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Re: Raid help needed !



On Thu, 15 Oct 2009 10:23:59 -0500
Jack Schneider <puck@dp-indexing.com> wrote:

> On Thu, 15 Oct 2009 09:03:26 -0500
> Jack Schneider <puck@dp-indexing.com> wrote:
> 
> > On Thu, 15 Oct 2009 03:31:36 +0200
> > Tom H <tomh0665@gmail.com> wrote:
> >   
> > > On Wed, Oct 14, 2009 at 1:48 PM, Jack Schneider
> > > <puck@dp-indexing.com> wrote:  
> > > > On Wed, 14 Oct 2009 15:19:56 +1100
> > > > Alex Samad <alex@samad.com.au> wrote:  
> > > >> On Tue, Oct 13, 2009 at 09:16:47PM -0500, Jack Schneider
> > > >> wrote:  
> > > >>> For over two years, I have used /md0 as / and /md1 under lvm2
> > > >>> with 7 partitions on this amd64 system.  I have migrated from
> > > >>> "etch" to "squeeze" without undue problems.  BUT, now I cannot
> > > >>> boot either kernel 2.6.30-1 or 2.6.30-2 with grub2, it fails
> > > >>> by not finding or identifying my swap partition.  It is one
> > > >>> of the seven partitions on /md1.  I can boot 2.6.26-2 without
> > > >>> error. I have looked at list archives and googled but nothing
> > > >>> helped. Since I have had minimal problems to this point, I am
> > > >>> not fluent in mirroring commands. My reading of mdadm & lvm
> > > >>> manpages doesn't seem to address swap issues.  Can someone
> > > >>> point me in the right direction???  
> > >   
> > > >> what is the error you are getting ?
> > > >> what happens when you type mount -a or swapon -a  
> > >   
> > > > Error: "The superblock could not be read or does not describe a
> > > > correct ext2 file system..fsck died with exit status 8  
> > >   
> > > > #   mount -a  gives :  wrong fs type, bad option, bad superblock
> > > > on dev/mapper/Speeduke-_swap,missing codepage or helper program,
> > > > or other error  (plus some others that says it's not
> > > > reading/recognizing /md1 )  
> > >   
> > > > #  swapon -a  gives:
> > > > swapon: /dev/mapper/Speeduke-_tmp: read swap header failed:
> > > > Invalid argument  
> > >   
> > > > #swapon /dev/mapper/Speeduke-_swap  (executes with out error)  
> > >   
> > > > Note:  see http://pastebin.com/m7cc9da3d  for a view of what
> > > > I've got in this system..  
> > > 
> > > I am confused... Before suggesting anything...
> > > 
> > > (1) All the output in pastebin is when booted into 2.6.26-2, I
> > > assume that the above mount and swapon are also when booted into
> > > 2.6.26-2.
> > >   
> > 
> > Hi, Tom  Thanks for the reply.
> > 
> > (1) No, Those are the responses I get when trying to boot into
> > 2.6.30-X  and get to the "type root password for maintenance". 
> >   
> > > (2) When you say that you cannot boot into 2.6.30-1 or 2.6.30-2
> > > because of your swap partition, are you not booting at all into
> > > these kernels or are you booting but swap is not mounting?
> > >   
> > (2)  When I try to boot into a 2.6.30-X kernel I get the repair
> > promt. as in (1) what it complains about is fsck.ext3: Bad magic
> > number etc...   
> > > (3) When you say that you have migrated from etch to squeeze
> > > "without undue problems", what do you actually mean?
> > >   
> > 
> > (3) I built this machine to run Debian as host for VirtualBox.  
> > Started with etch then etch & 1/2, lenny(testing), now
> > squeeze(testing) using aptitude dist-upgrades.
> > I had some expected Nvidia driver and gnome desktop glitches and
> > some NetworkManager instability.  I never got Compiz working
> > right... I have much cruft in /root (/md0) it's over 8 gigs of disk
> > space and /var-/home-/tmp are on (/md1)...
> >   
> > > (4i) Please post your grub.cfg.  
> > Here's the link.   
> > http://pastebin.com/m243acd1  
> > > 
> > > (4ii) Please post fstab and, while booted into the kernel with the
> > > mount and swapon output above, the following sequence:
> > > swapoff -a
> > > mount -a
> > > swapon -s
> > > swapoff -a
> > > swapon -s
> > > 
> > >   
> > I'll send (4ii) when I figure out how to get it.... 8-(
> > 
> > TIA,  Jack
> > 
> >   
>   
> 
> Hi, Tom
> 
> I've attached the FSTAB to the bottom of my prior pastebin post:
> 
> http://pastebin.com/m50e45f6a
> 
> 
> 
> swapoff -a  gives> Speeduke prompt
> mount -a    gives> [  982.179.186] VFS: Can't find ext3 filesystem on
> dev dm-0, 
> mount: wrong fs type,bad option,bad superblock
> on /dev/mapper/Speeduke-_swap, missing codepage etc... 
> mount: mount point /home/jack/XP_VDI does not exist
> (+  more similar)
> 
> swapon -s   gives> Filename Type Size Used Priority (no other data) 
> swapoff -a  gives> Speeduke prompt
> swapon -s   gives> (same as previous swapon -s)
> 
> 'Hope that helps!!
> 
> Jack 
> 
> 
Hi, Tom 

Response after the swapon -s to the mount cmd is

/dev/md0 and a bunch of the transient fs stuff.. tmpfs, proc, etc.

No /dev/md1!!  Which appears to be the same as Mitchell Laks problem.

Thanks, Jack


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