Solaris 10: Problems booting off mirror drive -- Error 22: No such partition Post: 302325721

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Operating Systems Solaris Solaris 10: Problems booting off mirror drive -- Error 22: No such partition Post 302325721 by etc on Tuesday 16th of June 2009 03:24:25 AM

06-16-2009

Registered User

Well, I think I should be able to boot off the mirror disk without removing the primary disk, after all, I can do that with Windows XP, which is the 3rd disk in the system.
But I did try that anyway and got the dreaded Error 22 for the thousand and one time.

I think this looks better:

# eeprom altbootpath=/pci@0,0/pci10de,376@a/pci1000,3150@0/sd@1,0:a

#: eeprom | grep -i bootpath
bootpath=/pci@0,0/pci10de,376@a/pci1000,3150@0/sd@0,0:a
altbootpath=/pci@0,0/pci10de,376@a/pci1000,3150@0/sd@1,0:a

BTW, found this line for x86, doesn't work either, neither file exists on my system:

# installboot /usr/platform/i86pc/lib/fs/ufs/pboot /usr/platform/i86pc/lib/fs/ufs/bootblk /dev/rdsk/${MIR_DISK}s2

#: ll /usr/platform/i86pc/lib/fs/ufs/pboot /usr/platform/i86pc/lib/fs/ufs/bootblk
/usr/platform/i86pc/lib/fs/ufs/pboot: No such file or directory
/usr/platform/i86pc/lib/fs/ufs/bootblk: No such file or directory

Update:

I was able to boot off the mirror disk, which was specified in the /grub/boot/menu.lst file.

Now question, just to be completely sure, how do I know which disk I booted off? Is there anything in the system logs that says "I booted off MIRROR disk and not primary"?

I did yank out the primary disk, tried to boot off mirror and went back to the Error 22 above.

How do I validate that the mirror disk is bootable? Can I swap primary and mirror disks and just let it boot?

Last edited by etc; 06-16-2009 at 01:20 PM..

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LEARN ABOUT SUNOS

grub

grub(5) 																   grub(5)

NAME

       grub - GRand Unified Bootloader software on Solaris

       The  current  release  of the Solaris operating system is shipped with the GRUB (GRand Unified Bootloader) software.  GRUB is developed and
       supported by the Free Software Foundation.

       The overview for the GRUB Manual, accessible at www.gnu.org, describes GRUB:

	      Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading  and  transfer-
	      ring  control  to  an operating system kernel software (such as Linux or GNU Mach). The kernel, in turn, initializes the rest of the
	      operating system (for example, a GNU [Ed. note: or Solaris] system).

	      GNU GRUB is a very powerful boot loader that can load a wide variety of free, as well as proprietary, operating systems, by means of
	      chain-loading.  GRUB  is	designed  to  address  the complexity of booting a personal computer; both the program and this manual are
	      tightly bound to that computer platform, although porting to other platforms may be addressed in the  future.  [Ed.  note:  Sun  has
	      ported GRUB to the Solaris operating system.]

	      One of the important features in GRUB is flexibility; GRUB understands filesystems and kernel executable formats, so you can load an
	      arbitrary operating system the way you like, without recording the physical position of your kernel on the disk. Thus you  can  load
	      the kernel just by specifying its file name and the drive and partition where the kernel resides.

       Among  Solaris  machines, GRUB is supported on  platforms. The GRUB software that is shipped with Solaris adds two utilities not present in
       the open-source distribution:

       bootadm(1M)

	   Enables you to manage the boot archive and make changes to the GRUB menu.

       installgrub(1M)

	   Loads the boot program from disk.

       Both of these utilities are described in Solaris man pages.

       Beyond these two Solaris-specific utilities, the GRUB software is described in the GRUB manual, a PDF version of which  is  available  from
       the Sun web site.  Available in the same location is the grub(8) open-source man page.  This man page describes the GRUB shell.

       boot(1M), bootadm(1M), installgrub(1M)

       http://www.gnu.org/software/grub

								    21 Apr 2005 							   grub(5)