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тАО08-15-2005 03:36 AM
тАО08-15-2005 03:36 AM
SDLT reliability
One of his clients has had their drive replaced four or five times, along with media replaced by HP because of tape-edge damage.
Has anybody else had less than optimal performance out of their SDLT drives?
(The drive that the customer who's suffered so many replacements is at the current firmware version and is suffering parity errors on new, HP-supplied, Quantum tapes.)
Thanks in advance
Steve
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тАО08-15-2005 01:58 PM
тАО08-15-2005 01:58 PM
Re: SDLT reliability
yep, I've had to have an SDLT drive replaced 5 or six times.
Hp have blamed the tapes, however it is always the same drive that need replacing (I have 4),
and different tapes have been used.
The backup will run ok and then after a variable ammount of time (ie not always at the same point) the backup will fail.
Matt
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тАО08-15-2005 04:52 PM
тАО08-15-2005 04:52 PM
Re: SDLT reliability
Peter Q
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тАО08-15-2005 06:30 PM
тАО08-15-2005 06:30 PM
Re: SDLT reliability
We've had no drive swap outs yet and have had about half of the drives since they became available (so a mixture of Compaq and HP badges).
About 6 of the 10 units are used daily.
I think the MTBF for SDLT media is the same as DLT.
Do you use a cleaning tape on the drives regularly? I've been told only to clean them when asked.
Kind Regards
John.
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тАО08-15-2005 07:04 PM
тАО08-15-2005 07:04 PM
Re: SDLT reliability
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тАО08-15-2005 07:16 PM
тАО08-15-2005 07:16 PM
Re: SDLT reliability
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тАО08-15-2005 08:07 PM
тАО08-15-2005 08:07 PM
Re: SDLT reliability
In general, they've been better than previous drives (DLT III, DLTIV) but still do require the ocassional swap out or jammed tape.
Robert.
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тАО08-15-2005 08:47 PM
тАО08-15-2005 08:47 PM
Re: SDLT reliability
For the client that's had four or five drives, no problems with the SCSI bus or the adapter are indicated. The client has had a brand new Quantum tape that has failed, the tape being replaced after the previous one suffered tape edge damage.
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тАО08-16-2005 10:30 PM
тАО08-16-2005 10:30 PM
Re: SDLT reliability
A quote from a former colleague who worked in DEC tape engineering (TK70 etc) will always stick in my mind. He was asked at a DECUS what he thought of exabyte drives. Without blinking, he responded... "They are great for backups.... But terrible for restores...." Nuff said...
q
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тАО08-17-2005 02:16 AM
тАО08-17-2005 02:16 AM