Re: Raid1 stalls during hotplug and Promise SATA TX4

[Brad Campbell <brad@wasp.net.au>]

skrald@amossen.dk wrote:
> Can somebody help me decoding the behavior described below?
> 
> I have just bought a Promise SATA TX4 controler and runs software raid1 on
> it. According to
>    http://linux.yyz.us/sata/sata-status.html#tx2
> libata should support hotplug on this card.
> 
> Now, when I mark all partitions on /dev/sdb as faulty and do a
>    mdadm -r /dev/md0 /dev/sdb*
> the disc disappears from the arrays just fine.
> 
> Now I unplug the disc without shutting down first (I have two icy dock
> MB123 SK docking stations) which should work just fine according to the
> above link.

The short answer is libata does not yet support hotplug.

Brad
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