Unbootable solaris 10 x86

 
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Homework and Emergencies Emergency UNIX and Linux Support Unbootable solaris 10 x86
# 36  
Old 11-28-2010
Can you boot from your install disk?

---------- Post updated at 16:05 ---------- Previous update was at 16:00 ----------

I assume you can either boot from a CD or from another system. Then why not do that and then try mounting the offending filesystem with zfs mount ?
# 37  
Old 11-28-2010
Quote:
Originally Posted by Neo
Can you boot from your install disk?

---------- Post updated at 16:05 ---------- Previous update was at 16:00 ----------

I assume you can either boot from a CD or from another system. Then why not do that and then try mounting the offending filesystem with zfs mount ?
@Neo
Code:
What do you mean by boot from your install disk?

if you mean HDD , the answer is no i can't boot off HDD .
if you mean dvd , the answer is yes i can boot off dvd in single user shell.

i have no solaris x86 servers live right now , only SPARC , but i can install fresh system on alternate disk and attach the dead disk to that system , so what do i need to do zfs mount from either booting off dvd or from within another solaris 10 x86 machine .
what exact steps do i need to do a sucessful zfs mount , deatiled steps if you please
# 38  
Old 11-28-2010
I think you should not get ahead of yourself.

First, you should mount the offending filesystem from a working system and confirm that the filesystem is mountable (working).

Then post back ....
# 39  
Old 11-28-2010
Quote:
Originally Posted by Neo
I think you should not get ahead of yourself.

First, you should mount the offending filesystem from a working system and confirm that the filesystem is mountable (working).

Then post back ....
i have no clue how to do this exactly
if you mean to attach the courrpted disk to live system
and issue command like this without creating new pool

Code:
#zfs mount somepool
#zfs unmount somepool

the only way i konw is to create a new pool from scratch
with a command like this
Code:
#zpool create somepool  c0d0

then how can this be done more explainition required please
# 40  
Old 11-28-2010
Quote:
Originally Posted by h@foorsa.biz
1- It's a Western Digital - Caviar 80.0 GB black - IDE interface ( if you want i can give the exact paramteres )
Do you have another spare disk like that one available, with the same reference (manufacturer, size) ?
Quote:
4- I wanted more capacity so i powered off the server and add a new WD HDD IDE sized 160g to same IDE cable with slave jumper setting , then i powered on the server again , wired msg appeared at the bottom of screen highlighted in red "Bad PBR Sig". at first i thought its comming from BIOS then i found that it's from Solaris
then i powered off the server unplugged the second drive without change anything , i powered on again and since that server won't boot anymore that's all
That doesn't make sense. Pluging/unpluging a disk cannot cause a mbr to be rewritten anywhere. What else did you or someone else do on that Solaris disk ? Was there another disk plugged in where the second disk was inserted ?
What says
Code:
iostat -En

and
Code:
fdisk -G /dev/rdsk/c0d0p0

# 41  
Old 11-28-2010
Quote:
Do you have another spare disk like that one available, with the same reference (manufacturer, size) ?
Yes i have some disk like but not the exact firmware version , but i'll do my best to get with same exact paramteres

Quote:
That doesn't make sense. Pluging/unpluging a disk cannot cause a mbr to be rewritten anywhere. What else did you or someone else do on that Solaris disk ? Was there another disk plugged in where the second disk was inserted ?
That's exactly what happened to me Pluging/unpluging the disk
No one else or myself do something to that Solaris disk
Was there another disk plugged in where the second disk was inserted ? the answer is no
# 42  
Old 11-28-2010
The "Bad PBR Sig" error, meant that Solaris tried to skip the first disk and go to second disk. Was the second disk actually really brand new and unpartitioned?
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