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тАО05-02-2006 09:20 PM
тАО05-02-2006 09:20 PM
Tar:/dev/st0:cannot write:input/output error
Tar:/dev/st0:cannot write:input/output error
The tape drive works fine when connected to Windows.
The kernel version is 2.4.4-64GB.
Am looking for info related to this error.Am able to take small backups.
Thanks in advance!!
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тАО05-02-2006 09:43 PM
тАО05-02-2006 09:43 PM
Re: Tar:/dev/st0:cannot write:input/output error
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тАО05-02-2006 10:18 PM
тАО05-02-2006 10:18 PM
Re: Tar:/dev/st0:cannot write:input/output error
Isolate the problem by connecting another tape drive to the linux system.
check the dmesg for any kind of errors
Regards
Siljumon S
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тАО05-02-2006 10:24 PM
тАО05-02-2006 10:24 PM
Re: Tar:/dev/st0:cannot write:input/output error
The issue remains same if connecting another Tape Drive on to the machine.Sometimes works fine for a couple or three backups.
I'll try to post the Dmesg logs.
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тАО05-03-2006 02:56 AM
тАО05-03-2006 02:56 AM
Re: Tar:/dev/st0:cannot write:input/output error
You seem to have eliminated hardware as an issue with your tests.
I then suggest you get new drivers for Linux from the tape maker and in general patch the OS with patchlink or up2date or whatever facilities your Linux vendor/distribution provides.
SEP
Owner of ISN Corporation
http://isnamerica.com
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тАО05-03-2006 06:55 PM
тАО05-03-2006 06:55 PM
Re: Tar:/dev/st0:cannot write:input/output error
Below is the output from dmesg...Cannot see any errors
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/255 SCBs
scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/255 SCBs
Vendor: HP Model: C1537A Rev: L411
Type: Sequential-Access ANSI SCSI revision: 02
(scsi1:A:0): 10.000MB/s transfers (10.000MHz, offset 32)
Also,have observed that small backups still happen
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тАО05-04-2006 02:26 AM
тАО05-04-2006 02:26 AM
Re: Tar:/dev/st0:cannot write:input/output error
2) Can you output the contents of /proc/scsi/scsi here? For some reason, I'm thinking that "st0" is incorrect syntax for a tape drive on a linux box...
3) Since you are on a linux box, fire up the "Amanda" tape backup application and see if the drive is detected and usable from there.
4)Finally, try this syntax and see if anything happens (old-school *nix, BTW):
dd if=/ of=/dev/st0
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тАО05-04-2006 11:47 AM
тАО05-04-2006 11:47 AM
Re: Tar:/dev/st0:cannot write:input/output error
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тАО05-04-2006 05:23 PM
тАО05-04-2006 05:23 PM
Re: Tar:/dev/st0:cannot write:input/output error
please list the steps used to check the block size as do not have much info on Linux.
I had read somewhere that there's a limitation on the File sizes that can be backed up using tar in Linux.
Any ideas on it.Thanks
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тАО05-04-2006 05:36 PM
тАО05-04-2006 05:36 PM
Re: Tar:/dev/st0:cannot write:input/output error
You want something like:
mt -f /dev/nst0 status
And to set it, something like:
mt -f /dev/nst0 setblk 0
or
mt -f /dev/nst0 setblk 512
depending on where you're going. Using '0' should set the device to auto-block-size, but some times that can confuse things more.
Tar should be happy with 512-byte multiples.