 | | | Linux 8.0 - scsi tape drive | Linux 8.0 - scsi tape drive 2004-03-27 - By Mayur Patel
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Thanks Cokey !
You got hammer in a nail.
>Well, looks to me like either you don 't have a tape in the drive or it
>doesn 't know there 's a tape there. Did you actually 'load ' a tape? I
>don 't mean put tapes in the cart. and load the cart. into the changer, I
>mean cause the changer to load a tape in the actual tape drive.
I put tapes in the cart but never loaded. :lol
Thanks for direction?
Cokey de Percin <fdepercin@(protected) > wrote:On Thu, 2004-03-25 at 22:12, Mayur Patel wrote:
> HI...
>
> This is my first posting so not sure if posting in correct place or not. Please advise if not.
>
> I want to use HP DAT 24X6 SCSI tape drive with Linux 8.0. I 've attached the tape drive with linux but getting following error.
>
> can someone please educate how the scsi tape drive installation works in linux ?
>
> can someone please classified below output with his/her suggestion/comments ?
>
> Thanks in advance for your help. I 'd follow up if i need to provide any more information.
>
> thanks again. please help.
>
>
> [BDC root]# mt -f /dev/st0 status
> SCSI 2 tape drive:
> File number=-1, block number=-1, partition=0.
> Tape block size 0 bytes. Density code 0x0 (default).
> Soft error count since last status=0
> General status bits on (50000):
> DR_OPEN IM_REP_EN
>
> [BDC root]# more /proc/scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 03 Lun: 00
> Vendor: HP Model: C1557A Rev: U812
> Type: Sequential-Access ANSI SCSI
> revision: 02
> Host: scsi0 Channel: 00 Id: 03 Lun: 01
> Vendor: HP Model: C1557A Rev: U812
> Type: Medium Changer ANSI SCSI
> revision: 02
> [BDC root]# uname -r
> 2.4.18-14
> [BDC root]# tar cvf /dev/st0 /etc
> tar: Removing leading `/ ' from member names
> etc/
> etc/sysconfig/
> etc/sysconfig/network-scripts/
> etc/sysconfig/network-scripts/ifup-aliases
> tar: /dev/st0: Wrote only 0 of 10240 bytes
> tar: Error is not recoverable: exiting now
>
> [BDC root]# mt -f /dev/nst0 status
> SCSI 2 tape drive:
> File number=-1, block number=-1, partition=0.
> Tape block size 0 bytes. Density code 0x0 (default).
> Soft error count since last status=0
> General status bits on (50000):
> DR_OPEN IM_REP_EN
>
> [BDC root]# mt -f /dev/nst1 status
> /dev/nst1: No such device or address
>
> [BDC root]# mt -f /dev/nst0 status
> SCSI 2 tape drive:
> File number=-1, block number=-1, partition=0.
> Tape block size 0 bytes. Density code 0x0 (default).
> Soft error count since last status=0
> General status bits on (50000):
> DR_OPEN IM_REP_EN
> ****
> File number=-1, block number=-1 < < < < < < < those are negative -1
> Do you Yahoo!?
>
http://taxes.yahoo.com/filing.html
> Yahoo! Finance Tax Center
> - File online. File on time.
Well, looks to me like either you don 't have a tape in the drive or it
doesn 't know there 's a tape there. Did you actually 'load ' a tape? I
don 't mean put tapes in the cart. and load the cart. into the changer, I
mean cause the changer to load a tape in the actual tape drive. If
there is a tape in the drive (as opposed to the changer) you should get
this:
gandolf:/# mt -f /dev/nst0 status
SCSI 2 tape drive:
File number=-1, block number=-1, partition=0.
Tape block size 0 bytes. Density code 0x25 (DDS-3). < < < notice this
Soft error count since last status=0
General status bits on (1010000):
ONLINE IM_REP_EN < < < notice this
In order to 'load ' a tape from the changer cart. you need to use the mtx
command (mtx-1.2.16-2 for 7.3) and in order to use it, you need to know
the sg# for the drive & changer.
I use 'sgcheck ' (scsi-1.7.... ) which will give you something like this:
gandolf:/# sgcheck
Assignment of generic SCSI devices,
device host/channel/ID/LUN type(numeric type) vendor model:
/dev/sg0 0/0/0/0 Direct-Access SEAGATE ST34501W
/dev/sg1 1/0/4/0 Sequential-Access HP C1557A
/dev/sg2 1/0/4/1 Medium Changer HP C1557A
/dev/sg3 1/0/5/0 CD-ROM YAMAHA CRW8824S
/dev/sg4 1/0/6/0 CD-ROM TOSHIBA DVD-ROM SD-M1401
/dev/sg5 2/0/1/0 Processor HP C2520A
Note that the drive and the changer have the same scsi id, but different
luns. The changer is usually 1 while the drive is 0.
