RE: BE disk config

  • From: "Tim Sutton" <t.sutton@xxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Wed, 15 Sep 2004 12:29:47 +0100

I'd go with Greg's layout personally. Does he get a little gold star for
it? :)

The only other problem I can see is that you've got a lot of people all
dependant on one server, so if it falls / fails you could be in trouble.
Speaking from personal experience over the last few weeks having a
single point of failure for any critical (or even just mildly important)
systems is bad thing. Well, unless you like the stress and overtime ;)


Regards 
Tim Sutton 
IT Systems Manager

Troup Bywaters & Anders
Eastgate House
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On Tue, 14 Sep 2004 13:54:34 -0500 (CDT), Monika Rabarison
<monika.k.rabarison@xxxxxxxxxxxxxxx> wrote:
> http://www.MSExchange.org/
> 
> Great! Thanks again,
> 
> Monika
> 
> On Tue, 14 Sep 2004, Lara, Greg wrote:
> 
> > http://www.MSExchange.org/
> > 
> > I'd agree with the hot spare idea as well. To figure your quota, 
> > simply
> 
> 
> > multiply the mailbox size by the number of users. If it exceeds your

> > available disk space, lower the quota. Leave yourself a 15-20% 
> > margin of error to be safe. 15000 mailboxes at 50 megabytes each 
> > equals 750 gigabytes, which is more than you'll have available even 
> > if you allocate all 8 72 gig drives to your RAID 5.
> >
> > It sounds like you're doing this for a school. I'd recommend a 
> > relatively low mailbox size, which forces people to keep their house

> > clean. 15000 mailboxes at 25 megs requires 300 gigs, which would be 
> > within your comfort level.
> >
> > Greg Lara
> >
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> >
> > -----Original Message-----
> > From: Monika Rabarison [mailto:monika.k.rabarison@xxxxxxxxxxxxxxx]
> > Sent: Tuesday, September 14, 2004 1:10 PM
> > To: [ExchangeList]
> > Subject: [exchangelist] RE: BE disk config
> >
> > http://www.MSExchange.org/
> >
> >
> > Shawn,
> >
> > The hot spare idea is a good one.
> >
> > Thanks  a  lot,
> >
> > Monika
> >
> > On Tue, 14 Sep 2004, Shawn Moua wrote:
> >
> > > http://www.MSExchange.org/
> > >
> > > I would vote for Greg's setup as well.  However, you may want to 
> > > leave a 72GB drive as a hot spare (assuming your system is
capable).
> > >
> > > Thanks,
> > > Shawn.
> > >
> > > -----Original Message-----
> > > From: Lara, Greg [mailto:GLara@xxxxxxx]
> > > Sent: Tuesday, September 14, 2004 9:42 AM
> > > To: [ExchangeList]
> > > Subject: [exchangelist] RE: BE disk config
> > >
> > > http://www.MSExchange.org/
> > >
> > > This sounds like a test question. Here's how I'd do it:
> > >
> > > "C" drive = 2 x 18 mirrored
> > > "D" drive = 2 x 36 mirrored
> > > "E" drive = 8 x 72 RAID 5 (or)
> > > "E" drive = 4 x 72 RAID 5 x 2 (RAID 5+1, that is mirrored RAID 5 
> > > drives)
> > >
> > > The last option is the most secure, and costly, cutting your 
> > > possible database storage in half, and is probably a little over 
> > > the top for your needs.
> > >
> > > Install your system and boot files on C, Exchange logs on D, 
> > > private and public databases on E. Drive lettering for D and E 
> > > could be interchangeable.
> > >
> > > Greg Lara
> > >
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> > >
> > > -----Original Message-----
> > > From: Monika Rabarison [mailto:monika.k.rabarison@xxxxxxxxxxxxxxx]
> > > Sent: Tuesday, September 14, 2004 12:19 PM
> > > To: [ExchangeList]
> > > Subject: [exchangelist] BE disk config
> > >
> > > http://www.MSExchange.org/
> > >
> > >
> > > Hi all,
> > >
> > > I will have 15000 users and one BE server.
> > > What would be the best configuration for the
> > > (8 x 72 GB, 2 x 36 GB, 2 x 18 GB) disks on the BE?
> > >
> > > Thanks,
> > >
> > > Monika
> > >
> > >
> > >
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> > Monika Rabarison
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