[PLUG] Increasing a hardware RAID size and growing a Linux filesystem

Kenneth G. Stephens kens at kens.cad2cam.com
Tue Nov 18 07:08:02 UTC 2003


On Mon, 2003-11-17 at 21:34, Matt Alexander wrote:
> I would like to add a few additional disks to an existing harware RAID
> array.  The Adaptec controller should handle this fine for me, but what
> effect would this have on a Linux ext3 filesystem that's currently using
> the array?  I'm assuming the Linux filesystem will only know about what it
> had previously been formatted to use.  Or will things crash and burn?  If
> things don't die, is it possible to resize the Linux partition to use the
> new additional space?  Or do I need to copy the data elsewhere, rebuild
> the filesystem at the larger size, and copy the data back?
> Thanks,
> ~M
Adding disks to the hardware RAID will only enlarge the virtual disk
size and does nothing to the existing partitioning.  You still have to
create a partition and make a file system.  The additional disk will
appear as unformatted disk.

Ken Stephens
CAD2CAM.COM





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