Block size or file size? -----Original Message----- From: Tony Hlabse [mailto:[EMAIL PROTECTED]] Posted At: Wednesday, June 19, 2002 9:37 PM Posted To: MS Exchange Discussions Conversation: Block Size Subject: Re: Block Size
I made a mistake. EDB files are a set of 4K byte pages/files. Log files are 5K files. As far as the OS goes the default should be fine. The info comes from various sources. One is Q314917 and the Disaster Recovery for Exchange 2000 article. Both are on MS's website. Also some books on Exchange go into this in detail. Also Application log files can be adjusted and is usually based on number of mailboxes.Both articles should help you. ----- Original Message ----- From: "Marc Mearns" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Thursday, June 20, 2002 11:31 AM Subject: RE: Block Size Tony Thanks for your response. Do you know where you got the information on Block size from? I am trying to get something in writing that explicitly says what the best block size should be for the database and the transaction logs. Regards -----Original Message----- From: Tony Hlabse [mailto:[EMAIL PROTECTED]] Sent: 20 June 2002 03:33 To: Exchange Discussions Subject: Re: Block Size 1 Yes log files should be put on a separate disk Not if you use multiple storage groups you will need separate physical disks. Raid 0+1 is best. Obviously this is in a perfect world. The block size is 4K As far as the other this link may help you further. http://www.microsoft.com/exchange/techinfo/tips/StorageTip1.asp ----- Original Message ----- From: "Marc Mearns" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Thursday, June 20, 2002 9:38 AM Subject: Block Size User Group We are using Exchange 2000 SP2 NT 2000 SP2 Can someone please point me to a document that will give me definitive answers to my questions below or can respond with positive answers: 1. What should the block size be for the Transaction logs (assuming that I have placed then on a different disk volume) 2. What should the block size be for the database taking into consideration that you have edb and stm files on the same volume. 3. What should the block size be for the operating system. 4. Can you please give an explanation as to why you would use the recommended block size for the above 3 questions. 5. Can anyone recommend a good TechNet article that covers this topic. Note I have looked on TechNet but have not really found anything concrete and on the user group archives. Regards Marc Mearns Mobile - 07775-630508 Office - 020 7695 0286 ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager ( [EMAIL PROTECTED] ). 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