[Ocfs2-users] Is there a way to expand a formated ocfs2 partition without loosi ng the data on it?

[Philippe Andries]

Title: Message

Hello

 

I have the feeling this may not be the right forum for the following question, but I d like to try it here anyway:

 

This is the case:

 

I had a 3x72GB HDD  RAID5 shared external disk drives (HP MSA500), totalizing about 145,6 GB of data.

I needed to increase the available amount of data, so I added a 4th 72GB HDD and using HP ACU I expanded my existing RAID5 Array, I have now about 218,5 GB available.

 

But this is of course not reflected in my partition table.  I had created 2 partitions on my drives, both formatted with ocfs2. I also run HP Mutlipath.

See the status here under:

[EMAIL PROTECTED] ~]# fdisk -l

 

Disk /dev/cciss/c0d0: 36.4 GB, 36414750720 bytes
255 heads, 63 sectors/track, 4427 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

 

           Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c0d0p1   *           1          13      104391   83  Linux
/dev/cciss/c0d0p2              14        4427    35455455   8e  Linux LVM

 

Disk /dev/cciss/c0d1: 218.5 GB, 218513571840 bytes
2 heads, 4 sectors/track, 53348040 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

 

           Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c0d1p1               1      488282     1953126   83  Linux
/dev/cciss/c0d1p2          488283    35565344   140308248   83  Linux

 

Disk /dev/cciss/c1d0: 218.5 GB, 218513571840 bytes
2 heads, 4 sectors/track, 53348040 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

 

           Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c1d0p1               1      488282     1953126   83  Linux
/dev/cciss/c1d0p2          488283    35565344   140308248   83  Linux

 

Disk /dev/md0: 1999 MB, 1999896576 bytes
2 heads, 4 sectors/track, 488256 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

 

Disk /dev/md0 doesn't contain a valid partition table

 

Disk /dev/md1: 143.6 GB, 143675555840 bytes
2 heads, 4 sectors/track, 35077040 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

My question is :

I would like to know how to resize my partitions to reflect the changes.

The problem is that I cannot afford loosing the data already on the ocfs2 partition. (the database).

Is there a way to expand a formated ocfs2 partition without loosing the data on it?

 

Thanks in advance for your answers,

 

 

Philippe Andries

 

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