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From: Rich Matheisen [MVP] on 2 Jul 2006 19:41 "Nick Gillott" <nick(a)gillott.co.uk> wrote: >6 disks >Volume 1 is RAID1+0 so is that 4 of the disks? >Volume 2 is RAID 5 over 4 disks. > >I'd guess that they are all 73GB disks. A 3-disk RAID 5 is bad (3 disks +1 hot spare). I'd rearrange that to be a 4-disk RAID 0+1 (or 10). >My personal opinion is that the partitioning is the problem. Check perfmon >for disk writes per sec. But first run ExBPA against it (www.exbpa.com) And "sec/write" too! >How much RAM? With delays that long I kinda doubt the problem is local to the one server. It's not impossible, but those are some pretty lengthy delays to be attributable to just memory or disk I/O. -- Rich Matheisen MCSE+I, Exchange MVP MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm Don't send mail to this address mailto:h.pott(a)getronics.com Or to these, either: mailto:h.pott(a)pinkroccade.com mailto:melvin.mcphucknuckle(a)getronics.com mailto:melvin.mcphucknuckle(a)pinkroccade.com
From: Rich Matheisen [MVP] on 2 Jul 2006 19:55 CasinoSA <CasinoSA(a)discussions.microsoft.com> wrote: >6 disks >Volume 1 is a two disk RAID 1+0 36GB Ultra3 SCSI 15K >Volume 2 is a four disk RAID 5 (3 active, 1 hot spare) 142GB Ultra3 SCSI 15k > >4 GB RAM > >I have previously ran BPA and it gave me no critical errors and only >suggested setting mailbox size threhholds because there are non now. > >Avg. Disck sec/Write Volume 1 = 5 >Avg. Disck sec/Write Volume 2 = 10 Add: Database ==> Instances \ Log Record Stalls/sec \ All instances MSExchangeIS \ RPC Operations/sec MSExchangeIS \ RPC Requests MSExchangeIS Mailbox \ Receive Queue Size MSExchangeIS Mailbox \ Send Queue Size MSExchangeDSAccess Process \ LDAP Read Time \ [Store.exe & inetinfo.exe} MSExchangeDSAccess Process \ LDAP Search Time \ [Store.exe & inetinfo.exe} MSExchangeDSAccess Domain Controllers\ LDAP Read Time \ all instances MSExchangeDSAccess Domain Controllers\ LDAP Search Time \ all instances Is anyone dismounting databases? Public folder or mailbox, doesn't matter -- they're all handling messages. -- Rich Matheisen MCSE+I, Exchange MVP MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm Don't send mail to this address mailto:h.pott(a)getronics.com Or to these, either: mailto:h.pott(a)pinkroccade.com mailto:melvin.mcphucknuckle(a)getronics.com mailto:melvin.mcphucknuckle(a)pinkroccade.com
From: CasinoSA on 6 Jul 2006 17:06 Based onthis current setup, where should I have the transaction logs, temp, and smtp queue information be written to? "Rich Matheisen [MVP]" wrote: > "Nick Gillott" <nick(a)gillott.co.uk> wrote: > > >6 disks > >Volume 1 is RAID1+0 so is that 4 of the disks? > >Volume 2 is RAID 5 over 4 disks. > > > >I'd guess that they are all 73GB disks. > > A 3-disk RAID 5 is bad (3 disks +1 hot spare). I'd rearrange that to > be a 4-disk RAID 0+1 (or 10). > > >My personal opinion is that the partitioning is the problem. Check perfmon > >for disk writes per sec. But first run ExBPA against it (www.exbpa.com) > > And "sec/write" too! > > >How much RAM? > > With delays that long I kinda doubt the problem is local to the one > server. It's not impossible, but those are some pretty lengthy delays > to be attributable to just memory or disk I/O. > > -- > Rich Matheisen > MCSE+I, Exchange MVP > MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm > Don't send mail to this address mailto:h.pott(a)getronics.com > Or to these, either: mailto:h.pott(a)pinkroccade.com mailto:melvin.mcphucknuckle(a)getronics.com mailto:melvin.mcphucknuckle(a)pinkroccade.com >
From: Rich Matheisen [MVP] on 6 Jul 2006 22:44 CasinoSA <CasinoSA(a)discussions.microsoft.com> wrote: >Based onthis current setup, where should I have the transaction logs, temp, >and smtp queue information be written to? NOT on the same RAID as the databases. You really only have two places to put them, and on of them is inappropriate. -- Rich Matheisen MCSE+I, Exchange MVP MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm Don't send mail to this address mailto:h.pott(a)getronics.com Or to these, either: mailto:h.pott(a)pinkroccade.com mailto:melvin.mcphucknuckle(a)getronics.com mailto:melvin.mcphucknuckle(a)pinkroccade.com
From: CasinoSA on 7 Jul 2006 03:06
What is the ideal hardware setup for a stand alone Exchange server for <500 users? "Rich Matheisen [MVP]" wrote: > CasinoSA <CasinoSA(a)discussions.microsoft.com> wrote: > > >Based onthis current setup, where should I have the transaction logs, temp, > >and smtp queue information be written to? > > NOT on the same RAID as the databases. You really only have two places > to put them, and on of them is inappropriate. > > -- > Rich Matheisen > MCSE+I, Exchange MVP > MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm > Don't send mail to this address mailto:h.pott(a)getronics.com > Or to these, either: mailto:h.pott(a)pinkroccade.com mailto:melvin.mcphucknuckle(a)getronics.com mailto:melvin.mcphucknuckle(a)pinkroccade.com > |