I would think software raid would be quite inappropriate considering
postgres when it is working is taking a fair amount of CPU as would
software RAID. Does anyone know if this is really the case ?
Dave
On 25-Sep-05, at 6:17 AM, Michael Ben-Nes wrote:
> I would consider Software Raid
>
>
> PFC wrote:
>
>
>>
>> Hello fellow Postgresql'ers.
>>
>> I've been stumbled on this RAID card which looks nice. It is a
>> PCI-X SATA Raid card with 6 channels, and does RAID 0,1,5,10,50.
>> It is a HP card with an Adaptec chip on it, and 64 MB cache.
>>
>> HP Part # : 372953-B21
>> Adaptec Part # : AAR-2610SA/64MB/HP
>>
>> There' even a picture :
>> http://megbytes.free.fr/Sata/DSC05970.JPG
>>
>> I know it isn't as good as a full SCSI system. I just want to
>> know if some of you have had experiences with these, and if this
>> cards belong to the "slower than no RAID" camp, like some DELL
>> card we often see mentioned here, or to the "decent performance
>> for the price" camp. It is to run on a Linux.
>>
>> Thanks in advance for your time and information.
>>
>> ---------------------------(end of
>> broadcast)---------------------------
>> TIP 4: Have you searched our list archives?
>>
>> http://archives.postgresql.org
>>
>
>
> --
> --------------------------
> Canaan Surfing Ltd.
> Internet Service Providers
> Ben-Nes Michael - Manager
> Tel: 972-4-6991122
> Cel: 972-52-8555757
> Fax: 972-4-6990098
> http://www.canaan.net.il
> --------------------------
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
>
>