新服务器上午五订货，周日就从深圳到武汉了，不得不夸奖一下现在的物流速度。上周一送到公司，我查看了主板型号：
Arima
PCB:41-CMG020-D01G
PWA:40GCMG020-D
然后在网上搜索了一下，在德国、美国等地也看到讨论和销售这款主板的信息：
Arima AMD Opteron Quad Core Socket F 3000 series
240 pin DIMM DDR2 Memory Slot with 1.8 V.
With Socket F 1207 Each CPU Has 4 Corresponding Memory Slots (see above)
1 x PCI Slot 60 pins (11+49)
Second slot has 82 pins (11+71)
8 x SATA Connections
2 x SATA Media Connections
40GCMG020-D400-100
香港ebay上也有销售信息：
Brand New AMD 16 Cores Server Motherboard.
Customize Made for Google by Arima, support 10 S-ATA II HDD & 64G RAM.
Design for Virtualization Technology, Render Farm or High performance Cluster Computing!
Only Supports Linux! Recommanded Operating System:
SUSE Linux Enterprise Server 11
VMware / ESXi
Xen® hypervisor, the powerful open source industry standard for virtualization
- Xen Supports Microsoft Windows Operating System
Free Express Shipping Method Upgraded. Arrival time is between 3~7 days.AMD Opteron has uncompromised design, unprecedented Performance-per-Watt. Quad-Core AMD Opteron processors with Direct Connect Architecture deliver industry-leading performance within a consistent footprint, and power and thermal envelops. Quad-Core AMD Opteron processors are the most power efficient server CPUs ever produced, thanks to Enhanced AMD PowerNow! technology and the addition of innovative CoolCore Technology. These innovations are designed to reduce total cost of ownership (TCO), data center power needs, and cooling costs by lowering the energy consumption of your IT infrastructure. Quad-Core AMD Opteron processors with Direct Connect Architecture enable industry leading virtualization platform efficiency. Featuring AMD Virtualization (AMD-V) technology with Rapid Virtualization Indexing, Quad-Core AMD Opteron processors can accelerate the performance of virtualized applications and improve efficiency of switching among virtual machines - so customers can host more virtual machines and users per system to maximize the consolidation and power saving benefits of virtualization.
Who using AMD OPTERON CPU? The World`s TOP 4 Cluster SuperComputers!
1st Place: Oak Ridge National Laboratory: Jaguar Supercomputer
2nd Place: Los Alamos National Laboratory: IBM Roadrunner Supercomputer
3nd Place: The University of Tennessee: Kraken Supercomputer
4th Place: Germany, the fastest computer in Europe: Jugene Supercomputer
Package Included:Arima AMD 16 Cores Server Motherboard
LITE-ON 650W Power Supply Unit
Max out put= 800W, 12V= 45A
(Special design for this motherboard. Regular PSU may not be able to power it up)
Options (please contact us after your order placed ):AMD Opteron 8356 CPU= $99/each (2.3G, 1000FSB, 75W, 2M L3 Cache)
Google Customize 4G DDR2 ECC REG RAM= $129/each
Complete Server: 2U AMD Opteron Server Quad 2.3G, 16G RAM, 500G HDD = $1860
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120536289451
Specs
Supports 4× AMD OPTERON 8000 Series Quad Core Processor
10× SATAII Ports, Supports up to 10pcs of SATA II Hard Drives
Supports up to 64G RAM (4G× 16)
4× 1Gb Ethernet Network Ports
1× PCI-E 16X Slot
我们同事没用机器带来的Suse Linux，在其上重新安装了一个CentOS企业版，另外加上我们需要的几个软件：Squid 2.7, MySQL 5, Apche 2.2.15, PHP 5.2.13及phpmyadmin，我另外安装了建站用的MediaWiki和Drupal系统，周二基本上都测试成功，周三就送到机房替换掉老服务器。
在新机器上看到4个4核CPU和16G内存比以前要爽太多了，于是将MySQL的一些参数进行了相应的调整。不过周四早上竟然死机了，要机房重启，以前很少有这样的情况，接下来两天也不理想，白天有时依然负载过高，晚上备份负载极高、时间过长，导致几个小时网站慢得难以访问，只有终止备份、重启MySQL，这大大出乎我的意料，原来想这台机器回来后几乎可以解决以前困扰我们很长时间的硬件瓶颈问题，可看来并不是这样。
除了MySQL还需要调整优化以外，还有就是我们数据量太大，导入、备份、迁移、运行Cron维护程序等操作过于集中，处理能力再强的服务器也会有力不从心的时候，后面还要继续优化、调整一些处理安排。另外，这次准备先决心解决硬件瓶颈的问题，该投入的还是要投入，后面还准备再购买2台这样的服务器，将目前数据量过大而集中放置的MySQL分散到三台服务器上，将Squid也分散开来，免得负载过高或者受到攻击等情况下，一个站的问题影响到全部网站。
看来再强的机器也不能瞎折腾、乱折磨，还是需要善待的。😄
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