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тАО05-18-2010 04:56 AM
тАО05-18-2010 04:56 AM
Re: Tape device no more recognized
Thnak you guys,
it was only all about a power connection problem... Now the tape is visible!
By the way.. we disconnected the SCSI cables when both server and tape devices were down, so no problem about hw problems nor any pin damaged.
Thanks
Stefano
it was only all about a power connection problem... Now the tape is visible!
By the way.. we disconnected the SCSI cables when both server and tape devices were down, so no problem about hw problems nor any pin damaged.
Thanks
Stefano
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тАО05-18-2010 04:57 AM
тАО05-18-2010 04:57 AM
Re: Tape device no more recognized
Does ioscan -f show the SCSI card? The -C tape option will indeed filter out everything that is not a tape. I have been fairly lucky in changing cables with power on -- it only fails every 20 times or so. This must have been your time to fail. The high density SCSI connectors are very prone to bent pins and forcing a SCSI connector almost always crushes one or more pins. Occasionally you can straighten them successfully but most of the time, you have to replace the cable, or worse, the I/O card.
Bill Hassell, sysadmin
Bill Hassell, sysadmin
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тАО05-18-2010 05:06 AM
тАО05-18-2010 05:06 AM
Re: Tape device no more recognized
Such bent pins can be terrible.
First you are not sure (you cannot see) if they are really bent or not.
Then this may produce very strange behavior - tape is visible from boot console, but not from OS, it is visible but not working, not visible at all, working but slow, etc ... nasty.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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First you are not sure (you cannot see) if they are really bent or not.
Then this may produce very strange behavior - tape is visible from boot console, but not from OS, it is visible but not working, not visible at all, working but slow, etc ... nasty.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!
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тАО05-18-2010 05:40 AM
тАО05-18-2010 05:40 AM
Re: Tape device no more recognized
It was just a power issue... Sorry if I bothered
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