Feizhou wrote:
>
>> Looking at the manual for that system, the drives are hot-swappable -
>> even
>> with the onboard controller, but I am not sure if the linux software raid
>> supports hotswap. I guess you will have to test it.
>>
>>
>
> Linux software raid cannot due to partitioning issues or rather its
> support of partitions for raid devices. The disk might have to be first
> partitioned before it can be added to the array whereas hardware raid
> cards use the whole disk and do not have to worry about partitioning and
> therefore can make use of the disk immediately without any squabbles.
You wouldn't necessarily want the md driver to automatically write on
top of a new drive you added - unless you already had it included as a
hot spare.
--
Les Mikesell
lesmikesell at gmail.com