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March 28th, 2008 07:00
Howto Change Tape Drive timeout on RedHat Linux
Just migrate networker from Solaris 8 to RedHat Enterprise Linux 4.4.
A DLT-S4 FC scsi tape drive without loaded tape (assume /dev/nst0)
It seems that the following system call will timeout on Linux after 120 seconds.
It timeouted on Solaris 8 in less than 1 seconds.
open("/dev/nst0",RD_ONLY)
nsrjb uses above call on every tape device on the system. I've 5 DLT-S4 drives, it will cause 10 minutes delay for each nsrjb under Linux. To eject/load a tape it will take maximum 20 minutes sine nsrjb is called twice.
tried sttimeout/stlongtimeout parameters with mt without any success.
Is there any way to fix the issue?
A DLT-S4 FC scsi tape drive without loaded tape (assume /dev/nst0)
It seems that the following system call will timeout on Linux after 120 seconds.
It timeouted on Solaris 8 in less than 1 seconds.
open("/dev/nst0",RD_ONLY)
nsrjb uses above call on every tape device on the system. I've 5 DLT-S4 drives, it will cause 10 minutes delay for each nsrjb under Linux. To eject/load a tape it will take maximum 20 minutes sine nsrjb is called twice.
tried sttimeout/stlongtimeout parameters with mt without any success.
Is there any way to fix the issue?
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ble1
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April 4th, 2008 01:00