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Tape device temporarily unavailable

 
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Old 09-14-2011
Tape device temporarily unavailable
Hi All,

After (by accident) closing a session that ran a restore command I can not access the tape drive anymore.

I get the following error:
Code:
# tctl -f /dev/rmt0 rewind
/dev/rmt0: Resource temporarily unavailable

But I cannot find any processes associated with the tape device:
Code:
# ps -ef | egrep "restore|rmt"
    root 4595872 4321502   0 09:59:54 pts/71  0:00 egrep restore|rmt
# fuser /dev/rmt0
/dev/rmt0:

Although AIX says that the device is available:
Code:
# lsdev -Cc tape
rmt0 Available 06-08-01-0,0 LVD SCSI 4mm Tape Drive

I cannot remove the device and then add it:
Code:
# rmdev -dl rmt0
Method error (/etc/methods/ucfgdevice):
        0514-062 Cannot perform the requested function because the
                 specified device is busy.

Still I can access the attributes of the device:
Code:
# lsattr -El rmt0
block_size    1024  BLOCK size (0=variable length)       True
compress      yes   Use data COMPRESSION                 True
density_set_1 71    DENSITY setting #1                   True
density_set_2 38    DENSITY setting #2                   True
extfm         yes   Use EXTENDED file marks              True
mode          yes   Use DEVICE BUFFERS during writes     True
ret           no    RETENSION on tape change or reset    True
ret_error     no    RETURN error on tape change or reset True
size_in_mb    36000 Size in Megabytes                    False

Which procedure should I follow to get access to the tape device again?
 
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