How many disks are in each disk group? Thanks,
Jeremy Phillips -----Original Message----- From: Travis Krampy [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 17, 2008 10:12 AM To: MS-Exchange Admin Issues Subject: Re: SAN Setup Recommendations There are 2 disk groups actually, one that is a RAID5 and one that is a RAID1 The raid 5 disk group is split into 8 VRAID5 sets and the RAID1 disk group is split into 2 VRAID1 sets. Sorry I was not clear on this. Plus this is inherited, i never set this up, thats why im asking the experts! Travis "Barsodi.John" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] Sounds like you have one disk group and you've created several LUNs with varying Vraid types(1,5) within that Disk Group. Just remember the Vraid1 and Vraid5 sets are sharing the same disks within that Disk Group. Log writing and DB writing have different write patterns(sequential vs. random) so placing them on the same set of spindles could cause head contention. Best practice is separate spindles for logs and DB. Sounds like resources are limited, and depending on your performance requirements, this could be fine. - John Barsodi -----Original Message----- From: Travis Krampy [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 17, 2008 9:50 AM To: MS-Exchange Admin Issues Subject: Re: SAN Setup Recommendations I think, from how I am looking at it, it seems that all disks on the are all together in one big array (RAID5) then broken down into several smaller VRAID5 arrays. It looks like there is about 2TB of disk space allocated to Exchange each are 72Gb 10k drives Does that help any? Thanks Travis "Martin Blackstone" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > I'm not sure I understand it either. > Are these luns on separate spindles or all the same ones? How many disks > are > there dedicated to Exchange? > > -----Original Message----- > From: Jeremy Phillips [mailto:[EMAIL PROTECTED] > Sent: Wednesday, September 17, 2008 9:01 AM > To: MS-Exchange Admin Issues > Subject: RE: SAN Setup Recommendations > > Sounds right at first glance (I'm not sure I understand *exactly* how the > SAN is configured) but my main question would be whether the drives can > support the iops needed? > > Thanks, > > Jeremy Phillips > > -----Original Message----- > From: Travis Krampy [mailto:[EMAIL PROTECTED] > Sent: Wednesday, September 17, 2008 8:28 AM > To: MS-Exchange Admin Issues > Subject: SAN Setup Recommendations > > Hi All, > > Forgive me if I am not explaining this correctly... > > I am currently working in implementing an Exchange 2007 CAS/HT server as > well as an exchange 2007 server as a secondary mailbox server with the > existing Exchange 2003 seerver. > > Currently the Exchange 2003 server is setup to have all Logs and DB's on a > SAN. > > Before I set up the new exchange 2007 back end server, i want to make sure > that the SAN is setup properly for Exchange. > > As of now, there are 2 storage groups with 4 stores in each storage group. > > On the SAN, each store is stored in 8 individual Luns that are VRAID 5 > > the logs are stored seperately for each storage group in their own LUN > that > is a VRAID 1 > > so on my exchange server, i have 8 drives that are for stores, and drives > for logs. > > Does this sound like the SAN is implemented correctly for Exchange? > > Please advise > > Thanks > > Travis > > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~ ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~ ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~
