| From: | Bjoern Metzdorf <bm(at)turtle-entertainment(dot)de> |
|---|---|
| To: | Rory Campbell-Lange <rory(at)campbell-lange(dot)net> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Help specifying new web server/database machine |
| Date: | 2005-06-08 16:41:01 |
| Message-ID: | 42A71F9D.6040604@turtle-entertainment.de |
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| Thread: | |
| Lists: | pgsql-performance |
Hi,
Rory Campbell-Lange wrote:
> We are considering two RAID1 system disks, and two RAID1 data disks.
> We've avoided buying Xeons. The machine we are looking at looks like
> this:
>
> Rackmount Chassis - 500W PSU / 4 x SATA Disk Drive Bays
> S2882-D - Dual Opteron / AMD 8111 Chipset / 5 x PCI Slots
> 2x - (Dual) AMD Opteron 246 Processors (2.0GHz) - 1MB L2 Cache/core (single core)
> 2GB (2x 1024MB) DDR-400 (PC3200) ECC Registered SDRAM (single rank)
Make that 4 or 8 GB total. We have seen a huge boost in performance when
we upgraded from 4 to 8 GB. Make sure to use a decent 64bit Linux.
> 4 Port AMCC/3Ware 9500-4LP PCI SATA RAID Controller
> 80GB SATA-150 7200RPM Hard Disk / 8MB Cache
> 80GB SATA-150 7200RPM Hard Disk / 8MB Cache
> 250GB SATA-150 7200RPM Hard Disk / 8MB Cache
> 250GB SATA-150 7200RPM Hard Disk / 8MB Cache
Three options:
9500-4LP with Raptor drives 10k rpm, raid 1 + raid 1
9500-8LP with Raptor drives 10k rpm, raid 10 + raid 1
Go for SCSI (LSI Megaraid or ICP Vortex) and take 10k drives
BBU option is always nice.
Regards,
Bjoern
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