Re: md: kicking non-fresh sdf3 from array!

[Phil Turmel <philip@turmel.org>]

Whoops!  The list was dropped...

On 12/27/2012 03:24 PM, Phil Turmel wrote:
> On 12/27/2012 03:20 PM, Mark Knecht wrote:
>> Thanks Phil,
>>    I've added the device back in and the rebuild is proceeding.
>>
>>    So the new piece of info here for me is this idea of a bitmap. I'll
>> have to go look into that, but a quick question - is that something
>> that can be added to the RAID6 at this time, or can you only do that
>> when you first build it? As I have some issue with my (possibly)
>> initramfs I expect I'll kick the devices a few more times before I get
>> it worked out. Would be nice if putting the disk back in didn't take
>> so long.
> 
> You can add a bitmap to any v1.x array after the fact with "--grow".  It
> does add a little overhead to the write path, so you might not want it
> in a heavily loaded server.  For a test-bed or other system prone to
> crashes, it's a godsend.
> 
> Phil
>