The syntax to load a tape with mtx is (for my situation):
mtx -f /dev/sg2 load 1 0; this loads the first tape from the
changer into the drive
mtx -f /dev/sg2 status ; gives a status, this:
gandolf:/# mtx -f /dev/sg2 status
Storage Changer /dev/sg2:1 Drives, 6 Slots ( 0 Import/Export )
Data Transfer Element 0:Full (Storage Element 1 Loaded)
Storage Element 1:Empty
Storage Element 2:Full
Storage Element 3:Full
Storage Element 4:Full
Storage Element 5:Full
Storage Element 6:Full
Now that there 's a tape in the actual drive, you cat tar to it in the
normal way.
mtx -f /dev/sg2 unload ; put the tape back
Best
Cokey
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CSC Work - cdeperci@(protected)
Columbia, South Carolina Home - fdepercin@(protected)
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Do you Yahoo!?
Yahoo! Finance Tax Center - File online. File on time.
<DIV > <FONT size=2 > <FONT size=2 >
<P >Thanks Cokey ! </P >
<P >You got hammer in a nail. </P >
<P >>Well, looks to me like either you don 't have a tape in the drive or it <BR >>doesn 't know there 's a tape there. Did you actually 'load ' a tape? I <BR >>don 't mean put tapes in the cart. and load the cart. into the changer, I <BR >>mean cause the changer to load a tape in the actual tape drive. </P > </FONT >
<P >I put tapes in the cart but never loaded. :lol </P >
<P >Thanks for direction?/P > </FONT > <BR > <BR > <B > <I >Cokey de Percin <fdepercin@(protected)> </I > </B > wrote:
<BLOCKQUOTE class=replbq style= "PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid " >On Thu, 2004-03-25 at 22:12, Mayur Patel wrote: <BR >> HI... <BR >> <BR >> This is my first posting so not sure if posting in correct place or not. Please advise if not. <BR >> <BR >> I want to use HP DAT 24X6 SCSI tape drive with Linux 8.0. I 've attached the tape drive with linux but getting following error. <BR >> <BR >> can someone please educate how the scsi tape drive installation works in linux ? <BR >> <BR >> can someone please classified below output with his/her suggestion/comments ? <BR >> <BR >> Thanks in advance for your help. I 'd follow up if i need to provide any more information. <BR >> <BR >> thanks again. please help. <BR >> <BR >> <BR >> [BDC root]# mt -f /dev/st0 status <BR >> SCSI 2 tape drive: <BR >> File number=-1, block number=-1, partition=0. <BR >> Tape block size 0 bytes. Density code 0x0 (default). <BR >> Soft error count!
since
last status=0 <BR >> General status bits on (50000): <BR >> DR_OPEN IM_REP_EN <BR >> <BR >> [BDC root]# more /proc/scsi/scsi <BR >> Attached devices: <BR >> Host: scsi0 Channel: 00 Id: 03 Lun: 00 <BR >> Vendor: HP Model: C1557A Rev: U812 <BR >> Type: Sequential-Access ANSI SCSI <BR >> revision: 02 <BR >> Host: scsi0 Channel: 00 Id: 03 Lun: 01 <BR >> Vendor: HP Model: C1557A Rev: U812 <BR >> Type: Medium Changer ANSI SCSI <BR >> revision: 02 <BR >> [BDC root]# uname -r <BR >> 2.4.18-14 <BR >> [BDC root]# tar cvf /dev/st0 /etc <BR >> tar: Removing leading `/ ' from member names <BR >> etc/ <BR >> etc/sysconfig/ <BR >> etc/sysconfig/network-scripts/ <BR >> etc/sysconfig/network-scripts/ifup-aliases <BR >> tar: /dev/st0: Wrote only 0 of 10240 bytes <BR >> tar: Error is not recoverable: exiting now <BR >> <BR >> [BDC root]# mt -f /dev/nst0 status <BR >> SCSI 2 tape drive: <BR >> File number=-1, block number=-1, partition=0. <BR >> Tape block size 0 b!
ytes.
