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Old 03-19-2009, 04:33 PM   #1
an0r0c
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Cannot access my System HDD with cfdisk, during System is running from this disk


Hi,
I am new in this forum, i've read here a lot before and so i decided to register.

I have a problem with a server running a debian.
I made 3 partitions:
/dev/sda1: /
/dev/sda2: swap
/dev/sda3: /var
after installation i had todo a kernel update for my vmwareserver and there came the problems.

With my new kernel i cannot acces the hdd with cfdisk / fdisk ...

the /dev/sda files does not exists
Code:
:/#  ls /dev/ | grep sd
:/#
but /dev/sda1 is mounted ....
Code:
:/# df -h
Dateisystem          Gr▒▒e Benut  Verf Ben% Eingeh▒ngt auf
/dev/sda1              19G  3,9G   14G  23% /
tmpfs                 482M     0  482M   0% /lib/init/rw
tmpfs                 482M  4,0K  482M   1% /dev/shm
and in /proc/partitions there are also all 3 partitions listened
Code:
:/# cat /proc/partitions
major minor  #blocks  name

   8        0  244198584 sda
   8        1   19535008 sda1
   8        2    1951897 sda2
   8        3  222709095 sda3
This is the thing which is very strange for me

I'm not able to make a filesystem on my sda3 partition because he cannot find the /dev/sda3 file

im using kernel 2.6.28.7

I hope someone knows what I've made wrong, because google was not able to help me in this case

greez an0r0c
 
Old 03-19-2009, 06:48 PM   #2
AlucardZero
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Post the output of
Code:
ls -Al /dev/disk/by-path/

Last edited by AlucardZero; 03-19-2009 at 08:17 PM. Reason: removing extra ls
 
Old 03-19-2009, 06:58 PM   #3
syg00
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There's an extranious "ls" in there, but it won't do any harm. What does "fdisk -l" give (try it as root/sudo).
 
Old 03-20-2009, 05:36 AM   #4
an0r0c
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Code:
:# ls -Al /dev/disk/by-path/
ls: /dev/disk/by-path/: Datei oder Verzeichnis nicht gefunden
Code:
:# fdisk -l
:#
I think that looks not good?
 
Old 03-20-2009, 05:46 AM   #5
syg00
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Quote:
Originally Posted by an0r0c View Post
I think that looks not good?
That just might qualify as an understatement ...

Will need to think some more on this.
 
Old 03-20-2009, 09:33 AM   #6
AlucardZero
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What version Debian?
 
Old 03-20-2009, 07:11 PM   #7
syg00
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Quote:
Originally Posted by an0r0c View Post
after installation i had todo a kernel update for my vmwareserver and there came the problems.

With my new kernel i cannot acces the hdd with cfdisk / fdisk ...
Without knowing the changes, I suspect we can't help.
I don't know what version of fdisk you have, but the source I have shows /proc/partitions being run. I'm surprised you don't get a fatal error message if the device nodes don't exist.
 
Old 03-21-2009, 06:46 AM   #8
an0r0c
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So i checked my kernel and it's not possible that that is my kernels fault. Because my server hoster offers a netboot kernel with this kernel all the hardware should work , all but module support and I got the same problem.

fdisk version: fdisk v2.12r

in my dmesg it knows the harddisk:
Code:
scsi 0:0:0:0: Direct-Access     ATA      ST3250410AS      3.AA PQ: 0 ANSI: 5
sd 0:0:0:0: [sda] 488397168 512-byte hardware sectors: (250 GB/232 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:0:0: [sda] 488397168 512-byte hardware sectors: (250 GB/232 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
 sda: sda1 sda2 sda3
sd 0:0:0:0: [sda] Attached SCSI disk
Fusion MPT base driver 3.04.07
now i have really no idea what i have made wrong ...
 
  


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