Start running a performance counter on physical disk queues, logical disk queues, the POP3D service, processor queues and such and see what that shows.
John T eServices For You "Life is a succession of lessons which must be lived to be understood." Ralph Waldo Emerson (1802-1882) > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:Imail_Forum- > [EMAIL PROTECTED] On Behalf Of David Waller > Sent: Tuesday, November 07, 2006 8:06 AM > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > This is the second time I have spoken too soon. After 5 hrs of stability the > service is once again stopping every two minutes or so. > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of David Waller > Sent: 07 November 2006 15:51 > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > Daniel, > > I've been doing a lot of work today on this including a thorough defrag of > the relevent drives. CHKDSK report no errors as neither does event logs, > SMTP etc. absolutley nothing to give a clue. I'm sure it's not the NIC but > haven't ruled that one yet. Rather than re-install I copied a POP3 service > exe from another instance after renaming the old file but that didn't make a > difference. > > I disabled/asked users you were logging in very 30secs/minute and after all > that the POP3 service has remained reliable since about 11 a.m. this morning > (GMT). > > My thoughts are that this problem is due to a number of reasons, disk I/O is > the top of my list. I am fairly sure it's not the exe or the service itself > as this historically has been very stable. > > It may be prudent of me to start the process of examining the disks more > closely to see what is occuring at that level. > > Thanks again for you valuable advice and time. > > David > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Daniel Donnelly > Sent: 07 November 2006 15:33 > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > David, > > The fact that CHKDSK fixed it and it worked for most of a day, tells me that > there is more going on here than just user logins! > I'd suggest you try the rest of that procedure I recommended, earlier > (rename, restart, reinstall), on the chance that the sector of the disk > storing pop3d.exe is not good. It cannot hurt (unless the next sector used > is not so good)! > > And check that event log closely, fixing any warnings or errors! > If the OS is not working well, then neither can IMail. Don't forget the NIC > stuff and the page file size, either. > > I'm convinced that the problem is not the POP service itself. A telnet to > the service shows over 23,000 connections have been made (@10:15 am EST) > since the last restart, over 40 times more than I saw yesterday. A > significant improvement, but I'd say the basic problem still exists, if the > service is stopping again, but less often. > > While I've been typing, the telnet session has been open and is now over 10 > minutes. I'd say things are much better (although perfect will only come > when the system itself is perfect). > > A few 30 second or 1 minute re-connects will not cause this problem. POP3 > users login, connect, get updates and close the connection, usually a second > or two, when a fast link is used. > The POP3 response line show that only a few concurrent connections are > actually taking place (my connection made it 2, I've seen 8, but that went > down within a few seconds), so it is not like the connections are not > closing and building up to an overload level. Yes, it is good to remind > folks that there really is no need for a mail check every 30-60 seconds, but > those connections do not seem to be the real problem... > > Daniel Donnelly > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of David Waller > Sent: Tuesday, November 07, 2006 5:48 AM > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > > Bill, > > Thanks for this. I did find a few customers logging in every minute and some > every 30 seconds (no email is that important!). > > I'm going to have to raise this with Ipswitch. Customers are comlaining in > their droves. > > Thanks, > > David > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Matrosity Hosting > Sent: 07 November 2006 09:25 > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > Just curious but have you run analyze.exe on your logs to see the frequency > your users are logging in? > > I run this regularly to weed out the people that are logging in every 1 > minute. > > Bill Foresman > Matrosity Hosting > www.matrosity.com > 850.656.2644 > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of David Waller > Sent: Tuesday, November 07, 2006 4:14 AM > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > Spoke too soon. Problem restarted at 8:08 this morning. CHKDSK doesn't > report any problem. Is there a stability issue with POP3 service based on > login rate? > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of David Waller > Sent: 06 November 2006 20:29 > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > Our emails have just crossed. > > This is valuable information for anyone with this type of problem. > > Thanks again. > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Daniel Donnelly > Sent: 06 November 2006 20:04 > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > I've made a few connections