:) Fun issue! I never would have hit it.
-- O'Reilly Active Directory Third Edition - http://www.joeware.net/win/ad3e.htm -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Susan Bradley, CPA aka Ebitz - SBS Rocks [MVP] Sent: Tuesday, October 17, 2006 2:29 AM To: ActiveDir@mail.activedir.org Subject: Re: [ActiveDir] Seperating Database and logs on seperate disks AH HA http://support.microsoft.com/default.aspx?scid=kb;en-us;909265 residual energy drink kicked in Locate the operating system, the database, and the log files according to scenarios 1, 2 or 5. Drive letter assignments on the domain controllers do not have to match those in the table. joe wrote: > Wow... That is a psychedelic post... > > :) > > > -- > O'Reilly Active Directory Third Edition - > http://www.joeware.net/win/ad3e.htm > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Susan Bradley, CPA > aka Ebitz - SBS Rocks [MVP] > Sent: Tuesday, October 17, 2006 12:45 AM > To: ActiveDir@mail.activedir.org > Subject: Re: [ActiveDir] Seperating Database and logs on seperate disks > > In the back recesses of my brain I seem to remember a KB that indicated > issues when one was there and the other was there and then it got moved > over there but not consistent with there that not so good things > happened. (but I just ran out of Mountain Dew Energy drink so I could > be delusional right now) > > > joe wrote: > >> I am surprised there aren't more responses to this. >> >> My personal opinion is that a vast majority of installations don't need to >> separate off the logs for perf. In fact, I have often recommended running >> everything on a single RAID 0+1/10/5 (partition logically if you want to >> > say > >> separate off the OS and the AD stuff) to get better perf than splitting >> > logs > >> and OS off onto their own disks. Especially in larger orgs for Exchange >> > GCs > >> that tried to follow the deployment docs and do mirror, mirror, mirror or >> mirror, mirror, 0+1 but didn't have enough disks to get a good 0+1. >> >> In every case that I have had to review DCs with questionable disk >> > subsystem > >> perf, the issues are always around the DIT while the disks for the OS and >> the Logs are snoozing with IOPS sitting there not being used that could >> > have > >> saved the DIT from getting sucked into the mud. Rebuilding the disk >> subsystem with all disks in one of the above configurations has alleviated >> the issues in every case. Whether RAID 5 or 0+1/10 is faster you will want >> to test with your own disk subystems (say with IOMETER), it seems to vary. >> > I > >> have seen RAID-5 faster and I have seen on different machines 0+1/10 >> > faster. > >> A case I am aware of where the logs definitely were good off on their own >> and would have seriously impacted perf if they weren't was Eric's DIT >> experiment where he built a 2TB DIT but he was adding objects at a very >> > high > >> rate of speed constantly for quite a while so the logs were being beaten >> pretty well. >> >> joe >> >> >> -- >> O'Reilly Active Directory Third Edition - >> http://www.joeware.net/win/ad3e.htm >> >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of AD >> Sent: Monday, October 16, 2006 11:29 AM >> To: ActiveDir@mail.activedir.org >> Subject: [ActiveDir] Seperating Database and logs on seperate disks >> >> Is there any other reason other then performance to have the Active >> Directory log files and database on separate disks? >> >> Opinions are welcome. >> >> Thanks >> >> Yves >> List info : http://www.activedir.org/List.aspx >> List FAQ : http://www.activedir.org/ListFAQ.aspx >> List archive: http://www.activedir.org/ml/threads.aspx >> >> List info : http://www.activedir.org/List.aspx >> List FAQ : http://www.activedir.org/ListFAQ.aspx >> List archive: http://www.activedir.org/ml/threads.aspx >> >> >> > > List info : http://www.activedir.org/List.aspx List FAQ : http://www.activedir.org/ListFAQ.aspx List archive: http://www.activedir.org/ml/threads.aspx List info : http://www.activedir.org/List.aspx List FAQ : http://www.activedir.org/ListFAQ.aspx List archive: http://www.activedir.org/ml/threads.aspx
