Backup message using dump.

[romano r]

Hello,
sometimes during the backup with "dump", I've an strange message like that:
DUMP: (This should not happen)bread from /dev/rac/cd00d0_74as0 [block 503248]: count=6144, got=-1

Does someone explain me what does it means exactly?
In this case the backup involves a Jukebox with mo discs on a UX9 box, but I saw this errors also in backups of 10.20 boxes, all systems have hfs files sistems.

attached the entire log.

Thank you
Romano

[T G Manikandan]

Looks like the file system is not okay,
It could be like the inodes are misplaced.
just do a fsck on the file systems and try running the dump.

Also check your /var/adm/syslog/syslog.log file for any errors on the file system or the disk.

Revert

[Dietmar Konermann]

Looks like a media read error... you may try to read those block manually for testing, e.g.

dd if=/dev/rac/cd00d0_74as0 of=/dev/null bs=1k skip=503248 count=6

Maybe something's wrong with the medium or the drive.

Best regards...
Dietmar.