Re: Linux supports hot-swappable hardware? [was Re: - Mailing list pgsql-general

From Dennis Gearon
Subject Re: Linux supports hot-swappable hardware? [was Re:
Date
Msg-id 3EF09ABF.8020308@cvc.net
Whole thread Raw
In response to Re: Linux supports hot-swappable hardware? [was Re:  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-general
Again, if clustering can be made to work, with failover, load balancing,or whatever config you want, The failure points
becomejust 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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