Re: Booting from SAN or local?
- From: "John Toner [MVP]" <jtoner@xxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 21 Sep 2005 10:13:41 -0400
In my experience, it's always better and easier to boot off local mirrored
disks rather than booting from SAN. If you must boot from SAN, you should
always use a local disk for your pagefiles...I'd guess this would be where
things might slow down for you if you've got swap space on a SAN disk.
If you don't have page files on the SAN and the boot disk on your SAN still
seems to slow things down, you might want to look into your SAN as this
should not be the case.
Regards,
John
"Shane" <Shane@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:5C85DCB4-77B4-424D-B7E6-78D3F844805C@xxxxxxxxxxxxxxxx
> Hi,
>
> We currently have 3 2-node clusters connected via a fibre switch to our
SAN.
> Our boot disks also boot the server from the SAN.
>
> My question to the group is: What is the preferred method of booting. My
> opinion is it would be local with a mirrored disk seeing as booting up off
> the SAN is really slow.
>
> Does having the system disk on the SAN slow things down in a SQL and file
> sharing cluster environment?
>
> Any ideas would be great as I think doing the disks local would have
> performance advantage but I would need to produce something to management.
>
> Cheers
>
> Shane
.
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