Quoting Jon McCauley jmccauley@ontarioweb.ca:
I have done it in the past with with mediocre success... drive failure brought down the box - but once I disconnected the drive everything worked off the mirror.
Could that not be caused by your pin setting on the drives, since the master was still trying to over ride the slave........?
Probably not. Linux software RAID drivers do a nice job, if your hardware is healthy. If you have one drive "half-dead", usually the driver is not smart enough to stop using it, which often results in frozen box. It just keeps retrying to access failing drive, eventually blocking all disk I/O. I've run into it several times. Physical removal of failing drive is the only option.
I've no idea why the driver simply doesn't give up on the disk it has problem accessing, marking it as failed. Probably a case of missing code to implement the functionality ;-)
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