update: Disk problem: fsck /dev/..... fails

From: Karl Devitt <kdevitt_at_iel.ie>
Date: Fri Jul 20 2001 - 09:40:52 EDT
as suggested by Samir:

[root@ned]# newfs -Nv /dev/dsk/c0t1d0s0
mkfs -F ufs -o N /dev/rdsk/c0t1d0s0 6144201 133 27 8192 1024 64 2 90 6144 t
0 -1
 8 128
Warning: 1 sector(s) in last cylinder unallocated
/dev/rdsk/c0t1d0s0:     6144200 sectors in 1711 cylinders of 27 tracks, 133
sect
ors
        3000.1MB in 107 cyl groups (16 c/g, 28.05MB/g, 4544 i/g)
super-block backups (for fsck -F ufs -o b=#) at:
 32, 57632, 115232, 172832, 230432, 288032, 345632, 403232, 460832, 518432,
 576032, 633632, 691232, 748832, 806432, 864032, 921632, 979232, 1036832,
 1094432, 1152032, 1209632, 1267232, 1324832, 1382432, 1440032, 1497632,
 1555232, 1612832, 1670432, 1728032, 1785632, 1838624, 1896224, 1953824,
 2011424, 2069024, 2126624, 2184224, 2241824, 2299424, 2357024, 2414624,
 2472224, 2529824, 2587424, 2645024, 2702624, 2760224, 2817824, 2875424,
 2933024, 2990624, 3048224, 3105824, 3163424, 3221024, 3278624, 3336224,
 3393824, 3451424, 3509024, 3566624, 3624224, 3677216, 3734816, 3792416,
 3850016, 3907616, 3965216, 4022816, 4080416, 4138016, 4195616, 4253216,
 4310816, 4368416, 4426016, 4483616, 4541216, 4598816, 4656416, 4714016,
 4771616, 4829216, 4886816, 4944416, 5002016, 5059616, 5117216, 5174816,
 5232416, 5290016, 5347616, 5405216, 5462816, 5515808, 5573408, 5631008,
 5688608, 5746208, 5803808, 5861408, 5919008, 5976608, 6034208, 6091808,

But what does the warning mean? Doesn't look good to me

Karl.

----- Original Message -----
From: "Sethi, Samir (BIM-Equities)" <SSethi@exchange.ml.com>
To: <kdevitt@iel.ie>
Sent: Friday, July 20, 2001 2:05 PM
Subject: RE: Disk problem: fsck /dev/..... fails


>
>
> Use newnfs -Nv to get the superblock numbers.
>
> and,
>
> fsck -y -o b=#alt-super-block /dev/rdsk/c0....
>
> If this does not work,
>
> format -- analyze -- read test.
>
> if it does not work, probably have a bad drive that needs replacement.
>
>
> > -----Original Message-----
> > From: Karl Devitt [SMTP:kdevitt@iel.ie]
> > Sent: Friday, July 20, 2001 8:21 AM
> > To: sunmanagers
> > Subject: Disk problem: fsck /dev/..... fails
> >
> > Hi all,
> >
> > I have a corrupted disk partition, during a system crash a disk
partition got corrupted. Using fsck I get:
> > [root@ned]# fsck /dev/dsk/c0t1d0s0
> > ** /dev/dsk/c0t1d0s0
> >
> > CANNOT SEEK: BLK 6091808
> > CONTINUE? y
> >
> >
> > CANNOT READ: BLK 6091808
> > CONTINUE? y
> >
> >
> > CANNOT SEEK: BLK 6091808
> > CONTINUE? y
> >
> > THE FOLLOWING SECTORS COULD NOT BE READ: 6091808 6091809 6091810 6091811
6091812
> >  6091813 6091814 6091815 6091816 6091817
> >
> >
> > This has happened 3 times with differeing partition of 2 servers. In the
past I just newfs'ed the partition and carried on, but this time after a
newfs, the fsck still fails with the same errors.
> >
> > help!
> >
> > Karl
> >
> > Karl Devitt
> > UNIX System Administrator
> > IT Department
> >
> > Interactive Enterprise Ltd.
> > 3098 Lake Drive, Citywest Business Campus,
> > Dublin 24, Ireland.
> > Tel: +353-1-4660600
> > Fax: +353-1-4660284
> > <http://www.interactive-enterprise.com>
> >
> >
> >
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Received on Fri Jul 20 14:40:52 2001

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