Unix - Tar (tape Archive In Unix)

  • November 2019
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TAR (Tape archive in unix)

Case scenario ( archive  compress  backup) 1) check contents to backup % cd /intf/cibs/rezone/S0124 % % ls -ltr total 10 -rw-rw-r-1 bpsi02 sapsys -rw-rw-r-1 bpsi02 sapsys -rw-rw-r-1 bpsi02 sapsys -rw-rw-r-1 bpsi02 sapsys -rw-rw-r-1 bpsi02 sapsys -rw-rw-r-1 bpsi02 sapsys -rw-rw-r-1 bpsi02 sapsys

1482 285 0 0 171 171 0

Apr Apr Apr Apr Apr Apr May

17 17 17 20 20 20 02

2006 2006 2006 2006 2006 2006 2006

TEST170406.TXT TEST170402.TXT TRY1 170403.TXT 200406.TXT 20042006TEST.TXT TEST

2) create archive note : all the contents to backup will be archive in test.tar % a a a a a a a a

tar cvf /tmp/test.tar /intf/cibs/rezone/S0124 /intf/cibs/rezone/S0124 /intf/cibs/rezone/S0124/TEST170406.TXT 3 blocks. /intf/cibs/rezone/S0124/TEST170402.TXT 1 blocks. /intf/cibs/rezone/S0124/170403.TXT 0 blocks. /intf/cibs/rezone/S0124/TRY1 0 blocks. /intf/cibs/rezone/S0124/200406.TXT 1 blocks. /intf/cibs/rezone/S0124/20042006TEST.TXT 1 blocks. /intf/cibs/rezone/S0124/TEST 0 blocks.

3) Archive created % cd /tmp % ls -ltr *.tar -rw-rw-r--

1 ctmagent ctmgroup

10240 May 24 13:15 test.tar

4) Check content of the archive % tar tvf /tmp/test.tar drwxrwxr-x 207 212 0 -rw-rw-r-- 245 201 1482 -rw-rw-r-- 245 201 285 -rw-rw-r-- 245 201 0 -rw-rw-r-- 245 201 0 -rw-rw-r-- 245 201 171 -rw-rw-r-- 245 201 171 -rw-rw-r-- 245 201 0

May Apr Apr Apr Apr Apr Apr May

02 17 17 20 17 20 20 02

11:35:38 10:25:50 11:10:04 16:10:36 16:44:29 16:22:36 16:50:20 11:35:38

2006 2006 2006 2006 2006 2006 2006 2006

/intf/cibs/rezone/S0124/ /intf/cibs/rezone/S0124/TEST170406.TXT /intf/cibs/rezone/S0124/TEST170402.TXT /intf/cibs/rezone/S0124/170403.TXT /intf/cibs/rezone/S0124/TRY1 /intf/cibs/rezone/S0124/200406.TXT /intf/cibs/rezone/S0124/20042006TEST.TXT /intf/cibs/rezone/S0124/TEST

5) Compress archive % compress /tmp/test.tar

6) New compress archive created % cd /tmp % ls -ltr *.Z -rw-rw-r--

1 ctmagent ctmgroup

7) Backup to tape % tar cvf /dev/rmt0 /tmp/test.tar.Z

8) Check backup content in tape % tar tvf /dev/rmt0

1666 May 24 13:15 test.tar.Z

Case scenario (to check tape status) % mt -f /dev/rmt0 status rmt0 Available 3A-08-00-6,0 SCSI 4mm Tape Drive attribute value description

user_settable

block_size compress density_set_1 density_set_2 extfm mode ret ret_error size_in_mb

True True True True True True True True False

1024 yes 38 37 yes yes no yes 20480

BLOCK size (0=variable length) Use data COMPRESSION DENSITY setting #1 DENSITY setting #2 Use EXTENDED file marks Use DEVICE BUFFERS during writes RETENSION on tape change or reset RETURN error on tape change or reset Size in Megabytes

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