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Re: DEFINE DEVCLASS LTO FORMAT DRIVE
2005-08-19 20:53:47
Yes Larry, you are correct, the format
= drive, gives you the best compression based on the compression thechnology
of the drives and how accepable the data is to compression, for instance
exe,mp3,avi and files like that don´t compress at all, and database files,
text files and logs compress werry well.
"It´s better to aim at perfection
and miss than it is to aim at imperfection and hit it"
 Founder
Thomas J. Watson
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Kær kveðja / Best regards,
Pétur
Eyþórsson · Tæknilegur ráðgjafi
eServer & Storage · Tivoli Advanced Storage Solutons Techical Expert
· MCSE · SNIA Professional ·
SNIA FC-SAN Practitioner · IBM C AIX S · TSM CP · TSRM
CP · TASS DP · IBM SAN P
Sími/tel: +354 569-7700 · GSM: +354 863-0560
www.nyherji.is
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Larry Peifer <peiferlt AT SONGS.SCE DOT COM>
Sent by: "ADSM: Dist Stor Manager"
<ADSM-L AT VM.MARIST DOT EDU>
19.08.2005 17:11
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Please respond to
"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> |
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To
| ADSM-L AT VM.MARIST DOT EDU
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cc
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Subject
| [ADSM-L] DEFINE DEVCLASS
LTO FORMAT DRIVE |
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Seeking clarification on defining a devclass of type
LTO. TSM server is
5.3, new library is 3583 FC with 6 3580 FC LTO2 drives. All tape
volumes
in the library are LTO2. The question revolves around using DEVCL:ASS
FORMAT = DRIVE since we are not mixing LTO1 and LTO2 drives. The
Admin.
reference guide states "the server selects the highest format that
is
supported by the drive on which a volume is mounted". Does that
mean it
will choose compressed format, using Ultrium 2 cartridges (ie ~ 400+G)?
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