Date: Thu, 18 Jul 2002 13:29:35 +0800 From: Ying-Chieh Liao <ijliao@FreeBSD.org> To: current@FreeBSD.org Subject: cannot find filesystem superblock ? Message-ID: <20020718052935.GA358@terry.dragon2.net>
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I build/install world last night
after reboot, one of my filesystem is broken (it uses soft-updates)
when I run fsck on it, it said :
cannot find filesystem superblock
<cut>
** /dev/da0s3e
LOOK FOR ALTERNATE SUPERBLOCKS? yes
USING ALTERNATE SUPERBLOCK AT 32
numdirs is zero, try using an alternate superblock
***** FILE SYSTEM STILL DIRTY *****
</cut>
I've tried alternative superblock (8193 and 16385)
<cut>
Alternate super block location: 8193
** /dev/da0s3e
UNDEFINED OPTIMIZATION IN SUPERBLOCK
SET TO DEFAULT? yes
IMPOSSIBLE MINFREE=842226459 IN SUPERBLOCK
SET TO DEFAULT? yes
cannot alloc 3779963748 bytes for blockmap
***** FILE SYSTEM MARKED DIRTY *****
</cut>
<cut>
Alternate super block location: 16385
** /dev/da0s3e
UNDEFINED OPTIMIZATION IN SUPERBLOCK
SET TO DEFAULT? yes
IMPOSSIBLE MINFREE=779380589 IN SUPERBLOCK
SET TO DEFAULT? yes
cannot alloc 2355957190 bytes for blockmap
CANNOT WRITE BLK: 0
CONTINUE? yes
THE FOLLOWING SECTORS COULD NOT BE WRITTEN: 0,
***** FILE SYSTEM STILL DIRTY *****
</cut>
anyone got any idea how I can fix it ?
did it mean that I have a bad sector ?
--
int i;main(){for(;i["]<i;++i){--i;}"];read('-'-'-',i+++"hell\
o, world!\n",'/'/'/'));}read(j,i,p){write(j/p+p,i---j,i/i);}
-- IOCCC 1984
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help
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