I'm referring to controllers in general and not the specific one(s) used in the original post.
> -----Original Message----- > From: Todd Raymond [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, September 11, 2002 11:54 AM > To: Exchange Discussions > Subject: RE: Slow performance > > > Are you referring to the array controller or the HGS80 > controller? If it is a raid controller then, no you don't > have to CHANGE it regularly - just charge it...when the time > comes for a charge the system will inform you. You then > initiate the charging process, and while it's charging the > cache will be disabled. > > > Also, Raid 5 on the SAN? I have seen serious performance > drops using large raid 5 sets with a san. > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]] On Behalf Of > Chris Scharff > Sent: Wednesday, September 11, 2002 9:40 AM > To: Exchange Discussions > Subject: RE: Slow performance > > A consensus? Probably no. But I'd tend to agree that if the > controller has a battery[1], it's OK to have it on. > > [1] Those need to be changed regularly.. If this is news to > you, you should have the cache disabled. > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, September 11, 2002 11:05 AM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > > > Is there a concensus on this? > > > > > > -----Original Message----- > > From: Andrey Fyodorov [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, September 11, 2002 7:12 AM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > > > I always thought that write-back cache should be always > > turned off, whether it has battery or not. > > > > -----Original Message----- > > From: Edgington, Jeff [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 6:29 PM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > > > hrm... possibly you have write cache disabled... MS only > > recommends that this is enabled when the cache on the > > controller has a battery, but it does sound like this might > > be the case. > > > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 5:18 PM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > > > Don't do diskkeeper against your store. The rest of your > > disk stats look to be OK. Maybe someone else can give you > > better advice about what perfmon items to look for to help > > track down the issue. > > > > > > -----Original Message----- > > From: Varghese, Wilson [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 2:55 PM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > > > The store is on a 135gig raid 5 partition.. 64gigs is used > > with 70.7 gigs free.. both pub and priv are on this drive. > > The drives are brand new drives and the database is also new. > > We just migrated the users over to this server about four > > weeks ago. I have not run diskkeeper on it though. > > > > Ram = 1.5 gigs.. page file is 2gigs on the C drive. > > > > Wilson > > > > > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 2:43 PM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > What kind of shape is your drive in? Have you run diskkeeper > > on it to check for fragmentation problems, and/or could you > > be running short of space? How does your page file compare > > to your RAM? > > > > David > > > > -----Original Message----- > > From: Varghese, Wilson [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 1:03 PM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > > > Thanks. I ran perfmon but it seems to show that the HDD is > > being heavily used. There is a lot of information in the > > calendars and quite a few people use it heavily. I'll keep > > poking around, this just gets so frustrating when everyone is > > screaming in your ear that "email is down". > > > > > > Wilson > > > > > > -----Original Message----- > > From: Gonzalez, Alex [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 11:59 AM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > We have the same problem but we have narrowed it down to a > > network issue. Run perfmon on the interface and check the > > kb's. Our server was running at like 15% but the nic was > > running at like 80 and killing the box. > > > > > > -----Original Message----- > > From: Tener, Richard [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 2:51 PM > > To: Exchange Discussions > > Subject: RE: Slow performance > > > > How much Ram do you have? Also is there a ton of info in your > > calander that people access at the same time? > > > > -----Original Message----- > > From: Varghese, Wilson [mailto:[EMAIL PROTECTED]] > > Sent: Monday, September 09, 2002 2:45 PM > > To: Exchange Discussions > > Subject: Slow performance > > > > > > Exch 2k sp2 on win2k sp2 machine (with 150 users) The > > machine is a Compaq DL380 hooked up to a Compaq SAN. The > > store drives are 5*32 gig (Raid 5) and the log and index > > files are on a mirrored 32 gig partition. > > > > > > Calendar and folder switching is very slow. Takes about 45 > > seconds to switch to a different folder or to access the > > calendar. Dismissing a calendar event can lock up outlook > > for several minutes. > > > > The log files and indexes are on separate drives but anything > > else I can do to speed this up a bit? > > > > If you can point me in the right direction, it would be > very helpful. > > > > Thanks, > > Wilson > > > > > > > > > > > > > > > > > > > > _________________________________________________________________ > > 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] > > > > _________________________________________________________________ > > 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] > _________________________________________________________________ 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]
