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7.6

Solaris box forced into System Maintenance Mode on boot

Asked by wrguy in Sun Solaris, Unix Setup, Unix Operating Systems

Tags: Solaris, SunOS, 5.10, SPARC

Hi,

I've got a SPARC system running SunOS 5.10 that's been giving us problems.  When booting up, it would get stuck in a WARNING loop, and display the following over and over again:

WARNING: /pci@1c,600000/scsi@2 (glm0):
        Resetting scsi bus, got incorrect phase from (0,0)
WARNING: /pci@1c,600000/scsi@2 (glm0):
        got SCSI bus reset
WARNING: /pci@1c,600000/scsi@2/sd@0,0 (sd0):
        auto request sense failed (reason=reset)

In an attempt to diagnose the problem, I moved the HD's around in their bays to see if it was the HD or the SCSI connections that were calling these errors.  I've set them up now so that the two drives have swapped places (HD1 is in Bay2, HD2 is in Bay1).  Using "printenv" and "setenv boot-device", I managed to get the OS to boot up into single-user Maintenance mode, but runs into an fsck error:  

 WARNING - Unable to repair the / filesystem. Run fsck
manually (fsck -F ufs /dev/rdsk/c0t0d0s0).

Dec 18 21:19:44 svc.startd[7]: svc:/system/filesystem/usr:default: Method "/lib/
svc/method/fs-usr" failed with exit status 95.
[ system/filesystem/usr:default failed fatally (see 'svcs -x' for details) ]
Requesting System Maintenance Mode
(See /lib/svc/share/README for more information.)
Console login service(s) cannot run


When I try a manual fsck I get "BAD SUPER BLOCK: MAGIC NUMBER WRONG;  USE AN ALTERNATE SUPER-BLOCK TO SUPPLY NEEDED INFORMATION;".   I used "newfs -N" to get other superblocks, but when I try fsck with b=32 or one of the other numbers, I get "Can't stat /dev/rdsk/c0t0d0s0".    Here's some other things I've tried:

/sbin/mount -a
returned
mount: I/O error
mount: Cannot mount /dev/dsk/c0t0d0s7
--------------------------------------
mount -o remount,rw /
returned
mount: /dev/dsk/c0t0d0s0 is not this fstype
--------------------------------------
mount -F ufs -o remount /dev/rdsk/c0t0d0s0
returned
mount: Mount point cannot be determined


I placed the boot info for the current setup into the Snippet section of this question.  If anyone has ideas on what's going on here, or how to solve any of these problems, please let me know.  Thanks! 
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syncing file systems... done
rebooting...
 
SC Alert: Host System has Reset
Probing system devices
Probing memory
Probing I/O buses
 
Sun Fire V125, No Keyboard
Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
OpenBoot 4.22.17, 2048 MB memory installed, Serial #xxxxxxxx.
Ethernet address xxxxxxxxxxxxxxxx, Host ID: xxxxxxxxxx.
 
 
 
Rebooting with command: boot
Boot device: disk1:a  File and args:
SunOS Release 5.10 Version Generic_118833-36 64-bit
Copyright 1983-2006 Sun Microsystems, Inc.  All rights reserved.
Use is subject to license terms.
Hardware watchdog enabled
The / file system (/dev/rdsk/c0t0d0s0) is being checked.
 
WARNING - Unable to repair the / filesystem. Run fsck
manually (fsck -F ufs /dev/rdsk/c0t0d0s0).
 
Dec 18 21:19:44 svc.startd[7]: svc:/system/filesystem/usr:default: Method "/lib/
svc/method/fs-usr" failed with exit status 95.
[ system/filesystem/usr:default failed fatally (see 'svcs -x' for details) ]
Requesting System Maintenance Mode
(See /lib/svc/share/README for more information.)
Console login service(s) cannot run
 
Root password for system maintenance (control-d to bypass): Hostname:
[+][-]12/18/08 11:39 PM, ID: 23210708Expert Comment

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About this solution

Zones: Sun Solaris, Unix Setup, Unix Operating Systems
Tags: Solaris, SunOS, 5.10, SPARC
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Solution Provided By: andel7
Participating Experts: 2
Solution Grade: B
 
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