| From: | Dennis Gearon <gearond(at)cvc(dot)net> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>, Jonathan Bartlett <johnnyb(at)eskimo(dot)com>, Ernest E Vogelsinger <ernest(at)vogelsinger(dot)at>, shridhar_daithankar(at)persistent(dot)co(dot)in, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Linux supports hot-swappable hardware? [was Re: |
| Date: | 2003-06-18 17:00:47 |
| Message-ID: | 3EF09ABF.8020308@cvc.net |
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| Lists: | pgsql-general |
Again, if clustering can be made to work, with failover, load balancing,or whatever config you want, The failure points become just the boxes, not all the individual parts inside. A lot easier to hot swap too, with good clustering software.
Bruce Momjian wrote:
> scott.marlowe wrote:
>
>>I've found that while it's a little harder to hot swap individual disks in
>>linux using sw RAID, the ability to make the raid behave exactly as I want
>>is worth it. Having lost a RAID5 set to a hw controller that simply had
>>the cable to two drives come loose but refused to accept them back into
>>the RAID5 after that without formatting them first, I'm no longer as wild
>>about hw raid controllers as I once was.
>
>
> It seems that RAID controllers seem to be as likely a failure point as
> disk drives.
>
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