[nflug] mt

[eric at bootz.us]

hmm it has the same hardware setup when it was working on win2000 server
here is what it looks like through debian:

Host: scsi1 Channel: 04 Id: 06 Lun: 00
Vendor: HP       Model: Ultrium 1-SCSI   Rev: E21V
Type:   Sequential-Access                ANSI SCSI revision: 03

does it look alright?

> Is the device properly terminated? with the proper cable for the scsi
> bus speed/type used? i.e. you can't use a regular ultrawide cable when
> running LVD, U80, U160 or U320 as those require the twist style (think
> lots of twisted pairs in one big honkin cable) cables.  same with
> terminators.  a SE terminator causes issues on an LVD bus and vs.
> versus.
>
>
> --- eric <eric at bootz.us> wrote:
>
>> Looks good right?
>>
>> >cat /proc/scsi/scsi
>> Attached devices:
>> Host: scsi1 Channel: 00 Id: 00 Lun: 00
>>   Vendor: MegaRAID Model: LD 0 RAID5  173G Rev: 198U
>>   Type:   Direct-Access                    ANSI SCSI revision: 02
>> Host: scsi1 Channel: 04 Id: 06 Lun: 00
>>   Vendor: HP       Model: Ultrium 1-SCSI   Rev: E21V
>>   Type:   Sequential-Access                ANSI SCSI revision: 03
>>
>>
>> >dmesg | grep scsi
>> Attached scsi tape st0 at scsi1, channel 4, id 6, lun 0
>>
>>
>>
>> eric wrote:
>>
>> >here is more of the fun:
>> >
>>
>>--------------------------------------------------------------------------------------------------------------
>> >st0: Error 400f3(sugg. bt 0x0, driver bt 0x0, host bt 0x4)
>> >st0: Error with Sense Data: Current st0: Sense Key Unit Attention
>> >Additional sense: Power on, reset, or bus device reset occurred
>>
>>--------------------------------------------------------------------------------------------------------------
>> >
>> >Maybe I have scsi plugged in wrong? lost...
>> >
>> >eric wrote:
>> >
>> >
>> >
>>
>>>http://lists.us.dell.com/pipermail/linux-poweredge/2003-December/011678.html
>> >>this is all I could google and no threads to his question ever came
>> about.
>> >>
>> >>The tape drive I have is a Dell PowerVault 110t -LTO
>> >>dang!
>> >>
>> >>
>> >>Cyber Source wrote:
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>>eric wrote:
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>>Funny thing, I can rewind my tape(mt -f /dev/st0 status), but
>> when I try
>> >>>>to erase I get this error
>> >>>>
>> >>>>
>> >>>>The Command->      mt -f /dev/st0 erase
>> >>>>The Error->              mt: /dev/st0: Input/output error
>> >>>>
>> >>>>any clues?
>> >>>>thanks,
>> >>>>eric
>> >>>>
>> >>>>Cyber Source wrote:
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>>eric wrote:
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>>I was wondering, does this status look good, the zeros mean
>> success
>> >>>>>>right? But should I be worried about Density code(unknown)?
>> This
>> >>>>>>is my
>> >>>>>>first attempt to use linux to back up on a magnetic drive I
>> used
>> >>>>>>ntbackup before, so I kinda need some help.  Should I be using
>> >>>>>>/dev/st0
>> >>>>>>instead? Thanx, eric.
>> >>>>>>
>> >>>>>>
>> >>>>>>MYHOSTNAME:/# mt -f /dev/nst0 status
>> >>>>>>drive type = Generic SCSI-2 tape
>> >>>>>>drive status = 1073741824
>> >>>>>>sense key error = 0
>> >>>>>>residue count = 0
>> >>>>>>file number = 0
>> >>>>>>block number = 0
>> >>>>>>Tape block size 0 bytes. Density code 0x40 (unknown).
>> >>>>>>Soft error count since last status=0
>> >>>>>>General status bits on (41010000):
>> >>>>>>BOT ONLINE IM_REP_EN
>> >>>>>>
>> >>>>>>_______________________________________________
>> >>>>>>nflug mailing list
>> >>>>>>nflug at nflug.org
>> >>>>>>http://www.nflug.org/mailman/listinfo/nflug
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>From the st man page...
>> >>>>
>> >>>>
>> >>>>>/dev/st*  : the auto-rewind SCSI tape devices
>> >>>>>/dev/nst* : the non-rewind SCSI tape devices
>> >>>>>
>> >>>>>_______________________________________________
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>> >>>>>nflug at nflug.org
>> >>>>>http://www.nflug.org/mailman/listinfo/nflug
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>_______________________________________________
>> >>>>nflug mailing list
>> >>>>nflug at nflug.org
>> >>>>http://www.nflug.org/mailman/listinfo/nflug
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>I have one scsi tape drive that works well (FINALLY) and one that
>> >>>still isnt working. The one that is, is a dds4 and the one that
>> isnt
>> >>>is a dds2 (tapes that is). Reading the man pages on mt and st are
>> >>>enough to get the WTF??!! response out of me. Cleaning the drive
>> is
>> >>>very important, make sure you have a cleaning tape and run it. It
>> may
>> >>>be incompatible media, etc.. Make sure you have the right media
>> and
>> >>>the bs is set right. And when/if you find some clues to it, clue
>> me in
>> >>>will ya? lol Thanks. If I manage to get to the one that isnt
>> working
>> >>>(when the guy pays me, I might look into it further) and I figure
>> it
>> >>>out, I will let you know.
>> >>>_______________________________________________
>> >>>nflug mailing list
>> >>>nflug at nflug.org
>> >>>http://www.nflug.org/mailman/listinfo/nflug
>> >>>
>> >>>
>> >>>
>> >>>
>> >>_______________________________________________
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>> >>
>> >>
>> >>
>> >>
>> >
>> >_______________________________________________
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>> >
>> >
>>
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>
>
> Dave J. Andruczyk
>
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