Date: Tue, 24 Mar 2009 09:44:23 +0200 From: Danny Braniss <danny@cs.huji.ac.il> To: "Mikhail T." <mi+thun@aldan.algebra.com> Cc: freebsd-stable@freebsd.org, fs@freebsd.org Subject: Re: dump | restore fails: unknown tape header type 1853384566 Message-ID: <E1Lm1J9-000Ah6-Kf@kabab.cs.huji.ac.il> 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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> Daniel O'Connor =CE=C1=D0=C9=D3=C1=D7(=CC=C1): >=20 > On Tuesday 24 March 2009 11:55:07 Mikhail T. wrote: >=20 > =20 > >> I'm trying to migrate a filesystem from one disk to another using: > >> > >> dump a0hCf 0 32 - /old =7C restore -rf - > >> > >> (/old is already mounted read-only). The process runs for a while an= d> >> then stops with: > >> > >> =5B...=5D > >> DUMP: 22.85% done, finished in 3:57 at Tue Mar 24 01:03:21 200= 9 > >> DUMP: 24.66% done, finished in 3:50 at Tue Mar 24 01:00:58 200= 9 > >> DUMP: 26.44% done, finished in 3:43 at Tue Mar 24 00:59:14 200= 9 > >> unknown tape header type 1853384566> >> abort? =5Byn=5D > >> > >> Any idea, what's going on? Why can't FreeBSD's restore read FreeBSD'= s > >> dump's output? > >> =20 > >> > What happens if you don't use the cache? > > =20 > No big difference: > > dump a0f - /old =7C restore -rf - > =5B...=5D > 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? =5Byn=5D >=20 > Looks like a junk value somewhere... Unitialized variable or some such.= >=20 can you try splitting it in 2, ie no pipe? dump a0f some.file /old (or dump 0f - /old =7C gzip -c > file.dump.gz) restore rf some.file danny
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