>>> On Thu, Jan 8, 2009 at 10:37 AM, in message
<77c4f5c60901080737ka0ee2fbr7f6badc9fc48e4f3@xxxxxxxxxxxxxx>, Bent Terp
<bent@xxxxxxx> wrote:
> Hi list!
>
> While regular backup solutions like amanda or bacula are very good at
> their job, ie keeping point2point copies of the files currently on
> disk, I find them less suited for archiving - having unused files move
> to tape in duplo and stay there until requested. I've even read of
> multi-tier solutions - move to slower disks after a week and further
> on to tape after a month.
>
> Does anyone have some experience or suggestions for this? The project
> will deal with ~100 TB of growth per year, most files somewhere
> between 2 and 50 GB.
>
> Yes, it can be done with everything in one filesystem, but I'm
> concerned about running a full backup every month of 500 TB ;-) Not to
> mention the time required for recovery in case the filesys crashes....
>
> BR Bent
We use SAM-FS to do just that here in the libraries.
http://opensolaris.org/os/project/samqfs/What_are_QFS_and_SAM/
It was open sourced last year. Not a simple tool to implement but it does work as advertised.
Tony Placilla <aplacilla@xxxxxxx>
Sr. UNIX Systems Administrator
The Sheridan Libraries
Johns Hopkins University
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