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How to read Cache tapes?

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Tim Gerhard
How to read Cache tapes?
on Sep 2, 2016 at 8:08:27 pm

Hello All,

I was an exhibitor at NAB 2016 for my MagStor LTO tape products I sell, and I had a lot of people telling me they had several Cache tapes and no device to read them. I work with a tape forensics company sometimes and they have a method to do this, but charge quite a lot.

Does anyone know a good way to get Cache tapes read without an actual Cache? I'd like to be able to tell people an easier solution so they can move to LTFS.

Tim Gerhard
Magnext
614-433-0011 x114
tgerhard@magnext.com


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Martin Greenwood
Re: How to read Cache tapes?
on Sep 2, 2016 at 9:45:13 pm

YoYottaID LTFS includes the ability to read TAR tapes and will auto detect and restore Cache-A archives. Then you can write new LTFS archives.

http://yoyotta.com/help/restoreTAR.html

Martin

CTO

YoYotta


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Tom Goldberg
Re: How to read Cache tapes?
on Sep 3, 2016 at 2:40:12 pm

Tim,

Cache-A never wrote tapes in any proprietary format. Early Cache-A tapes were all written in TAR. With the advent of LTFS, users were given the option to format tapes either as TAR or LTFS on a tape-by-tape basis.

Cache-A TAR tapes did have an index for directory information - a full description of our TAR tapes can be found at http://tomgoldberg.net/Cache-A/CATechBrief-ReadCAtar.pdf

Cache-A LTFS tapes fully conform to that standard and can be read on any LTFS device.

Tom Goldberg
TGCS
30201 Rainbow Hill Rd.
Evergreen, CO 80439
mailto:tomgoldberg@gmail.com
http://tomgoldberg.net




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Tim Jones
Re: How to read Cache tapes?
on Sep 7, 2016 at 10:18:16 pm

TOLIS Group's "ArGest IngestPRO" tool is designed to provide easy to use recovery of TAR, LTFS, and BRU formatted tapes as well as disk to disk copy. We have a specific setting for Cache-A tar tapes as well as the recognition of improperly formatted LTFS tapes that would normally fail to mount on OS X systems. IngestPRO works with any vendor's tape drive or library.

Tim
--
Tim Jones
CTO - TOLIS Group, Inc.
http://www.tolisgroup.com
BRU ... because it's the RESTORE that matters!


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