Re: [CentOS] RAID on Email Server

2008-10-20 Thread Luke S Crawford
Guy Boisvert <[EMAIL PROTECTED]> writes: > Your %iowait seems high. > > I had %iowait comparable to you with a single 200 Gigs 7200 RPM IDE drive. > > Now we've upgraded this server: Opteron 2216 with 4 Gigs RAM, CentOS > 64 v5.2) and an Adaptec 3405 plus 4 x 73 Gigs Seagate 15K RPM (RAID > 10).

Re: [CentOS] RAID on Email Server

2008-10-10 Thread Matt
>> I have an email server running Exim, Dovecot, Spamassassin, Clam, etc. > > Firstly, I'd drop dovecot completely, cyrus-imapd has, for me, been a lot > faster and better optimised for situations where you have more than a few > hand full of users. > > Secondly, exim configs out of the box on Cent

Re: [CentOS] RAID on Email Server

2008-10-10 Thread Guy Boisvert
Matt wrote: Right now its running pretty good but here it is. 10:10:04 AM CPU %user %nice %system %iowait %idle 10:20:01 AM all 13.87 0.00 2.45 59.20 24.49 10:30:03 AM all 22.26 0.00 3.68 53.51 20.54 10:40:01 AM

Re: [CentOS] RAID on Email Server

2008-10-10 Thread Karanbir Singh
Matt wrote: I have an email server running Exim, Dovecot, Spamassassin, Clam, etc. Firstly, I'd drop dovecot completely, cyrus-imapd has, for me, been a lot faster and better optimised for situations where you have more than a few hand full of users. Secondly, exim configs out of the box on

Re: [CentOS] RAID on Email Server

2008-10-10 Thread Rainer Duffner
Matt schrieb: > I have an email server running Exim, Dovecot, Spamassassin, Clam, etc. > on Centos 4.x 32bit. On occasion I have disk I/O problems. Its > handling several domains and alot of email. Its currently on a single > SATA drive. I am thinking of moving too 3 drives with RAID 1 for > re

Re: [CentOS] RAID on Email Server

2008-10-10 Thread Jerry Franz
Matt wrote: Right now its running pretty good but here it is. Device:rrqm/s wrqm/s r/s w/s rsec/s wsec/srkB/swkB/s avgrq-sz avgqu-sz await svctm %util sda 0.60 142.80 67.20 170.20 678.40 2292.80 339.20 1146.4012.52 118.53 615.66 4.21 99.92 You have

Re: [CentOS] RAID on Email Server

2008-10-10 Thread Matt
>> I have an email server running Exim, Dovecot, Spamassassin, Clam, etc. >> on Centos 4.x 32bit. On occasion I have disk I/O problems. Its >> handling several domains and alot of email. Its currently on a single >> SATA drive. I am thinking of moving too 3 drives with RAID 1 for >> redundancy.

Re: [CentOS] RAID on Email Server

2008-10-10 Thread John R Pierce
Matt wrote: I have an email server running Exim, Dovecot, Spamassassin, Clam, etc. on Centos 4.x 32bit. On occasion I have disk I/O problems. Its handling several domains and alot of email. Its currently on a single SATA drive. I am thinking of moving too 3 drives with RAID 1 for redundancy.

[CentOS] RAID on Email Server

2008-10-10 Thread Matt
I have an email server running Exim, Dovecot, Spamassassin, Clam, etc. on Centos 4.x 32bit. On occasion I have disk I/O problems. Its handling several domains and alot of email. Its currently on a single SATA drive. I am thinking of moving too 3 drives with RAID 1 for redundancy. RAID 1 will h