Depending on your distribution, you may have been scrubbing all along.
> Notice that if you have problems with timeouts, then this scrubbing
> can break your array by causing you to hit a bad sector and fail as
> Phil and others have described in several of his referenced EMails.
I remember disabling scrubbing myself. My reasons were not very...
bright, but now it turned out to be a it's a good thing, because with
TL;DR disabled by default, it could lead to that kind of bad things
happening, yes. I remember having one drive kicked out of an array in my
home storage, and since then, I've learned to use write-intent bitmaps
to re-add them more easily. But I'm a BAARF person, so I only have
mirrors; I wonder what happens if the only drive in a degraded mirror
fails?..
I took the script from this Email:
https://www.marc.info/?l=linux-raid&m=144661276420400&w=2
and dropped that code in my /etc/rc.d/rc.local after verifying that my
Linux distribution still ran that script on every startup. YMMV.
That solved my problem. Good luck.
I was afraid to learn that my latest pack of drives are modern enough to
be castrated already, but it turned out they are not. :) My anime is
safe with the last 5900RPM Hitachi drives available, and they do support
TL;DR. I wish Hitachi made more 5900RPM drives for such purposes...
--
darkpenguin
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