[OpenAFS] Deploying OpenAFS on VMs

[Hoskins, Matthew]

It varies by class of fs server, for instance our INF servers are 200g (in =
two 100g vicep), USR servers are 600G (3 * 200g vicep), JMB servers are 2T =
(one vicep). =20

Across the entire environment, all fileservers in a given class are exactly=
 the same.  Deployed from the same templates. =20

In the event we need to change the design, the change is implemented across=
 all VMs in the fs class to keep everything the same.=20



> -----Original Message-----
> From: coyhile@gmail.com [mailto:coyhile@gmail.com] On Behalf Of Coy
> Hile
> Sent: Monday, June 20, 2011 2:55 PM
> To: Hoskins, Matthew
> Cc: openafs-info@openafs.org
> Subject: Re: [OpenAFS] Deploying OpenAFS on VMs
>=20
> On Mon, Jun 20, 2011 at 12:56 PM, Hoskins, Matthew
> <Matthew.Hoskins@njit.edu> wrote:
>=20
> > =B7=A0=A0=A0=A0=A0=A0=A0=A0 Many fileservers / smaller fileservers:=A0 =
=A0This philosophy
> has
> > evolved as we have moved more into virtualized fileservers.=A0=A0 With
> physical
> > hardware you are limited by ABILITY TO PURCHASE.=A0 Meaning, you can
> only get
> > "x" number of servers of "n" size. =A0=A0This means if you want highly
> resilient
> > servers, you can only afford to by a few of them.=A0=A0 This can lead t=
o
> very
> > fat fileservers.=A0=A0 If you go for many cheap fileservers, you might =
be
> able
> > to get more distributed but end up suffering more small individual
> outages.
> > =A0=A0With virtualized fileservers you have full flexibility.=A0 On the
> virtual
> > platform, you get HA by default on every VM.=A0=A0=A0 After that you ge=
t to
> design
> > your fileserver layout decisions based on the DATA they will
> store.=A0=A0=A0 For
> > example, in our layout we have the following classes of fileservers:
> >
> > o=A0=A0 Infrastructure (INF) Fileservers:=A0 Very small fileserver, for
> highly
> > critical root.*, software, etc. the "bones" of the cell.=A0 Replicated
> of
> > course.
> >
> > o=A0=A0 User fileservers (USR):=A0 Home volumes, nuff said
> >
> > o=A0=A0 Bulk Fileservers (BLK): Almost everything else, projects, web
> content,
> > research data, yadda yadda
> >
> > o=A0=A0 Jumbo Fileservers (JMB):=A0 Used for ridiculously large volumes=
.
> These
> > fileservers are the only fileserver that has a VARIABLE vicep
> partition
> > size.=A0 =A0Used for archival data and some research projects.
> >
>=20
> Matt,
>=20
> What do you use for vicep* partition sizes?
>=20
> Thanks,