the *ix focus.)
> 
> But, in the past couple of days, I did a [manual] directory [folder]
> copy from one peer PC to another on an MS LAN.
> Then I noted that the timestamp on the parent directory [folder] and
> the  directories [folders] within were all set at the date/time of
> the copy.
> I am of the mind that the timestamp of files and directories are
> part of the contents and the historical record of the same.

The assorted commandline copy utilities do have flags to preserve
timestamps. This is one place where robocopy does a reasonable job.

- Paul

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