Kelly,

        How often should I refresh my ### Terabytes of longterm storage?

Jeff

> -----Original Message-----
> From: Kelly Lipp [SMTP:lipp AT STORSOL DOT COM]
> Sent: Tuesday, February 12, 2002 10:15 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Re: Backup Sets for Long Term Storage
>
> I  believe the key to long term storage is the notion of data refreshment
> on
> the tapes.  With reclamation, we get that.  If archive data is mixed with
> backup data we get reclamation due to backup retention policies being much
> less (typically) than archive.  Some will argue that moving this data
> around
> isn't efficient, but if ensuring that data can be read is the goal, moving
> it around occasionally is important.
>
> Kelly J. Lipp
> Storage Solutions Specialists, Inc.
> PO Box 51313
> Colorado Springs, CO 80949
> lipp AT storsol DOT com or kelly.lipp AT storserver DOT com
> www.storsol.com or www.storserver.com
> (719)531-5926
> Fax: (240)539-7175
>
>
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> Seay, Paul
> Sent: Tuesday, February 12, 2002 6:36 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: Backup Sets for Long Term Storage
>
>
> I would not put something I wanted to keep that long on "doggies little
> toy"
> or "ate my momma".  You get the picture.  I do not think DLT and 8mm are
> reliable enough to be comfortable that they will be able to be restored
> that
> far out.  This is a nasty problem for all of us.  LTO is too new to bet on
> and we are limited by what we can do.  In the mainframe world you archive
> the stuff and just keep some tape drives around.  Open is different.  The
> issue is the vendors have not stepped up to the fact that open has
> longterm
> data now, just like a mainframe.
>
> -----Original Message-----
> From: Haskins, Mike [mailto:mhaskins AT AGWAY DOT COM]
> Sent: Tuesday, February 12, 2002 7:10 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Backup Sets for Long Term Storage
>
>
> Our TSM server has a 3494 library with 3590 tape drives.  Now faced with
> meeting long term storage requirements (7+ years), I am looking at
> generating backup sets to accomplish this.  Since backup sets can be used
> for stand-alone restores from a backup-archive client, I am thinking that
> a
> different media type would be better than 3590.  There's not much chance
> that many of my nodes could have access to a 3590 drive. DLT or 8mm seem
> more appropriate.  Any experiences or opinions would be appreciated.


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