2017-04-13 17:09 GMT+08:00 Reindl Harald <h.reindl@xxxxxxxxxxxxx>:
>
>
> Am 13.04.2017 um 10:13 schrieb d tbsky:
>>
>> Hi:
>> I just tried to install rhel 7.3 on a 4 disk raid6. it's a
>> minimal install but took 3 hours to finish. I found the disk
>> initialize speed is around 150MB/sec. in past the disk initialize
>> speed will down to slow speed when there are other disk IO, but it
>> seems not the case in rhel 7.3.
>>
>> I have check the below parameter:
>> cat /proc/sys/dev/raid/speed_limit_min -> 1000
>> cat /proc/sys/dev/raid/speed_limit_max -> 200000
>>
>> when the system is idle, the init speed is also about 150M/sec, so
>> the system is use all the power to init when there are other disk IO.
>>
>> is it normal? where should I check?
>
>
> sysctl.conf:
> dev.raid.speed_limit_min = 10000
> dev.raid.speed_limit_max = 50000
>
> sysctl -p
>
> and it will adjust itself within seconds - the same works if that values are
> too low and raid-check would take forever
hi:
my problem is the speed is too high, not too low...
Regards,
tbskyd
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