We need to upgrade a postgres server. I'm not tied to these specific
alternatives, but I'm curious to get feedback on their general
qualities.
SCSI
dual xeon 5120, 8GB ECC
8*73GB SCSI 15k drives (PERC 5/i)
(dell poweredge 2900)
SATA
dual opteron 275, 8GB ECC
24*320GB SATA II 7.2k drives (2*12way 3ware cards)
(generic vendor)
Both boxes are about $8k running ubuntu. We're planning to setup with
raid10. Our main requirement is highest TPS (focused on a lot of
INSERTS).
Question: will 8*15k SCSI drives outperform 24*7K SATA II drives?
-jay
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