Prior to my last migration, I was seeing an SIS of 5-6 for most servers in a similar configuration, as well.
------------------------------------------------------ Roger D. Seielstad - MCSE Sr. Systems Administrator Inovis - Formerly Harbinger and Extricity Atlanta, GA > -----Original Message----- > From: Ed Crowley [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, October 09, 2002 1:20 PM > To: Exchange Discussions > Subject: RE: SIS and English > > > The customer with whom I am working at present has a SIS of 6 to 7 on > each of four primary mailbox servers, and they don't even attempt to > collect workgroups onto the same server. > > Ed Crowley MCSE+I MVP > Technical Consultant > hp Services > "There are seldom good technological solutions to behavioral > problems." > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]] On Behalf Of > Roger Seielstad > Sent: Wednesday, October 09, 2002 5:53 AM > To: Exchange Discussions > Subject: RE: SIS and English > > > Actually, it's the average number of references per message in the > store, and therefore you can extrapolate the amount of storage space > saved by SIS. > > Therefore, stores with an SIS of 3 mean an average of 3 references per > message. I find it rare to see SISs less than 2, unless there is very > little intraoffice email exchanged. > > ------------------------------------------------------ > Roger D. Seielstad - MCSE > Sr. Systems Administrator > Inovis - Formerly Harbinger and Extricity > Atlanta, GA > > > > -----Original Message----- > > From: Gary Barnett [mailto:[EMAIL PROTECTED]] > > Sent: Tuesday, October 08, 2002 5:54 PM > > To: Exchange Discussions > > Subject: RE: SIS and English > > > > > > Sounds to me that if x messages exist in the store and y > messages are > > duplicates, then the ratio can be expressed as a percentage of > > messages that are singly stored. > > > > Note that the number of bytes saved is not included in the > > calculation, hence > > the result says nothing about the number of bytes saved. > > > > I suppose you are supposed to assume that all the dups are > copies of > > forwarded jokes, MP3 and other large attachments, rather than 500 > > copies of "To the loser who stole my pen, please return it, ASAP!" > > > > --Gary > > > > > > -----Original Message----- > > From: Mark Hanji [mailto:[EMAIL PROTECTED]] > > Sent: Tuesday, October 08, 2002 2:36 PM > > To: Exchange Discussions > > Subject: SIS and English > > > > > > First, cool subject :-) > > > > Ex5.5, perfmon on MSexchangeIS private. > > I look at the "Single Instance Storage Ratio" counter and > > wonder: Does the > > word "ratio" means like the English "ratio" word, or it means > > actually how > > much data I save because I am using SIS? > > > > Idiot Question? Look at :Q160178 > > > > ============================================================== > > ============== > > ======== > > Single Instance Ratio: > > > > The ratio between the total number of message references and > > the total number > > of messages stored in the information store. This ratio > > indicates the amount > > of storage saved by single instance storage. > > ============================================================== > > ============== > > ========= > > > > The first sentence talks about ratio, which means some kind > > of mathematical > > relation. The second sentence talks about a permanent number > > - "amount of > > storage". > > > > Well?! > > > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Exchange List admin: [EMAIL PROTECTED] > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Exchange List admin: [EMAIL PROTECTED] > > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

