I agree with this, which is why I recommended two partitions in my earlier message. Miss a few days' backups and you end up with a down system, not just a down store.
Ed Crowley MCSE+Internet MVP Freelance E-Mail Philosopher Protecting the world from PSTs and Bricked Backups!T -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of User, IS (PHES) Sent: Tuesday, May 24, 2005 1:57 PM To: Exchange Discussions Subject: RE: Hardware recommendation for Exchange 2003 It does do that, but by the same token let one set of run away logs kill your C: and crash the server and try to get it back up to deal with it. By the same token if something gets loose and fills up the OS drives temp or etc and fills up the space you no longer have logs which pretty much assures you that no mail will pass through your system. If you are forced to use 1 RAID1 array for both OS and Logs I would logically separate them so that one doesn't impact the other's storage needs. Bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Erick Thompson Sent: Tuesday, May 24, 2005 3:49 PM To: Exchange Discussions Subject: RE: Hardware recommendation for Exchange 2003 You mean a logical partition? I've tended to avoid that as it restricts the allocation of space. Thanks, Erick -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of User, IS (PHES) Sent: Tuesday, May 24, 2005 1:42 PM To: Exchange Discussions Subject: RE: Hardware recommendation for Exchange 2003 In the "If I didn't have this much..." category I would go ahead and partition the Raid1 partition for OS/LOG so that the log or OS growth wouldn't potentially crash the server if it tried to outgrow its space. Bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Evan Mann Sent: Tuesday, May 24, 2005 3:32 PM To: Exchange Discussions Subject: RE: Hardware recommendation for Exchange 2003 Ideally you want the OS on it's own RAID and drives, the Logs on it's own RAID and drives, and the stores on their own RAID and drives. You'd even go a step further to have each on their own controller, in a perfect world. But, I go with RAID1 for OS, RAID5 for LOGS, and RAID5 w/hotspare for stores. The OS/Logs are on internal server storage (2650) with internal RAID card and the store is an external JBOD running a separate RAID card. So I've got a mix of everything. If I didn't have this much to spend, I'd put the logs with the OS and keep the stores separate for sure. If your log's fill up the drive for some reason, it won't crash your stores if you do this. It will prevent mail flow however. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Aldrich Sent: Tuesday, May 24, 2005 4:15 PM To: Exchange Discussions Subject: RE: Hardware recommendation for Exchange 2003 I'm no Exchange guru, but I'd consider maybe a raid1 for the O/S and a raid5 for Exchange + DB files, log files, etc. The O/S can be quickly reinstalled and once you do that, you should be easily able to reconnect to the existing Exchange server, I would think. -----Original Message----- From: Erick Thompson [mailto:[EMAIL PROTECTED] Sent: Tuesday, May 24, 2005 4:08 PM To: Exchange Discussions Subject: Hardware recommendation for Exchange 2003 After a day spent without email due to a corrupted database, we're making changes to our Exchange 2003 setup. At the moment, we have a Compaq DL380, dual P3 866 with 2 gigs of RAM. There are four drive slots, with 4 36 gig drives, all set up together as a RAID 5 with a hot spare (72 total space). We have about 100 users (very heavy email usage), and are running a SharePoint portal site on the server as well. The system is heavily IO bound at the moment, so I need to do a drive reconfiguration. We're a non-profit, so I'm trying to keep hardware costs low. For Exchange 2003, do you think it would be better to have 1) Two RAID1 arrays, one for OS + Exchange + database files, and one for swapfile + log files 2) One RAID1 array with a hot spare for OS + Exchange + swapfile + log, and an external RAID5 array for database files 3) Same as #2, but with a RAID5 array instead of RAID1 4) Something else? For SharePoint, I'm thinking that a external RAID5 array would do the job, as the SQL Server backing SharePoint is what is causing the most problem. I'm trying to get the best uptime, followed by the best performance. Thanks for any help, Erick _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange To subscribe: http://e-newsletters.internet.com/discussionlists.html/ To unsubscribe send a blank email to [EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. 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