Date: Tue, 24 Mar 2009 21:15:49 -0400 From: Yoshihiro Ota <ota@j.email.ne.jp> To: "Mikhail T." <mi+thun@aldan.algebra.com> Cc: Daniel O'Connor <doconnor@gsoft.com.au>, freebsd-stable@freebsd.org, fs@freebsd.org Subject: Re: dump | restore fails: unknown tape header type 1853384566 Message-ID: <20090324211549.27e65b90.ota@j.email.ne.jp> In-Reply-To: <49C87E0D.5090501@aldan.algebra.com> References: <49C83673.3000604@aldan.algebra.com> <200903241537.36515.doconnor@gsoft.com.au> <49C87E0D.5090501@aldan.algebra.com>
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On Tue, 24 Mar 2009 02:30:37 -0400 "Mikhail T." <mi+thun@aldan.algebra.com> wrote: > Daniel O'Connor написав(ла): > > On Tuesday 24 March 2009 11:55:07 Mikhail T. wrote: > > > >> I'm trying to migrate a filesystem from one disk to another using: > >> > >> dump a0hCf 0 32 - /old | restore -rf - > >> > >> (/old is already mounted read-only). The process runs for a while and > >> then stops with: > >> > >> [...] > >> DUMP: 22.85% done, finished in 3:57 at Tue Mar 24 01:03:21 2009 > >> DUMP: 24.66% done, finished in 3:50 at Tue Mar 24 01:00:58 2009 > >> DUMP: 26.44% done, finished in 3:43 at Tue Mar 24 00:59:14 2009 > >> unknown tape header type 1853384566 > >> abort? [yn] > >> > >> Any idea, what's going on? Why can't FreeBSD's restore read FreeBSD's > >> dump's output? > >> > > > > What happens if you don't use the cache? > > > 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. Hiro
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