>
> I've always wondered what happens to the blocking factor
> when you use -z or -j with tar. Does tar re-block the
> output from gzip or bzip2? Do you have to specify -B
> or -b nnn to force correct blocking when using a tape
> with -z or -j?
>
Hi Craig,
Today I have see this on second/third archive:
# mt -f /dev/nst0 rewind
# tar Btfj /dev/nst0
./backup/
./backup/aaa.tar.gz
./backup/bbb.tar.gz
./backup/ccc.tar.gz
# tar Btfj /dev/nst0
./backup/
./backup/xxx.tar.gz
./backup/yyy.tar.gz
./backup/zzz.tar.gz
bzip2: Data integrity error when decompressing.
Input file = (stdin), output file = (stdout)
It is possible that the compressed file(s) have become corrupted.
-------------------------------------------------------
And this with Manual "fsf":
# mt -f /dev/nst0 rewind
# mt -f /dev/st0 fsf 1
# tar Btfj /dev/nst0
./backup/
./backup/xxx.tar.gz
./backup/yyy.tar.gz
./backup/zzz.tar.gz
But I can't find the next write by HostBackup....
# mt -f /dev/nst0 rewind
# mt -f /dev/st0 fsf 2
# tar Btfj /dev/nst0
tar: /dev/nst0: Cannot read: Input/output error
tar: At beginning of tape, quitting now
tar: Error is not recoverable: exiting now
bzip2: Compressed file ends unexpectedly;
perhaps it is corrupted? *Possible* reason follows.
bzip2: Invalid argument
Input file = (stdin), output file = (stdout)
Now I'm not sure that this way is correct.
Thanks
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