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I have 4 identical Mandrake 9.1 servers all with indentical seagate st28000 eide tape drives installed as the secondary master device (hdc). These drives work normally in 2 servers and fail in the other 2 servers.
The following errors prevent the tape from functioning.
I have added append=ide-scsi to the lilo.conf and added modprobe ide-scsi to the rc.modules.
tar: /dev/tapes/tape0/mt: Cannot open: Device or resource busy
tar: Error is not recoverable: exiting now. /var/log/messages says:
Feb 27 20:02:30 Netfloor91bk kernel: ide-tape: DMA disabled, reverting to PIO
Feb 27 20:02:30 Netfloor91bk kernel: hdc: DMA disabled
Feb 27 20:02:30 Netfloor91bk kernel: ide-tape: ht0: I/O error, pc = 0, key = 3, asc = 30, ascq = 0
Feb 27 20:02:30 Netfloor91bk kernel: ide-tape: ht0: drive not ready
dmesg |grep hdc says:
hdc: DMA disabled
ide-tape: DMA disabled, reverting to PIO
hdc: DMA disabled
ide-tape: ht0: I/O error, pc = 0, key = 3, asc = 30, ascq = 0
ide-tape: ht0: drive not ready
ide-tape: bh == NULL in idetape_update_buffers
Any corrective suggestions will be greatly appreciated.