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Unable to read partition information from disk

Eric Sloof - NTPRO.NL

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Thursday, 7 December 2006

Unable to read partition information from disk

De bovenstaande melding werd zichtbaar nadat ik binnen mijn VI3 client met behulp van “Configuration� ,“Storage� en “Add Storage� een Disk/LUN probeerde toe te voegen. Deze Disk/LUN staat op een HP MSA 500 G2 en is met de ACU utility juist geconfigureerd. Uiteindelijk heb ik het probleem op kunnen lossen door via het Service Console een FDISK uit te voeren. Eerst ben ik gestart met het zichtbaar maken van alle VMHA Devices en daarna aan de hand van deze lijst de partition table  opnieuw gecreëerd met FDISK.

[root@foxtrot rd]# vmkpcidivy -q vmhba_devs
vmhba0:0:0 /dev/cciss/c0d0
vmhba0:1:0 /dev/cciss/c0d1
vmhba0:2:0 /dev/cciss/c0d2

[root@foxtrot rd]# fdisk /dev/cciss/c0d2
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won't be recoverable.


The number of cylinders for this disk is set to 53547.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
   (e.g., DOS FDISK, OS/2 FDISK)
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.

Posted by
Eric Sloof
in Dutch at 14:23
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