Date: Tue, 24 Mar 2009 22:08:04 -0400 From: "Mikhail T." <mi+thun@aldan.algebra.com> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: freebsd-stable@freebsd.org, fs@freebsd.org Subject: Re: dump | restore fails: unknown tape header type 1853384566 Message-ID: <49C99204.2050601@aldan.algebra.com> In-Reply-To: <200903251232.11418.doconnor@gsoft.com.au> References: <49C83673.3000604@aldan.algebra.com> <49C98202.9040403@modulus.org> <49C98680.7020301@aldan.algebra.com> <200903251232.11418.doconnor@gsoft.com.au>
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Daniel O'Connor ΞΑΠΙΣΑΧ(ΜΑ):
>> morning is still hanging (in sbwait) -- I've never seen this before. I'm
>> also very troubled, that such an important functionality (dump/restore!)
>> is sooo problem-prone, and yet so few people seem to care...
>>
>
> Well, "works for me".
>
Well, would like a login on this system to take a look for yourself? I
can reproduce the problem easily.
>> Is the official view, that dump is obsolete (and already bit-rotten),
>> perhaps, and use of tar is encouraged instead?
>>
>
> I've never had dump fail but it IS rather crusty and slow.. That said tar
> doesn't cover all the information I believe.
So, if dump/restore ain't it, does FreeBSD have a supported way of
making filesystem-level backups, that's both modern and covers all
aspects (like flags)?
That said, I point out, that for me, dump is not failing (although it
did hang this morning). It is the restore, which fails to read dump's
output:
unknown tape header type 213474529
abort? [yn] n
resync restore, skipped 502 blocks
expected next file 54, got 0
unknown tape header type -954356454
abort? [yn] n
resync restore, skipped 29 blocks
expected next file 54, got 0
unknown tape header type -1754938223
abort? [yn] n
resync restore, skipped 482 blocks
expected next file 54, got 0
unknown tape header type -915868704
abort? [yn] n
resync restore, skipped 29 blocks
expected next file 54, got 0
unknown tape header type 1790084751
abort? [yn] n
resync restore, skipped 482 blocks
expected next file 54, got 0
unknown tape header type 903667267
abort? [yn] n
...
Thanks!
-mi
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