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Full Discussion: CPIO Restore
Top Forums UNIX for Beginners Questions & Answers CPIO Restore Post 302980341 by Don Cragun on Friday 26th of August 2016 08:46:18 AM
Old 08-26-2016
Quote:
Originally Posted by isoabv
Please note that using the command cpio to back up to tape was successful. Used the below command:
Code:
time find /accts -print | cpio -oa --block-size=512 --format=newc --verbose -O /dev/nst0

I'm trying to restore from tape of a particular file and having issues. Below is the command to restore from tape:
Code:
 cpio -iv "/accts/bank/2day" "/accts/bank/lastyear" --block-size=2048 < /dev/nst0

Please assist if the above command to restore is correct. I tried using it but it does not restore. I was in the /bkp directory to do the restore.
Using different block sizes when creating a cpio archive and when reading that cpio archive is almost always going to fail.
 

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CPIO(1L)																  CPIO(1L)

NAME
cpio - copy files to and from archives SYNOPSIS
cpio {-o|--create} [-0acvABLV] [-C bytes] [-H format] [-M message] [-O [[user@]host:]archive] [-F [[user@]host:]archive] [--file=[[user@]host:]archive] [--format=format] [--message=message] [--null] [--reset-access-time] [--verbose] [--dot] [--append] [--block-size=blocks] [--dereference] [--io-size=bytes] [--quiet] [--force-local] [--rsh-command=command] [--help] [--version] < name-list [> archive] cpio {-i|--extract} [-bcdfmnrtsuvBSV] [-C bytes] [-E file] [-H format] [-M message] [-R [user][:.][group]] [-I [[user@]host:]archive] [-F [[user@]host:]archive] [--file=[[user@]host:]archive] [--make-directories] [--nonmatching] [--preserve-modification-time] [--numeric-uid- gid] [--rename] [-t|--list] [--swap-bytes] [--swap] [--dot] [--unconditional] [--verbose] [--block-size=blocks] [--swap-halfwords] [--io- size=bytes] [--pattern-file=file] [--format=format] [--owner=[user][:.][group]] [--no-preserve-owner] [--message=message] [--force-local] [--no-absolute-filenames] [--sparse] [--only-verify-crc] [--to-stdout] [--quiet] [--rsh-command=command] [--help] [--version] [pattern...] [< archive] cpio {-p|--pass-through} [-0adlmuvLV] [-R [user][:.][group]] [--null] [--reset-access-time] [--make-directories] [--link] [--quiet] [--pre- serve-modification-time] [--unconditional] [--verbose] [--dot] [--dereference] [--owner=[user][:.][group]] [--no-preserve-owner] [--sparse] [--help] [--version] destination-directory < name-list DESCRIPTION
GNU cpio is fully documented in the texinfo documentation. To access the help from your command line, type info cpio The online copy of the documentation is available at the following address: http://www.gnu.org/software/cpio/manual CPIO(1L)
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