On Fri, 21 Jan 2005 12:40:14 -0500, Tee Darling <tee.darling77@xxxxxxxxx> wrote: > http://www.MSExchange.org/ > > Danny, > Since when did they stop making 72, 000 RPM SCSI disks? I am not > aware of this information but if you can point me to the site that > contains this information I would appreciate it. These days you can expect to find hard drives with RPM speeds at the following: 5,400 RPM - yes 7,200 RPM - yes 10,000 RPM - yes 15,000 RPM - yes 72,000 RPM - no > And also, what is the difference between what I said about the RAID > level 1 and 5 for transaction logs and the databases and the links you > have showed here? Let's here from you..... When responding to Microsoft Exchange related questions, I encourage a balance between personal experience and Microsoft's knowledge base articles [1]. I am sorry that you misunderstood the hyperlinks I supplied; my intention was to compliment your recommendations. [1] - And in this case, John Savill's FAQ - a reliable and solid source of information. Cheers, ...D