Re: BAD SUPER BLOCK: MAGIC NUMBER WRONG
From: Tony Walton (tony.walton_at_s_u_n.com)
Date: 02/23/04
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Date: Mon, 23 Feb 2004 10:39:31 +0000
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!
-- Tony
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