graid5 after-reboot problem

[Arne Wörner]

--- deniswork at uzvik.kiev.ua wrote:
> than i create new array, and all goes fine.
> I rebooted server few times, all was fine.
> I start coping my data, than power reboot happens...
> 
In rare cases a power failure might cause a UFS to be badly damaged, I think...
This is caused by write caches (in the disks and in graid5)...
U might want to run graid5 with sysctl kern.geom.raid5.wdt=0
(that disables the write cache in graid5, which slows down write requests)

-Arne


 
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