CP指令(NFS下)的效能問題 - Linux
By Lauren
at 2010-11-01T19:59
at 2010-11-01T19:59
Table of Contents
感謝回應
我還要在消化一下大家的說法,尤其是高師龍大大的建議
不過我今天照我上一篇的想法做了一次
本來一切如我想得美好
但是等到在備份機上解tar的時候...還是一樣慢,2~3MB
所以搞了半天
根本是備份機上raid5校能太爛
有查到raid 5在大量小檔寫入的時候的確比較差
我看到數據大概是8MB每秒,沒想到我慢更多
我是用mdadm建沒有下什麼特別的參數
只有
mdadm -C /mnt/md6 --level=5 --raid-devices=3 dev1 dev2 dev3 -f
看來是要從mdadm下手才對了
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