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Unbootable solaris 10 x86

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Homework and Emergencies Emergency UNIX and Linux Support Unbootable solaris 10 x86
# 29  
Old 11-28-2010
@jlliagre
Quote:
Originally Posted by jlliagre
!!!!
There was some hope for you to recover your data before but I'm afraid you somewhat compromise them with such a questionable command.
You overwrote the first partition by the full disk first 11 MB.
Achenle suggested you to output the dd command to /dev/null. That was to check if the disk was readable. He never suggested to output anything to the disk itself, which is something you should never do when trying to recover data.
Thanks for poiniting my attention to that typo

sorry it was a typing typo , i wasn't capturing the text came from shell
i did'nt do that
acutally i meant

Code:
#dd if=/dev/rdsk/c0d0p0 of=/dev/null  bs=1024k
#dd if=/dev/rdsk/c0d0p1 of=/dev/null  bs=1024k

this acutally what i entered in shell

is there still any hope after all

@ilikecows
i can't affored the cost of recovery service the very right now
i'm looking for a cheap software for recovery
Last edited by h@foorsa.biz; 11-28-2010 at 08:11 AM..
# 30  
Old 11-28-2010
Quote:
Originally Posted by DukeNuke2
@praveen_218

.... and of course not with a linux cd...
I think you can read a ZFS filesystem on Linux using Linux's FUSE:

Quote:
Linux

Porting ZFS to Linux is complicated by the fact that the GNU General Public License, which governs the Linux kernel, is incompatible with the Sun CDDL under which ZFS is distributed. According to some developers a single derived work of both projects cannot be legally distributed, as it is not possible to simultaneously meet both licenses' requirements. To include ZFS in the Linux kernel it would have to be cleanly reimplemented, and patents may hamper this.[46]

Another solution to this problem was to port ZFS to Linux's FUSE system so the filesystem runs in userspace instead, where it is not considered a derived work of the kernel. A project to do this was sponsored by Google's Summer of Code program in 2006[47] The original ZFS on FUSE project is available here. Sun Microsystems has stated that a Linux port is being investigated.[48] Development for ZFS on FUSE/Linux now takes place at zfs-fuse.net.

A native port of ZFS for Linux is being worked on. This ZFS on Linux port was produced at the Lawrence Livermore National Laboratory (LLNL) under Contract No. DE-AC52-07NA27344 (Contract 44) between the U.S. Department of Energy (DOE) and Lawrence Livermore National Security, LLC (LLNS) for the operation of LLNL. It has been approved for release under LLNL-CODE-403049. It does not yet implement ZPL layer, thus it's not possible to use it as a filesystem. Though it does implement user space virtual block device (vdev) creation through it's ZVOL interface. ZVOL virtual block devices may be formatted with a filesystem, affording the filesystem some of the benefits of the ZFS feature set. [49]

Reference
# 31  
Old 11-28-2010
@ilikecows: I soon realized my MB vs GB mistake but was too lazy to correct it as had my laptop turned off. I was sure someone would quickly catch it anyway. Glad to know the OP didn't actually ran that command.

@h: please let's restart from the beginning.
What precise drive model is this ?
How did you partition it at installation time ?
Is this a multi-boot configuration or Solaris only ?
Your partition table is severely bogus. Have you an idea about what was done for this to happen ?
# 32  
Old 11-28-2010
Quote:
Originally Posted by Neo
I think you can read a ZFS filesystem on Linux using Linux's FUSE:



Reference
yeah... but would you use something like this to recover lost data on a solaris system? why not use the real thing instead of a (maybe lousy) linux implementation?
# 33  
Old 11-28-2010
@jlliagre

Quote:
@h: please let's restart from the beginning.
What precise drive model is this ?
How did you partition it at installation time ?
Is this a multi-boot configuration or Solaris only ?
Your partition table is severely bogus. Have you an idea about what was done for this to happen ?
1- It's a Western Digital - Caviar 80.0 GB black - IDE interface ( if you want i can give the exact paramteres )
2- Default install options - no modification at install time root file system on ZFS
3- No multiboot - Only Solaris 10
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
Code:
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

@Neo

Not only FUSE is in your hand there is a promising project for ZFS on Linux regardless the difference between SUN CDDL and GNU Legislations or even the deep technical details between Linux and Solaris
# 34  
Old 11-28-2010
Quote:
Originally Posted by DukeNuke2
yeah... but would you use something like this to recover lost data on a solaris system? why not use the real thing instead of a (maybe lousy) linux implementation?
The point is not to discount something offhandedly, especially when the problem remains ill-defined.

I have no idea what the problem actually is, or how it can be fixed, since we don't know what the issue is, really.

It is not accurate to just completely discount using Linux as a potential "part of the solution", because, you said:

Quote:
...you can't mount a ZFS filesystem if you can't get "zpool import" to work. and of course not with a linux cd... but maybe i just don't understand what you are trying to do...
Your post (quoted above) strongly says that you can't mount a ZFS filesystem on Linux... which is not accurate.

---------- Post updated at 15:31 ---------- Previous update was at 15:05 ----------

Quote:
Originally Posted by h@foorsa.biz
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
If you properly powered off your server and simply added a new hard drive to the server; why not simply disconnect the new hard drive and go back to the original configuration and reboot?

---------- Post updated at 15:33 ---------- Previous update was at 15:31 ----------

You might also consider swapping the boot order of the hard disks in BIOS....

After re-reading the posts, it sounds like your original disk may be OK, and your OS is simply trying to boot off the wrong hard disk (the new one you just installed).
# 35  
Old 11-28-2010
@Neo
I already did disconnect the new HDD and powered on ,swaped the boot order of HDD's
with no luck
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