Adaptec 3405 RAID5 好慢

3 x WD2500YS
有冇C兄知道咩原因咁慢?
firmware已經up到最新
  1. # hdparm -Tt /dev/sda

  2. /dev/sda:
  3. Timing cached reads:   13508 MB in  2.00 seconds = 6765.18 MB/sec
  4. Timing buffered disk reads:  348 MB in  3.01 seconds = 115.80 MB/sec
  5. #
複製代碼
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