[THIN] Re: mini-poll: mirrored disk or page file on a seperate disk?

  • From: "Joe Shonk" <JShonk@xxxxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Wed, 11 Dec 2002 14:40:15 -0800

Huh?  How do you do RAID 0+1 with only two drives?  You need 4 drives =
for that,  the blades only allow for two.

In any case, server class raid controllers generally support RAID 10 =
over 0+1.  RAID 10 is a little better that 0+1.

Joe

-----Original Message-----
From: Ziots, Edward [mailto:EZiots@xxxxxxxxxxxx]
Sent: Wednesday, December 11, 2002 2:56 PM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: mini-poll: mirrored disk or page file on a seperate
disk?



Defintely RAID 0+1, with page file as normal. Just make sure you size it
1.5X Physical memory.=20

EZ

-----Original Message-----
From: Joe Shonk [mailto:JShonk@xxxxxxxxxxxxxx]
Sent: Wednesday, December 11, 2002 4:34 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: mini-poll: mirrored disk or page file on a seperate
disk?



Definately A...  B will not give you extra performance.  Keep in mind =
=3D
that the Raid controller can read off of both disks in a RAID 1 senario.

2GB should be good.  Depends on how resource intensive your apps are.

Joe

-----Original Message-----
From: Charles Morrall [mailto:Charles.Morrall@xxxxxxxxxx]
Sent: Wednesday, December 11, 2002 1:59 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] mini-poll: mirrored disk or page file on a seperate
disk?


I'm semi-involved in a project where we are looking at deploying a =3D
fairly large farm (approx 30 servers) using blade servers. Each blade =
=3D
only has place for 2 drives, and we're not going to SAN attach them.
In this situation would you:
a) mirror two drives and place everything on this mirror set?
b) not mirror them and place the page file on it's own drive?
=3D20
Option a is obviously for a bit more redundancy, option b is for =3D
performance. Dual CPU blades with 2 or 4 GB RAM.
=3D20
/charles

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