[CentOS] Large RAID volume issues

[Ross S. W. Walker]

Rob Lines wrote:
> On Feb 4, 2008 3:16 PM, John R Pierce <pierce at hogranch.com> wrote:
> 
> 	with LVM, you could join several smaller logical 
> drives, maybe 1TB each,
> 	into a single volume set, which could then contain 
> various file systems.
> 	
> 
> That looks like it may be the result.  The main reason was to 
> keep the amount of overhead and 'stuff' required to revive it 
> in the event of a server issue to a minimum.  That was one of 
> the reasons for going with an enclosure that handles all the 
> RAID internally and just presents to the server as a single 
> drive.  We had been trying to avoid LVM as we had run into 
> problems using knoppix recovering it in the past.
> 
> It looks like we will probably just end up breaking it up 
> into smaller chunks unless I can find a way for the enclosure 
> to use 512 sectors and still have greater than 2 tb volumes.

LVM is very well supported these days.

In fact I default on LVM for all my OS and external storage
configurations here as it provides for greater flexibility and
manageability then raw disks/partitions.

-Ross

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