samar 5# /usr/local/sbin/amrestore -r /dev/sdlt2 amrestore: 0: skipping start of tape: date 20050107 label SAMAR05 amrestore: 1: restoring samar._usr5_amanda.20050107.1 amrestore: read error: I/O error
samar 6# mt -f /dev/sdlt2 rewind samar 7# mt -f /dev/sdlt2 fsf 1 samar 8# dd if=/dev/sdlt2 bs=32768 of=samar._usr5_amanda.20050107.1 skip=1 Read error: I/O error 1+0 records in 1+0 records out samar 9# mt -f /dev/sdlt2 rewind samar 10# mt -f /dev/sdlt2 fsf 1 samar 11# dd if=/dev/sdlt2 bs=32768 of=samar._usr5_amanda.20050107.1 Read error: I/O error 1+0 records in 1+0 records out samar 12# mt -f /dev/sdlt2 rewind samar 13# mt -f /dev/sdlt2 fsf 1 samar 14# cat -evt /dev/sdlt2 | more Input error: Invalid argument (/dev/sdlt2) samar 15# mt -f /dev/sdlt2 rewind samar 16# mt -f /dev/sdlt2 fsf 1 samar 17# dd if=/dev/sdlt2 bs=32768| cat -evt | more AMANDA: FILE 20050107 samar /usr5/amanda lev 1 comp .gz program /usr/local/sbin/ gnutar$ To restore, position tape at start of file and run:$ ^Idd if=<tape> bs=32k skip=1 | /usr/sbin/gzip -dc | usr/local/sbin/gnutar -f... -$ ^L$ [EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@ [EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@ ** many null characters removed. samar 18# mt -f /dev/sdlt2 rewind samar 19# mt -f /dev/sdlt2 fsf 1 samar 23# dd if=/dev/sdlt2 bs=32768 skip=1 | /usr/sbin/gzip -dc | /usr/local/sbin/gnutar -tf - | more Read error: I/O error 0+0 records in 0+0 records out gzip: stdin: unexpected end of file I had followed Gene's instructions and saved the label via DD and restored it to the tape as shown in an earlier email. This was the procedure to set the blksize in the tape and dd the label back. samar 24# mt -f /dev/sdlt2 blksize Recommended tape I/O size: 131072 bytes (256 512-byte blocks) Minimum block size: 4 byte(s) Maximum block size: 16777212 bytes Current block size: Variable I am using /dev/sdlt2 link to /dev/rmt/tps1d4nrns - no rewind, non-byte swap device. I am no longer using the trailing 'v' device which would normally provide variable length blocks. I will demonstrate with the next tape SAMAR06 in slot 5. samar 27# mt -f /dev/sdlt2 rewind samar 28# dd if=/dev/sdlt2 of=./scratch Read error: Invalid argument 0+0 records in 0+0 records out Remembering that I'd setblksize yesterday prior to running amlabel -f samar 29# dd if=/dev/sdlt2 of=./scratch bs=32k 1+0 records in 1+0 records out samar 30# ls -las scratch 64 -rw-r--r-- 1 root sys 32768 Jan 7 15:36 scratch AMANDA: TAPESTART DATE X TAPE SAMAR06$ ^L$ [EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@ [EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@ ** many nulls removed samar 32# mt -f /dev/sdlt2 blksize Recommended tape I/O size: 131072 bytes (256 512-byte blocks) Minimum block size: 4 byte(s) Maximum block size: 16777212 bytes Current block size: 32768 byte(s) samar 33# mt -f /dev/sdlt2 rewind samar 34# mt -f /dev/sdlt2 blksize Recommended tape I/O size: 131072 bytes (256 512-byte blocks) Minimum block size: 4 byte(s) Maximum block size: 16777212 bytes Current block size: 32768 byte(s) samar 35# dd bs=32768 if=scratch of=/dev/sdlt2 1+0 records in 1+0 records out That out of the way I'll go back and see what the other outstanding questions/tests where. --- Brian R Cuttler [EMAIL PROTECTED] Computer Systems Support (v) 518 486-1697 Wadsworth Center (f) 518 473-6384 NYS Department of Health Help Desk 518 473-0773
