Re: Arguments Pro/Contra Software Raid
От | Joshua D. Drake |
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Тема | Re: Arguments Pro/Contra Software Raid |
Дата | |
Msg-id | 4460DE97.9040001@commandprompt.com обсуждение исходный текст |
Ответ на | Re: Arguments Pro/Contra Software Raid (Vivek Khera <vivek@khera.org>) |
Ответы |
Re: [GENERAL] Arguments Pro/Contra Software Raid
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Список | pgsql-performance |
Vivek Khera wrote: > > On May 9, 2006, at 11:51 AM, Joshua D. Drake wrote: > >> Sorry that is an extremely misleading statement. SATA RAID is >> perfectly acceptable if you have a hardware raid controller with a >> battery backup controller. >> >> And dollar for dollar, SCSI will NOT be faster nor have the hard drive >> capacity that you will get with SATA. > > Does this hold true still under heavy concurrent-write loads? I'm > preparing yet another big DB server and if SATA is a better option, I'm > all (elephant) ears. I didn't say better :). If you can afford, SCSI is the way to go. However SATA with a good controller (I am fond of the LSI 150 series) can provide some great performance. I have not used, but have heard good things about Areca as well. Oh, and make sure they are SATA-II drives. Sincerely, Joshua D. Drake > -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/
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