Re: BAD SUPER BLOCK: MAGIC NUMBER WRONG

From: pidbel (nomail_at_nomail.nomail)
Date: 02/23/04 

Date: Mon, 23 Feb 2004 13:43:59 +0100

"Mr Ping" <_NO_SPAM_@telia.com> wrote in message
news:c1cqs5$1hhs19$1@ID-101404.news.uni-berlin.de...
> Tony Walton wrote:
> > Mr Ping wrote:
> >> Hi !
> >>
> >> I have add a new disk to my sparc 10, with Solaris 8.
> >>
> >> I have mounted this:
> >
> > No you haven't. /dev/rdsk/c0t1d0s0 doesn't feature in the output
> > below.
> >
> >>
> >> / (/dev/dsk/c0t0d0s0 ): 31064 blocks 20857
> >> files /usr (/dev/dsk/c0t0d0s6 ): 172902 blocks
> >> 192672 files /proc (/proc ): 0 blocks
> >> 932 files /dev/fd (fd ): 0 blocks
> >> 0 files /etc/mnttab (mnttab ): 0 blocks
> >> 0 files /var (/dev/dsk/c0t1d0s6 ): 554710 blocks
> >> 161273 files /var/run (swap ): 310560 blocks
> >> 9609 files /tmp (swap ): 310560 blocks
> >> 9609 files /opt (/dev/dsk/c0t0d0s5 ): 47564 blocks
> >> 13368 files /export/home (/dev/dsk/c0t0d0s7 ): 1302516 blocks
> >> 253743 files /usr/openwin (/dev/dsk/c0t0d0s1 ): 167084 blocks
> >> 116062 files
> >>
> >> But i get error when i reboot.
> >>
> >> ** /dev/rdsk/c0t1d0s0
> >> BAD SUPER BLOCK: MAGIC NUMBER WRONG
> >> USE AN ALTERNATE SUPER-BLOCK TO SUPPLY NEEDED INFORMATION;
> >> eg. fsck [-F ufs] -o b=# [special ...]
> >> where # is the alternate super block. SEE fsck_ufs(1M).
> >>
> >> If try to run fsck -F ufs /dev/rdsk/c0t1d0s0 i still get magic
> >> number wrong.
> >>
> >> Any sugestion, for my problem "please" ?
> >
> >
> > Did you actually *create* a filesystem on that partition after you
> > added the disk? Before doing so, make sure that partition 0 doesn't
> > overlap anything else, though!
>
> I did a format on the new disk.
> This disk have been in a other sun, before.
> And i did a newfs also.
>
> If i do a verify from the the format is show this:
>
> format> ver
>
> Primary label contents:
>
> Volume name = < >
> ascii name = <SUN0424 cyl 1151 alt 2 hd 9 sec 80>
> pcyl = 2500
> ncyl = 1151
> acyl = 2
> nhead = 9
> nsect = 80
> Part Tag Flag Cylinders Size Blocks
> 0 root wm 0 - 91 32.34MB (92/0/0) 66240
> 1 swap wu 92 - 183 32.34MB (92/0/0) 66240
> 2 backup wu 0 - 1150 404.65MB (1151/0/0) 828720
> 3 unassigned wm 0 0 (0/0/0) 0
> 4 unassigned wm 0 0 (0/0/0) 0
> 5 unassigned wm 0 0 (0/0/0) 0
> 6 var wm 184 - 1150 339.96MB (967/0/0) 696240
> 7 unassigned wm 0 0 (0/0/0) 0
>
> //Jan
>
>

Try fsck -n 32 /dev/rdsk/.....

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