I realize it is all a best guess. What number does Exchange use to determine if a person is over or near the "mailbox" size limit as set in System Manager. Is it the number I see in System Manager or some other number?
Jim > -----Original Message----- > From: Dupler, Craig [mailto:[EMAIL PROTECTED]] > Sent: Friday, November 22, 2002 12:42 AM > To: Exchange Discussions > Subject: RE: Size of mailbox > > > Right. Remember, none of the numbers can be valid because > there is no such thing as a physical mailbox. They are > views, and as such, any size attributed to them is a > theoretical number obtained by summing a bunch of stuff. > Also, remember that notes and attachments associated with > calendar objects (i.e. appointments) get counted. But I'll > bet lots of stuff doesn't like holidays and such, but hey, > that's a wild guess. Also, if you stop and think about it, > the security attributes of any one object in Exchange have to > be almost infinitely extensible, to allow for all of the > changing view activity. I suspect that those attributes are > constantly causing objects to change size, but that those > sizes don't get updated very often within a view. > > If you stop and think about it, if there are three people on > the same store, and A, sends B a note, and then B forwards it > to C, it should get a few bytes larger in A's view assuming > that it is still in Sent Items. But I'll bet that step is > skipped, or massively deferred, which is going to make the > size data wrong for most items in most views most of the time. > > People can have lots of stuff linked that way. I've never > seen the exact formula for what gets added and what doesn't, > but I'll bet Sue knows, if you send her a note at Slipstick. > If she doesn't know, then no-one does. > > -----Original Message----- > From: Blunt, James H (Jim) [mailto:[EMAIL PROTECTED]] > Sent: Thursday, November 21, 2002 8:44 AM > To: Exchange Discussions > Subject: RE: Size of mailbox > > > Jim, > > Regardless of the "the trend I see for all other users", I > would have a problem believing either set of numbers. Here's why: > > The first set of numbers (if that is actually kilobytes and > not bytes) would indicate that there SHOULD be a total of > ~336mb in the first mailbox. Obviously, there > isn't...according to your report. > > The second set of numbers would indicate that there should be > a total of ~813mb in the second mailbox. Again, the numbers > still don't add up. > > The only way I can think of that your second set of numbers > would be accurate, is that you have some 3rd party piece of > software that actually saves all attachments off to a member > server and then stores a pointer with the message to the > actual location of the attachment, which is screwing up your > reports. But look at your second set of numbers. The TOTAL > for the entire mailbox is still smaller than just the > messages by themselves, without even adding in the attachment numbers. > > I think I'd go back to square one or go back and look at the > configuration of your reporting software, in order to make > sure you don't have it grabbing data for the mailbox reports > that doesn't belong to the mailbox. > > -----Original Message----- > From: James Liddil [mailto:[EMAIL PROTECTED]] > Sent: Thursday, November 21, 2002 7:35 AM > To: Exchange Discussions > Subject: RE: Size of mailbox > > > That helps but I still have some questions. I'll try to be > more clear. > > When I look in the Exchange System Manager at an account does > or does that not give one at least a relatively true size for > that persons mailstore size? > > Bindview tells me they simply use the numbers provided by > Exchange to get the report figures. This report gave me a > mailstore number size equivalent to that I saw in the System > Manager. (~3.4 meg this morning). > > All my confusion stems from the following. I run a report in > Bindview and the query terms have the following definition: > > -Message Size: This field contains the size (in k) of the > Message, including attachments -Attachment Total Size: This > field lists the total size of all attachments > (bytes) to the message > -Total Mailbox Size: This field contains the total size of > all messages (k). > > So I get: > > Message Size: 268356 k > Attachment Total Size: 75998 k > Total Mailbox size: 3341 k (this number matches what I see in System > Manager) > > For another person I get > > Message Size: 429069 > Attachment Total Size: 403223 k > Total Mailbox size: 425915 k > > > What are some reasons for mine having such a difference > between message size and total mailbox size? The data for the > second person matches the trend I see for all other users. > What is the most reliable number? And which number does > exchange use to determine what a person mailbox size is and > whether they are near or over limit? > > > And why am I asking all this? Our message store total is > close to 6 gigs for a company of 20 people. So then I decide > to use Bindview to get a better breakdown of the store. And > it appears that as with many orgs we have a lot of pack rats > with 80% (based on the bindview numbers) of their mailbox > space consisting of attachments. I want to make sure that > these at least some what reflect the real world numbers. Are > there better tools to get a handle on the store? > > Jim Liddil > > > > -----Original Message----- > > From: Dupler, Craig [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, November 20, 2002 5:36 PM > > To: Exchange Discussions > > Subject: RE: Size of mailbox > > > > > > Keep in mind that there is no such thing as a mailbox. So, > in a very > > real sense, it consumes little if any space. Ok, what is it. > > > > The store or more accurately the two stores are two large combined > > storage environments. One is used to manage inherently > private stuff > > (mailboxes) and the other is used to manage largely public stuff > > (public folders). Thus the priv and pub. You will often hear them > > referred to as "single instance stores or storage." There > are several > > important ways to think about what is in them. > > > > Everything is only in there once. If there are two copies of > > something, then the second copy is either not in one of the > stores, or > > there are multiple servers and something has been replicated due to > > the requirements implied by the rights (more on this below). > > > > A mailbox is a view of the contents of the two stores. A > mailbox view > > includes the entire hierarchy of the pub store and only > those items in > > the priv store that are assigned to the security context > and "mailbox" > > that matches the user's current profile. One item mail may > appear in > > every last view of every last valid profile, or it may > occur in only > > one. > > That will depend on to whom it was sent, and how it was > > dispositioned in a particular view. If someone deletes and > > item, all that does is remove it from their view. It is not > > actually purged until it is deleted from all currently valid > > security contexts that have been linked into that store. > > > > As you can imagine, a fair number of cycles in the server > are spent on > > internal processes that maintain the integrity of the store. There > > are sweeping and garbage collection activities. > > > > Obviously, the storage allocated to a mailbox view is at > best and on a > > good day, only a theoretical value. It looks at the stored objects > > (including calendar items and journal entries) that can be > seen in in > > that view, and sums them. Obviously, the sum of all views is many > > times greater than the total physical size of the two stores on the > > typical server. But it is a convenient way of looking at the > > contents, and encouraging someone to delete stuff that they don't > > really need. But equally obvious, if I send two people on the same > > server as me a message and both of them delete it, but I keep > > a copy in my "Sent Items" folder, nothing has been deleted > > and the stores do not change size. All that changed was the > > contents of the two recipient's views. > > > > Does that help? > > > > -----Original Message----- > > From: James Liddil [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, November 20, 2002 2:04 PM > > To: Exchange Discussions > > Subject: Size of mailbox > > > > > > If look at my the storage size for my mail box it shows about > > 1,000,000 Bytes (~1000 KB.)Now just off hand this does not > look right. > > I then run report with Bindview for Exchange for the > attachment total > > and come up with ~74,000 KB which is larger than my total storage > > size. If I look in Outlook I see 240,000 KB for my folder > size. Can > > someone help me make sense of this? > > > > Jim Liddil > > > > _________________________________________________________________ > > 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] > _________________________________________________________________ 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]