Density code 0x0 (default). <BR >> Soft error count since last status=0 <BR >> General status bits on (50000): <BR >> DR_OPEN IM_REP_EN <BR >> <BR >> [BDC root]# mt -f /dev/nst1 status <BR >> /dev/nst1: No such device or address <BR >> <BR >> [BDC root]# mt -f /dev/nst0 status <BR >> SCSI 2 tape drive: <BR >> File number=-1, block number=-1, partition=0. <BR >> Tape block size 0 bytes. Density code 0x0 (default). <BR >> Soft error count since last status=0 <BR >> General status bits on (50000): <BR >> DR_OPEN IM_REP_EN <BR >> **** <BR >> File number=-1, block number=-1 <<<<<<< those are negative -1 <BR >> Do you Yahoo!? <BR >>
http://taxes.yahoo.com/filing.html
<BR >> Yahoo! Finance Tax Center <BR >> - File online. File on time. <BR > <BR >Well, looks to me like either you don 't have a tape in the drive or it <BR >doesn 't know there 's a tape there. Did you actually 'load ' a tape? I <BR >don 't mean put tapes in the cart. and load the cart. !
into the
changer, I <BR >mean cause the changer to load a tape in the actual tape drive. If <BR >there is a tape in the drive (as opposed to the changer) you should get <BR >this: <BR > <BR >gandolf:/# mt -f /dev/nst0 status <BR >SCSI 2 tape drive: <BR >File number=-1, block number=-1, partition=0. <BR >Tape block size 0 bytes. Density code 0x25 (DDS-3). <<< notice this <BR >Soft error count since last status=0 <BR >General status bits on (1010000): <BR >ONLINE IM_REP_EN <<< notice this <BR > <BR >In order to 'load ' a tape from the changer cart. you need to use the mtx <BR >command (mtx-1.2.16-2 for 7.3) and in order to use it, you need to know <BR >the sg# for the drive & changer. <BR > <BR >I use 'sgcheck ' (scsi-1.7.... ) which will give you something like this: <BR > <BR >gandolf:/# sgcheck <BR > <BR >Assignment of generic SCSI devices, <BR >device host/channel/ID/LUN type(numeric type) vendor model: <BR > <BR >/dev/sg0 0/0/0/0 Direct-Access SEAGATE ST34501W <BR >/dev/sg1 1/0/4/0 Sequential-Access HP
C1557A <BR >/dev/sg2 1/0/4/1 Medium Changer HP C1557A <BR >/dev/sg3 1/0/5/0 CD-ROM YAMAHA CRW8824S <BR >/dev/sg4 1/0/6/0 CD-ROM TOSHIBA DVD-ROM SD-M1401 <BR >/dev/sg5 2/0/1/0 Processor HP C2520A <BR > <BR >Note that the drive and the changer have the same scsi id, but different <BR >luns. The changer is usually 1 while the drive is 0. <BR > <BR >The syntax to load a tape with mtx is (for my situation): <BR > <BR >mtx -f /dev/sg2 load 1 0; this loads the first tape from the <BR >changer into the drive <BR > <BR >mtx -f /dev/sg2 status ; gives a status, this: <BR > <BR >gandolf:/# mtx -f /dev/sg2 status <BR >Storage Changer /dev/sg2:1 Drives, 6 Slots ( 0 Import/Export ) <BR >Data Transfer Element 0:Full (Storage Element 1 Loaded) <BR >Storage Element 1:Empty <BR >Storage Element 2:Full <BR >Storage Element 3:Full <BR >Storage Element 4:Full <BR >Storage Element 5:Full <BR >Storage Element 6:Full <BR > <BR >Now that there 's a tape in the actual drive, you cat tar to it in the <BR >normal way. <BR > <BR >mtx -f /dev/sg2 unload ; put !
the tape
back <BR > <BR >Best <BR > <BR >Cokey <BR > <BR >-- <BR >-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --- <BR >F. 'Cokey ' de Percin, DBA Email: <BR >CSC Work - cdeperci@(protected) <BR >Columbia, South Carolina Home - fdepercin@(protected) <BR > <BR > <BR >-- <BR >This message has been scanned for viruses and <BR >dangerous content by MailScanner, and is <BR >believed to be clean. <BR >Mailscanner thanks transtec Computers for their support. <BR > <BR > <BR >-- <BR >redhat-list mailing list <BR >unsubscribe mailto:redhat-list-request@(protected)?subject=unsubscribe <BR >https://www.redhat.com/mailman/listinfo/redhat-list </BLOCKQUOTE > </DIV > <p > <hr size=1 > <font face=arial size=-1 >Do you Yahoo!? <br >
<a href= "
http://taxes.yahoo.com/filing.html
" > <b >Yahoo! Finance Tax Center </a > </b > - File online. File on time.
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