[CentOS] Re: A question about RAID and partitions

Wed May 23 18:31:51 UTC 2007
Scott Silva <ssilva at sgvwater.com>

Brent L. Bates spake the following on 5/23/2007 8:56 AM:
>      I have 3 partitions:
> 
> 	/boot	- Because it can't be striped.  It is mirrored across 4
> 		  drives on 2 controllers, just so the disk space isn't
> 		  completely wasted.  The partitions are there, so I'm
> 		  using them.  Each drive is also bootable as I used GRUB
> 		  on each one.
> 
> 	swap	- 1 partition on 4 drives on 2 controllers and I just let
> 		  the OS handle the swap space anyway it wants to do and I
> 		  don't use any software RAID options. All 4 partitions have
> 		  `defaults,pri=1' in the /etc/fstab file.
> 
> 	/	- 1 partition on 4 drives on 2 controllers all striped
> 		  together as one file system.
> 
>      I've found over the years any more partitioning than that is just a waste
> of disk space.  If I had more partitions, I usually ended up with one
> partition with a lot of excess space and others with not enough.  It was just
> easier to have everything together.  On the current system we have about 600GB
> of disk space available with only 5% of it used.  I'm not worried about
> anything getting filled up any time soon.
>      Users who fill up drives get shot and then chastised.  :-)
Striping / is just asking for a chance to test how well your backups work if
you have a drive failure.

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