approximating freebsd gmirror in dragonflybsd

[Alex Hornung]

On 2014-07-28 17:05, Roman Neuhauser wrote:
> # justin at shiningsilence.com / 2014-07-27 17:49:38 -0400:
>> I've done similar - streaming to a local disk.  There's no way with
>> just Hammer to have it automatically fail over; you'll have to
>> manually mark the working disk as the master and throw out the failed
>> former master.  For something truly automatic, you'd have to go for
>> hardware RAID.  There's some things possible with software RAID -
>> vinum or ccd or LVM, but you're wandering into uncharted territory
>> there.
> 
> based on info from alexh re device mapper[0,1], ccd(4) and vinum(8)
> i'd say i'm out of luck.
> 
> [0]
>   18:52 <@alexh> mirror? it's a return-error shim.
>   18:52 <@alexh> dmirror has a basic skeleton and some notes on how to
>                  implement, but that's it
>   18:53 <@alexh> personally I don't think that sort of raid is the way 
> to
>                  go; filesystems are a better place for that sort of 
> thing

vinum and cc should work just fine. I'm not sure why you imply that I 
said otherwise.

Cheers,
Alex