Balada Seorang Suami Mountainbiker Jalanan

AIX

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TAPE DRIVES TIPS

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rmt0.x where x = A + B + C

A = density 0 = high 4 = low

B = retension 0 = no 2 = yes

C = rewind 0 = yes 1 = no

tctl -f (tape device) fsf (No) Skips forward (No) tape markers

tctl -f (tape device) bsf (No) Skips back (No) tape markers

tctl -f (tape device) rewind Rewind the tape

tctl -f (tape device) offline Eject the tape

tctl -f (tape device) status Show status of tape drive

chdev -l rmt0 -a block_size=512 changes block size to 512 bytes

(4mm = 1024, 8mm = variable but

1024 recommended)

dd if=/dev/rmt0 bs=128k count=1 | wc -c

Displays the block size of an unknow tape. Set block size to 0 first.

bootinfo -e answer of 1 = machine can boot from a tape drive

answer of 0 = machine CANNOT boot from tape drive

diag -c -d (tape device) Hardware reset a tape drive.

diag -c -d rmt0

tapechk (No of files) Checks Number of files on tape.

< /dev/rmt0 Rewinds the tape !!!