Questions about RAID 6
in [Debian]
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From: Mike Bird on 2 May 2010 22:20 On Sun May 2 2010 13:24:30 Alexander Samad wrote: > My system used to become close to unusable on the 1st sunday of the month > when mdadm did it resync, I had to write my own script so it did not do > mulitple at the > same time, turn off the hung process timer and set cpufreq to performance. A long time ago there were problems like that. Nowadays s/w RAID handles rebuild so well that we don't even have to set "/proc/sys/dev/raid/speed_limit_max". --Mike Bird -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/201005021919.06455.mgb-debian(a)yosemite.net
From: Alex Samad on 2 May 2010 22:40
On Sun, 2010-05-02 at 19:19 -0700, Mike Bird wrote: > On Sun May 2 2010 13:24:30 Alexander Samad wrote: > > My system used to become close to unusable on the 1st sunday of the month > > when mdadm did it resync, I had to write my own script so it did not do > > mulitple at the > > same time, turn off the hung process timer and set cpufreq to performance. > > A long time ago there were problems like that. Nowadays s/w well this was about 2-3 months ago. I had 3-4 large raid6/raid4 devices, if I didn't set the limit it would have taken tooo long Alex > RAID handles rebuild so well that we don't even have to set > "/proc/sys/dev/raid/speed_limit_max". > > --Mike Bird > > -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/1272854157.8710.0.camel(a)alex-mini.samad.com.au |