dump | restore fails: unknown tape header type 1853384566

[Mikhail T.]

Yoshihiro Ota написав(ла):
>> No big difference:
>>     dump a0f  - /old | restore -rf -
>>     [...]
>>       DUMP: 17.25% done, finished in 3:27 at Tue Mar 24 05:42:00 2009
>>       DUMP: 20.36% done, finished in 3:09 at Tue Mar 24 05:28:13 2009
>>       DUMP: 23.83% done, finished in 2:50 at Tue Mar 24 05:14:32 2009
>>     unknown tape header type -621260722
>>     abort? [yn]
>>
>> Looks like a junk value somewhere... Unitialized variable or some such.
>>
>>     -mi
>>     
>
> -a option seems to be the problem.
> Try without it.
>   
As could be expected, it failed exactly the same without the obviously
unrelated -a option:

    root at symbion:/ibm (113) dump 0f - /ibmo | restore -rf -
    DUMP: Date of this level 0 dump: Tue Mar 24 21:31:19 2009
    DUMP: Date of last level 0 dump: the epoch
    DUMP: Dumping /dev/ad2s1e (/ibmo) to standard output
    DUMP: mapping (Pass I) [regular files]
    DUMP: mapping (Pass II) [directories]
    DUMP: estimated 152357442 tape blocks.
    DUMP: dumping (Pass III) [directories]
    DUMP: dumping (Pass IV) [regular files]
    DUMP: 0.16% done, finished in 242:05 at Sat Apr 4 00:00:21 2009
    DUMP: 4.29% done, finished in 10:24 at Wed Mar 25 08:24:02 2009
    DUMP: 8.56% done, finished in 5:52 at Wed Mar 25 03:56:43 2009
    DUMP: 11.76% done, finished in 4:35 at Wed Mar 25 02:43:29 2009
    DUMP: 16.00% done, finished in 3:38 at Wed Mar 25 01:52:05 2009
    DUMP: 19.28% done, finished in 3:15 at Wed Mar 25 01:33:43 2009
    DUMP: 22.74% done, finished in 2:55 at Wed Mar 25 01:18:49 2009
    unknown tape header type 1431655765
    abort? [yn] n
    resync restore, skipped 9 blocks
    expected next file 1599492, got 0
    DUMP: 24.50% done, finished in 3:27 at Wed Mar 25 02:05:41 2009
    unknown tape header type 1508167078
    abort? [yn] n
    resync restore, skipped 66 blocks
    expected next file 1599492, got 0
    unknown tape header type -1493630979
    abort? [yn] y
    dump core? [yn] n
    DUMP: Broken pipe
    DUMP: The ENTIRE dump is aborted.

Now can one get /real/ support for the most basic functionality of the
most advanced modern Unix in the world? Thanks,

    -mi