2012年2月21日 星期二

QNAP NAS Community Forum • View topic - [HOWTO] How to increase raid rebuild speed

QNAP NAS Community Forum • View topic - [HOWTO] How to increase raid rebuild speed:

cat /proc/sys/dev/raid/speed_limit_max
200000
cat /proc/sys/dev/raid/speed_limit_min
1000

md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.

echo 50000 >/proc/sys/dev/raid/speed_limit_min

watch cat /proc/mdstat

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