[Info-vax] The Road to V9.0

[Kerry Main]

> -----Original Message-----
> From: Info-vax <info-vax-bounces at rbnsn.com> On Behalf Of Phillip Helbig
> undress to reply via Info-vax
> Sent: July 9, 2019 2:39 PM
> To: info-vax at rbnsn.com
> Cc: Phillip Helbig undress to reply <helbig at asclothestro.multivax.de>
> Subject: Re: [Info-vax] The Road to V9.0
> 
> In article <gojge4Ffv6cU1 at mid.individual.net>, Hans Bachner
> <hans at bachner.priv.at> writes:
> 
> > Phillip Helbig (undress to reply) schrieb am 09.07.2019 um 09:36:
> > > In article <d8d756f6-2ff8-4f00-942a-6c8d2b287018 at googlegroups.com>,
> > > Jon Pinkley <jon.pinkley at gmail.com> writes:
> > >
> > >> Also, are there any initial plans about how shadowed system disks
> > >> will be handled when the system disk is not the quorum disk?
> > >
> > > Is there ever a situation where it would make sense to have the
> > > system disk be the quorum disk?
> >
> > If it is a non-shadowed shared disk it might as well serve as a quorum
disk.
> 
> Right, but a cluster is (also) about availability, and a non-shadowed
system
> disk is a single point of failure---in this case, for both nodes.
> 
> > > Why is the question of shadowed system disks related to the question
> > > of a quorum disk?
> >
> > A quorum disk can't be a shadow member anyway.
> 
> Right.
> 

Both points true, which is why in most Prod environments, the quorum disk
and often system disks are created using HW RAID drives.

Fwiw, where SAN's are available, I prefer HW RAID for system disks anyway as
they are less complex to manage from a system disk perspective than shadowed
system disks

Regards,

Kerry Main
Kerry dot main at starkgaming dot com