to your server and some of those lasted over 50 > seconds (my telnet program counts time of connection and I saw 70 once, but > maybe some timeout makes it think it is longer). I saw numbers that got as > high as 80-8, but the second was always larger in the first few seconds > after the restart (not really surprising). It seems to take 10-15 seconds > before the restart completes. > > This is very strange operation! POP3 almost never stops and to see it doing > it every minute, is bizarre! > Does a re-install fix this at all? > If not, try renaming the pop3d.exe to .old and reinstall (bad disk sector, > maybe?). Set POP3 to Manual in services, and restart computer before > install, if at all possible. Reset service back to Automatic, if install > does not do this for you. > > Have you checked the HD? CHKDSK /F is still a good tool for many HD systems. > > Is your page file 3 times RAM? > > Did you find any other warnings or errors in the Event logs? Make them go > away! > > Sorry nothing more specific, but it has the feel of a system problem... > > Can you try another NIC in the computer? Is the driver for the current NIC, > the latest? Does the NIC have any power management enabled on it? > You might > try disabling that... > > Oh, I saw you playing with the service greeting... seems it's back to > normal, now. > > Daniel Donnelly > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of David Waller > Sent: Monday, November 06, 2006 2:42 PM > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > > It definitely is stopping - I get disconnected from Telnet when it happens. > > The numbers are (for each telnet connection) > 59-4 > 18-2 > 4-4 > > > The service stops at exactly :53 seconds past the minute every two minutes. > Some 30 seconds later the system restarts the POP3 mail service. > Imail > doesn't log down to the second logging to sys????.txt so I've set it to log > to the event log instead. > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Daniel Donnelly > Sent: 06 November 2006 19:12 > To: Imail_Forum@list.ipswitch.com > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > 1 minute is also the default poll interval for IMonitor. Shut it off, at > least for a while. > > What happens when you manually try to stop/start the service? If that goes > OK and quickly, does the restart have any effect on the situation? > > Did you enable logging in the POP3 service? Does the log show the service > restarting when you do it and nothing otherwise? Maybe the service is not > really stopping? If you telnet to port 110, the numbers at the end tell how > many current connections and how many since last restart. If yours is really > restarting every minute, I would expect the last number to be fairly small, > certainly less than a thousand. What does the first number show? > > Daniel Donnelly > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Dave Doherty > Sent: Monday, November 06, 2006 2:00 PM > To: Imail_Forum@list.ipswitch.com > Subject: Re: [IMail Forum] IM POP3 service keeps stopping > > > 60000 msec is one minute on the dot. > > Maybe it is never running. > > Are you getting mail though the POP3 service? > > > ----- Original Message ----- > From: "David Waller" <[EMAIL PROTECTED]> > To: <Imail_Forum@list.ipswitch.com> > Sent: Monday, November 06, 2006 1:26 PM > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > > > > > I'm seeing the POP3 service failing every minute - on the > dot... > > > > Event Type: Error > > Event Source: Service Control Manager > > Event Category: None > > Event ID: 7031 > > Date: 06/11/2006 > > Time: 18:29:53 > > User: N/A > > Computer: DRUM > > Description: > > The IMail POP3 Server service terminated unexpectedly. It has > done this 1 > > time(s). The following corrective action will be taken in > 60000 > > milliseconds: Restart the service. > > > > > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of David > Waller > > Sent: 06 November 2006 15:51 > > To: Imail_Forum@list.ipswitch.com > > Subject: RE: [IMail Forum] IM POP3 service keeps stopping > > > > There's nothing in the SMTP logs that's relevant. However, I am > seeing > > entries like: > > > > 11:06 15:55 POP3D UNK: > > > > Which I'm trying to find out what they mean. Aside from that > it's just > > logon/logoff successes > > > > David > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of David > Gregg > > Sent: 06 November 2006 13:57 > > To: Imail_Forum@list.ipswitch.com > > Subject: Re: [IMail Forum] IM POP3 service keeps stopping > > > >> Thanks for the advice. I will try what you suggest. > Unfortunately, > >> nothing of any consequence is being logged in the event log > other than > >> the rather generic "service stopped unexpectedly". > > > > Check the IMail log files. Lok for POP activity just prior to > the POP > > service stopping. It might give you some clue as to what is > causing the > > crash. > > > > Regards, > > > > David Gregg > > -- > > mxGuard for IMail > > The no-nonsense antispam and antivirus solution. > > > > Download a free 30-day trial at > > http://www.mxguard.com/postmaster/freetrial.asp > > -- > > > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > > > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: > http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
