2) You don't reinstall the boot block over JumpStart (that I know of). Have dvdrom with solaris10 dvd, is there any possibility to install bootblk. X86 Solaris boot failure. Ask Question. Up vote 4 down vote favorite. Install grub and update the boot_archive file on your boot disks. This is a common problem on Solaris x86/64. Looks like the boot_archive is in an inconsistent state thanks to an ungraceful shutdown. Since PC hardware doesn't have Sun/Oracle's OpenBoot, it's.

But as per SUN, they have not mentioned to installboot block. Is it required in Solaris 10??

The 'easy' way to change boot partition, is to use fdisk, and it just magically works, after you change the 'active partition' on yourmain disk.EG:(Note 'p0', not 's0').
But I couldn't do that, due to hardware irritations. I had an internal IDEdrive, and an external SCSI drive. I wanted to boot off the external SCSI drive, but the BIOS would not let me.

Another 'easy' way to fix this, would be to use one of the various freeware'boot loader/manager' programs out there. But I wanted the 100% solarissolution.

The fix involves a double-boot. First, you need a solaris boot partitionon a main (IDE, presumably) drive. I had a left-lover mini solaris install on a partition on the IDE drive, so that solved that problem.An alternative, would be to make a small partition, then use 'dd' toraw copy the contents of a boot floppy to that partition. I have not confirmedthis works, but I guess it should.so, something likeshould do it

There seems to be what I consider a bug, in the boot text menu configurator.I initially set up solaris to boot off an IDE drive, but then copied thingsover to a SCSI drive. For various reasons, I needed the INITIAL boot blockloading to be from the IDE, but then continue with the root partition on theSCSI drive.

If I went into the 'edit boot properties' menu, changed the boot device, andwent back, I could boot fine off the second drive. But for some odd reason,it saved that configuration change on the SCSI DRIVE, not the IDE drive.

To make this change permemant, I had to copy/platform/i86pc/boot/bootenv.rcfrom the SCSI drive, to the IDE drive. A quick way to do this, assuming you are booted off the second drive:$ mount /dev/dsk/c0d0s0 /mnt$ cp /platform/i86pc/boot/bootenv.rc /mnt/platform/i86pc/boot/bootenv.rc

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how to Re-install solaris boot sector

If you can boot off cdrom or floppy, select your drive, and keep going,but you cannot boot directly off your disk: You need to update yourmaster boot record (MBR)

A way to verify this is your problem, is to doand compare the output. If they are not very similar, you dont have thesolaris boot sector code.

MSDOS does this for itself by 'fdisk /mbr'. Unfortunately, solaris fdiskdoes not have such a flag. So the 'easy' way to restore the solarismaster boot sector is to do

• use the fdisk menu to change active partition to something you dontwant, and save+quit
• then change it back to what you want.

A quicker, more direct way to do this was posted in alt.solaris.x86:but if you do this and mess things up, blame yourself, not me :-)

Note that the above proceedure is a SEPARATE operation from what'installboot' does. You would use the following command to load thesecondary boot code on the actual solaris fdisk partition