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Not really the question. If aim the same files at AIT-3 drives on
the other library, I get 140 gb per tape.
AIT-4 should get 200 gb native at least
~ mht
Peter Viertel wrote:
| what sort of files are you backing up?
|
| I use SDLT's and we see gzip files actually get a little larger
| when using hardware compression whilst some other files compress
| much more than 2x.
|
| maybe you could try a test run using the bigasm directive.
|
| -----Original Message----- From: Legato NetWorker discussion
| [mailto:NETWORKER AT listserv.temple DOT edu]On Behalf Of Matt Temple
| Sent: Saturday, 19 November 2005 10:44 AM To:
| NETWORKER AT listserv.temple DOT edu Subject: [Networker] 80 GB on AIT-4
| tapes?
|
|
|
|
| NOTICE This e-mail and any attachments are confidential and may
| contain copyright material of Macquarie Bank or third parties. If
| you are not the intended recipient of this email you should not
| read, print, re-transmit, store or act in reliance on this e-mail
| or any attachments, and should destroy all copies of them.
| Macquarie Bank does not guarantee the integrity of any emails or
| any attached files. The views or opinions expressed are the
| author's own and may not reflect the views or opinions of Macquarie
| Bank.
|
|
| All,
|
| ~ Anyone have any idea why we might be getting about 80 gb
| on our AIT-4 tapes. Consistently 80, 85, 87, etc.
|
| ~ On the thought it might be a particular scsi card and
| driver, I replaced our adaptec card with an LSI-logic one. No
| difference.
|
| ~ Does anyone have any settings for stinit.def for AIT-4,
| or do you use the same as AIT-3? Block sizes?
|
| ~ (By the way -- this is a storage node, we've run it both
| with RH9 and Fedora Core 1 with no differences in behavior.). To
| make matters stranger, we were getting higher density when we first
| got the drives this May.)
|
| ~ Kernel is 2.4.21.2199.5ntlsmp; 4 gb RAM; we're using a
| tape blocksize of 192K as we do with the AIT-3 drives.
|
| ~ By the way -- Networker 7.1.3. Our machine and drives:
|
|
| | Host: scsi2 Channel: 00 Id: 00 Lun: 00 Vendor: QUALSTAR Model: |
| TLS-46120 Rev: 224b Type: Medium Changer | ANSI SCSI
| revision: 02 Host: scsi2 Channel: 00 Id: 01 Lun: 00 | Vendor: SONY
| Model: SDX-900V Rev: 0102 Type: | Sequential-Access
| ANSI SCSI revision: 03 Host: scsi2 | Channel: 00 Id: 02 Lun: 00
| Vendor: SONY Model: SDX-900V | Rev: 0102 Type:
| Sequential-Access ANSI SCSI | revision: 03 Host:
| scsi3 Channel: 00 Id: 03 Lun: 00 Vendor: SONY | Model: SDX-900V
| Rev: 0102 Type: Sequential-Access | ANSI SCSI revision: 03
|
|
|
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does not guarantee the integrity of any emails or any attached files.
The views or opinions expressed are the author's own and may not
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- --
=============================================================
Matthew Temple Tel: 617/632-2597
Director, Research Computing Fax: 617/582-7820
Dana-Farber Cancer Institute mht AT research.dfci.harvard DOT edu
44 Binney Street, LG300/300 http://research.dfci.harvard.edu
Boston, MA 02115 Choice is the Choice!
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