[tech] Mylah switched off (was: Molmol the slightly more fileserver)

[David Adam]

On Mon, 27 Oct 2014, Andrew Adamson wrote:
> Things left to do are:
> -work out what is causing the mega-slowdown with l2arc

I disabled the L2ARC (read cache) which was stored on the system disks, 
because it was making the system pretty much unresponsive for anything 
that wasn't already in memory.

I don't actually know if there's a good way around this. Perhaps we should 
drop a pair of USB sticks in as a boot device. Or use the SSDs out of 
Mylah, because...

> -make molmol the primary domain controller for samba and turn off Mylah

We've done this.

Molmol is now running Samba 4.1 as the primary domain controller (using 
the old NT4-style domain, not the new AD stuff). Mussel is still the 
backup domain controller.

Mylah has been switched off by [BOB].

> -check the rsize and wsize nfs mount options that we've had for the last 
> 10 years are really still appropriate
> -fully decommission and de-rack the SAN
> -decide what to do with the netapp

[DAA]