Could someone provide a link to this article. Looking through I see
articles by Fred Moore and Jon Toigo (I know both and would consider them to
be my friends). But, I could not find the article being referenced (more
coffee will probably help me with that). I also spent 20 years at STK and
then Sun so I would like to see who this person is and what they are
posting, then I can comment on it.
As another history note STK also had some media problmes with 9840's
when a batch from Imation was bad but it was taken care of. There was also a
problem with 9840c drives reading 9840a media but that was a drive issue
that was fixed.
Carl Swanson
carl.swans...@verizon.net
Mobile: 215.688.1459
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf
Of Ward, Mike S
Sent: Wednesday, March 24, 2010 9:55 AM
To: IBM-MAIN@bama.ua.edu
Subject: Re: Mainframe Executive article on the death of tape
No, I haven't seen a tape failure yet. Except way back when we had a 3490
cartridge smashed and broken in places and the tape was hanging out of it.
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf
Of Pinnacle
Sent: Tuesday, March 23, 2010 5:29 PM
To: IBM-MAIN@bama.ua.edu
Subject: Mainframe Executive article on the death of tape
Anybody read the Mainframe Executive article on the death of tape as a
backup media? The guy writing it used to work for STK and Sun, and now
works for disk-based backup vendors. He says the following:
- 15% of all backups fail (my experience < 1%)
- 10-50% of all restores from tape fail (my experience <1%)
- 40-50% failure when restoring data from tape > 5 years (my experience
again is <1%)
So what are you guys seeing out there? Do we really have mainframe tape
failure rates in the double-digits percentwise? If we do, then the guy is
right and tape is dead, but I just don't buy those figures. What say you?
Regards,
Tom Conley
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