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solaris 8 on intel boot problems

Posted on 2001-06-14
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Last Modified: 2013-12-27
I have solaris 8 for intel installed.
One day it crashed after it rebooted automaticly. When I reboot it from hard disk, I got the following error message after loading dhcp and network adapter:
... mount /dev/dsk/c0d0s6 no such device
(My /usr file system installed on /dev/dsk/c0d0s6, and / file system on /dev/dsk/c0d0s0)
    WARNING: /usr/sbin/fsck not found, most likely mount of /usr failed or /usr file system is badly damaged.
 (sure, it cannot find fsck)
boot with -b option in an attempt to recover.

But I got the same error when I choose "b" option at the stage of "select (b)oot or (i)nterpreter".

I happened to boot it from the Device Configuration Assistant Boot Diskette (floppy disk). I also choose the "b" option, this time the system started successfully without any error. The boot from hard disk never succeeded after many attempts.

I want to use fsck to recover the /usr system. But I could not run fsck when /usr mounted.

But I could run fsck when I entered command line console. fsck reported that "/" and "/usr" "File system state in superblock is wrong. FIX?" I fixed it a couple of times until it did not give any such reports. However, I still could not boot it from hard disk. Same problems happened again.

What 's the problem? Could anyone help me? Thanks.

 





 
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Question by:ezlee
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by:jlevie
ID: 6190699
It sounds like you've got a serious filesystem and/or disk problem. Are any other error messages reported when the system attempts to boot? Have you tried to boot in single user mode and fsck the filesystems from there ("b -s" at the boot prompt)? Also while in single user mode you should check your /etc/vfstab file to make sure that it hasn't been damaged.
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by:Nisus091197
ID: 6192378
Hi,

You should also try to boot from the CDROM and run the format utility.  Check the disk layout.

You can then mount the /usr partition and fsck it safely.

Regards, Nisus
http://www.omnimodo.com
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by:tfewster
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Finalized as proposed

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