thanks!! I agree with you on HP's controllers. I've been only working with them for 5 years, but i've never had a failure.
we use smart array 5i/6i controllers. Medeiros, Jose wrote: > Hi Tom, > > I hope you do mind if I throw in my two cents. I strongly agree with > Charlie. HP Proliant controllers are rock solid, I really like the > 5304 controllers and the newer replacement 6404. In answer to your > question, yes you can have multiple raid arrays off the same > controller, and in fact since a 5304 controller is a 4 channel > controller it is best to separate the arrays by having each on it's > own channel. I have had two Compaq controllers fail in my 10 years of > supporting Proliant servers one in 1997 on a SMART 2DH Raid > controller and the second was here at ADP with a 5304 controller. In > both cases Compaq / HP gave excellent support and with the 5304 > controller I was able to swap it out and recover the array with out > having to restore from backup not to mention that they also had a > replacement delivered with in 4 hours. My only recommendation is to > make sure you keep your controller firmware up to date. > > So with that said, running RAID 10 for your transaction logs is ideal > and even better for your data store, however if you have a small > environment then RAID 5 is fine as long as it is done on a hardware > based SCSI raid controller and not in the Operating System. > > Regards, > > Jose Medeiros > Former Vice President and Postmaster NTEA > MCP+I, MCSE, NT4 MCT > www.ntea.net > www.tvnug.org > www.sfntug.org > > > ---------------------------------------------- > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Charlie Kaiser > Sent: Monday, July 11, 2005 9:09 AM > To: ActiveDir@mail.activedir.org > Subject: RE: [ActiveDir] exchange upgrade (OT) > > > We use a DL380 with 6 drives for our E2K3 server. One RAID 1 set for > OS/Logs, one 3-drive RAID 5 set for the DBs, and a hot spare available > to both arrays. > Given our E2K3 org size (single server, DB of around 17gb, under 200 > mailboxes, low PF usage), this setup works fine. > We only use one controller. The HP controllers have been pretty > durable > for us. We've had issues with system boards or backplanes, but the > controllers have not given us any flak. You have to balance cost and > probability of failure with the desire for a second controller card. > I'd > base it on my SLA and uptime needs for E2K3. Eliminating a single > point > of failure (as in a single controller) is desirable, but in the end, > if > you lose one of your controllers, you're still going to go down for a > while. > If I had a larger E2K3 org and needed more drives (as in RAID 10 or > 0+1), I would consider the DAS cabinet that HP offers along with a > second controller. We use them for some of our other systems and they > have been fine. > I seem to remember that the price point between the DAS cabinet + > DL380 > vs a larger server with more internal storage worked in favor of the > DAS > cabinet... That was over a year ago, though. > We looked at going to a SAN at the time and decided that SAN > architecture and cost was well outside the scope of an E2K3 migration > project. > > > ********************** > Charlie Kaiser > MCSE, CCNA > Systems Engineer > Essex Credit / Brickwalk > 510 595 5083 > ********************** > > >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Kern, Tom >> Sent: Monday, July 11, 2005 8:50 AM >> To: ActiveDir (E-mail) >> Subject: [ActiveDir] exchange upgrade (OT) >> >> I'm moving to exchange 2k3 and i'm starting off with a fresh >> new server >> >> We use HP proliant DL's here. >> >> My questions are - >> I want to use raid 0+1 or raid 10(deoending on price) for the >> trans logs. >> I want to keep the exchange binaries and db seperate from the >> logs on a raid 5. >> >> To do this, do i need 2 raid controllers or can i just do this with >> 1? alos the proliants seem to only support 6 drives and for this >> solution i will need at least 7. >> Has anyone had experince with doing this on proliants with >> the smart array 6i controller? >> >> Thanks a lot >> List info : http://www.activedir.org/List.aspx >> List FAQ : http://www.activedir.org/ListFAQ.aspx >> List archive: >> http://www.mail-archive.com/activedir%40mail.activedir.org/ >> > List info : http://www.activedir.org/List.aspx > List FAQ : http://www.activedir.org/ListFAQ.aspx > List archive: > http://www.mail-archive.com/activedir%40mail.activedir.org/ > > List info : http://www.activedir.org/List.aspx > List FAQ : http://www.activedir.org/ListFAQ.aspx > List archive: > http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/List.aspx List FAQ : http://www.activedir.org/ListFAQ.aspx List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
