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CPIO problem

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Bona_1
Frequent Advisor

CPIO problem

hi all,
I have been using CPIO for a while, but yesterday, we started experiencing a strange phenomenom. When the command was executed, the root filesystem just kept increasing, and then when it was full, the backup requested another volume. The syntax of the backup command I used is

find bnk -print | cpio -ovcC51200 -O /dev/ntape/tape0

Am I doing something wrong? Any assistance will be appreciated
2 REPLIES
Cortes Albertino
Trusted Contributor
Solution

Re: CPIO problem

Hello,

You must check first if the special file is already a char device.

try it :
#ls -l /dev/ntape/tape?
crw-rw-rw- ...............

#/bin/file /dev/ntape/tape?
should be as follows, i.e. character special
/dev/ntape/tape0: character special (19/222)
/dev/ntape/tape5: character special (19/280) SCSI #0 "TLZ6" tape #4 (SCSI ID #0) (SCSI LUN #4) offline

Hope it helps,

Albertino Cortes
Bona_1
Frequent Advisor

Re: CPIO problem

hello Albertino cortes,
it turns out that the character file for the device had been deleted (mistakenly?), and so whenever the customer tried to run the backup, the command simply created a file, and started to copy the files there. naturally, the file soon filled the root partition. I re-created the device file (mknod with -c) and the script worked wonderfully.

thanks
Bona