[GRLUG] RAID levels

[Adam Tauno Williams]

On Mon, 2011-10-03 at 08:08 -0400, Kevin McCarthy wrote:
> On Mon, Oct 3, 2011 at 6:14 AM, Adam Tauno Williams <awilliam at whitemice.org> wrote:
> In that case is RAID-6 even an option?  Software RAID (MD) doesn't
> support RAID-6.


> Where did you hear that?
> % head -n 1 /proc/mdstat
> Personalities : [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]

Correct, victim of older notes.

> % zgrep CONFIG_MD_RAID456 /proc/config.gz
> CONFIG_MD_RAID456=y
> Also, I don't have any enterprise experience with Linux RAID10, so I
> can't comment on its overall reliability, but don't forget to take it
> into consideration. It's much more flexible than RAID1+0, and should
> have better performance characteristics under certain circumstances,
> too.
> Non Standard RAID levels - Linux RAID 10

Yea, haven't played with it too much.  I have stacked MD's on top of
each other in the past.


-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.