Subject: Re: Raidframe on pmax (and NFS locking)
To: Aaron J. Grier <>
From: Bill Studenmund <skippy@macro.Stanford.EDU>
List: port-pmax
Date: 01/26/1999 10:02:01
On Mon, 25 Jan 1999, Aaron J. Grier wrote:

> I'm really impressed...  I was trying to make a RAID 1+0 a few months
> ago with ccd, and was told that mirroring under ccd (at least on pmax)

I think Jason mentioned that morroring has always been broken on all

> was broken with little chance of it ever getting fixed.  And lo and
> behold, raidframe shows up, and I get the ability to do RAID 1+0, as
> well as RAID5.  :)
> Now I only question left before I start throwing things onto my pmax
> RAID is whether or not NFS locking works...  according to the rpc.lockd
> man page, in the BUGS section, it's noted that "No actual file or record
> locking is done."  Is anybody working on fixing it?  Mail spools over
> NFS with no locking is a recipie for disaster.

I don't think anyone's working on it. It's been proven (I don't have the
referece to the proof) to not work...

Take care,