Date: Wed, 25 Mar 2009 12:32:09 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-stable@freebsd.org Cc: "Mikhail T." <mi+thun@aldan.algebra.com>, fs@freebsd.org Subject: Re: dump | restore fails: unknown tape header type 1853384566 Message-ID: <200903251232.11418.doconnor@gsoft.com.au> In-Reply-To: <49C98680.7020301@aldan.algebra.com> References: <49C83673.3000604@aldan.algebra.com> <49C98202.9040403@modulus.org> <49C98680.7020301@aldan.algebra.com>
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--nextPart1370125.q0FYTSpdyJ Content-Type: text/plain; charset="koi8-u" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday 25 March 2009 11:48:56 Mikhail T. wrote: > Andrew Snow =CE=C1=D0=C9=D3=C1=D7(=CC=C1): > > Mikhail T. wrote: > >> dump 0aCf 64 /ibm/ibmo.0.2009-03-24.dump /old > >> DUMP: WARNING: should use -L when dumping live read-write > >> filesystems! > > > > I thought you said it was a read-only filesystem? > > It was yesterday. Today I remounted it rw to remove some junk-files, > which I don't need to transfer. I don't believe, this is causing the > problems. > > > In my experience, restore can sometimes throw warnings if you dump a > > live filesystem. It might be causing your errors? If possible, can > > you try completely unmounting the filesystem you are dumping and > > trying again? > > I don't think, restore can even figure this out, much less throw a > warning -- it is dump, that complains... But the dump started this restore will emit a warning if dump writes a stream that is out of order=20 because of a live file system but that is not what you are seeing. > 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". > Is the official view, that dump is obsolete (and already bit-rotten), 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=20 doesn't cover all the information I believe. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart1370125.q0FYTSpdyJ Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iD8DBQBJyZCj5ZPcIHs/zowRAuC5AKCsG52ocLa5Mw5KyHhhCsCQaLVgTwCfQgIX sNG6y1F8aM8Ge4/yK1uMyDc= =bb2i -----END PGP SIGNATURE----- --nextPart1370125.q0FYTSpdyJ--
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