2013/3/13 Gordon Messmer <yinyang@xxxxxxxxx>:
> On 03/12/2013 01:30 AM, Arun Khan wrote:
>>
>> @ Gordon - thanks for sharing this piece of info! In case of RAID
>> card failure, it is important to be able to recover the data (RAID
>> device) with a compatible replacement. Are the LSI MegaRAID
>> controller more reliable in this respect?
>
> I don't know. I would contact LSI support or sales and see what they
> have to say about it. I haven't had the occasion to move a disk array
> between one and another model of MegaRAID controller.
>
>> Software RAID is an option but I don't think hot swap is possible
>> without some tinkering with the mdadm tool a priori.
>> The systems will go to client site (remote), prefer to keep the
>> support calls to remove/replace hardware activity :(
>
> You're correct that adding a new disk to an mdadm array will require
> some CLI work. Probably most hardware RAID would do this automatically.
> I frequently do the CLI work remotely over SSH so that a local tech
> can swap the disk.
areca also produces hardware raid controllers that works nicely on centos.
--
Eero
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