Adaptec RAID 2405

昨天把Adaptec Serial ATA II RAID 1430SA換成了Adaptec RAID 2405。果然RAID卡是要貴一點的才像樣。雖然同樣是行RAID 10，但性能和方便性實在差大遠了。這都是拜Open Source Driver所賜。假如有錢的話，我想我買的應該是貴一倍多的Adaptec RAID 5805。

Seagate 7200.10 ST380815AS (80G SATAII 8M) / SB600
# hdparm -t /dev/sda
/dev/sda: Timing buffered disk reads: 220 MB in 3.00 seconds = 73.30 MB/sec

Seagate 7200.10 ST3320620AS (320G SATAII 16M) / Adaptec 2405 RAID 10
# hdparm -t /dev/sdb
/dev/sdb: Timing buffered disk reads: 650 MB in 3.01 seconds = 215.94 MB/sec