I ran perfmon and things seem to point to disl I/O bottleneck. The objects and counters monitored were as follows- PhysicalDisk\Disk Writes/sec PhysicalDisk\Disk Reads/sec
These were way above what MS seems to recommend via their formula of -Reads/sec +4* Writes/sec < # spindles *100 for raid 5 Also monitored were- PhyscialDisk \Avg. Disk Queue PhysicalDisk\Current Disk Queue Avg. Disk Queue length is always at least twice the # of spindles and Current Disk Queue length is always over 0(it never drops to zero) Finally PhysicalDisk \Avg. Disk sec/Read PhysicalDisk \Avg. Disk sec/Write This is also always above MS recommended .050 for both For Process(store.exe)\IO Read Operations/sec is about 400 and Write Operations/sec is around 200. The hardware is an HP MSA500 ultra3 scsi. Is it possible I need a faster bus?(fibre channel) or is something misconfigured? Thanks -----Original Message----- From: Kevin Gent [mailto:[EMAIL PROTECTED] Sent: Friday, January 14, 2005 6:13 PM To: ActiveDir@mail.activedir.org Subject: Re: [ActiveDir] OT:scsi controller errors or maybe a dying drive in the array ? ----- Original Message ----- From: "Renouf, Phil" <[EMAIL PROTECTED]> To: <ActiveDir@mail.activedir.org> Sent: Friday, January 14, 2005 5:19 PM Subject: RE: [ActiveDir] OT:scsi controller errors I know a long time ago an eventid 9 on a scsi controller or disk could also indicate a hardware issue. You might have a faulty/dieing controller. Not saying that is the answer, but I've seen that event caused by it. Phil -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kern, Tom Sent: Friday, January 14, 2005 2:48 PM To: ActiveDir@mail.activedir.org Subject: RE: [ActiveDir] OT:scsi controller errors I checked eventid.net before posting(always do). those comments refer to tape drives and other devices sharing the scsi bus OR hardware issues. the storage box is on its own bus and i checked cables,termination,flashed rom,etc. thanks -----Original Message----- From: Lou Vega [mailto:[EMAIL PROTECTED] Sent: Friday, January 14, 2005 2:41 PM To: ActiveDir@mail.activedir.org Subject: RE: [ActiveDir] OT:scsi controller errors EventID.NET my friend.... http://www.eventid.net/display.asp?eventid=9&eventno=2059&source=adpu160 m&ph ase=1 They almost always have the answer to my event log questions! :) Regards, Lou -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kern, Tom Sent: Friday, January 14, 2005 2:32 PM To: ActiveDir (E-mail) Subject: [ActiveDir] OT:scsi controller errors I'm running an active/passive Exchange2k cluster on win2kadv sp 4. lately i've been getting alot of event id 9 in the system log- Event Type: Error Event Source: cpqcissm Event Category: None Event ID: 9 Date: 1/14/2005 Time: 9:12:04 AM User: N/A Computer: CLUSNODE2A Description: The device, \Device\Scsi\cpqcissm1, did not respond within the timeout period. List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
