Oh geez, I feel silly responding to myself, but, I found the message earlier
up from the dmesg output.
twe0: AEN: <twe0: incomplete unit for unknown unit 1>
twe0: AEN: <twe0: degraded mirror for unknown unit 1>
Now the issue, is this ordinal or cardinal? (starting from 0 or starting from
1?) Basically does unit 1 mean the 1st one, or the 2nd one? Looking at the driver
code it seems like it means the "2nd" one, but
hey better safe than sorry.
> Hey there, running 4.5-RELEASE-p3 with an SMP kernel, and I cannot believe I
>did not see this message before.
>
> twed0: <RAID5, Degraded> on twe0
> twed0: 229033MB (469060608 sectors)
> twe0: command interrupt
> Mounting root from ufs:/dev/twed0s1a
> twe0: AEN: <unknown AEN 0x221>
> twe0: AEN: <unknown AEN 0x321>
>
> Oh boy, I cannot believe I did not realize this, but the array has been
>degraded the whole time! Since I am not running STABLE, I do not have ata-control.
>Is there a way I can find out which drive is bad short
> of power cycling and taking a look at it? Do those error messages tell me which
>drive is down? Surprisingly, the performance has been quite excellent for a
>"degraded" system. I wonder if it is just a dodgy
> interconnect to the IDE backplane. (Pretty sure we ran into that issue when we were
>testing here before deploying it. Yes, it is as a colocation facility so I cannot
>just out right look at it easily. ) Is there a way to nab
> the status of it short of power cycling it?
> Maybe I should cvsup to get ata-control...
>
> -Carroll Kong
>
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-Carroll Kong
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