[mythtv-users] OT: 3ware 9500 - expanding RAID5 requires a reboot?

[Stroller]

On 3 Aug 2010, at 02:45, Greg Oliver wrote:
> Sun, Aug 1, 2010 at 5:16 AM, Stroller  
> <stroller at stellar.eclipse.co.uk> wrote:
>> ...
>> tw_cli shows the new size, but parted (e.g. sudo `parted /dev/sdb1  
>> p`) and
>> fdisk do not.
>>
>> I was under the impression that, upon completion of the migration  
>> of the
>> array the controller would inform the o/s. "hey, the drive's bigger  
>> now" and
>> allow the filesystem to be expanded.
>>
>> Obviously I can reboot the system, but I had thought and hoped that  
>> was
>> unnecessary. Perhaps my kernel is missing a relevant option?  
>> Googling turns
>> up some hits that suggest a reboot IS necessary for the new space  
>> to be
>> recognised, some hits that suggest not.
>
> You just need to issue a partprobe against the partition..  AFAIK,
> that is still the only tool that updates partirion tables to the
> kernel..

Thanks!

Also: `parted /dev/sdb p` NOT `parted /dev/sdb1 p`
Doh!

Stroller.