[CentOS] Hot swapping drives

Mon Apr 16 05:40:57 UTC 2007
Feizhou <feizhou at graffiti.net>

Ashley M. Kirchner wrote:
> Feizhou wrote:
>> AFAIK there is NO hotswap support in Centos 4 unless libata with 
>> hotswap support was backported to the latest Centos 4 errata kernel.
>    I figured that out when I shoved the drive in and CentOS 4 just 
> stared at me, like nothing happened...
> 
>    Note: I have since then rebuild the machine with CentOS 5, and since 
> doing so the drives were already in the chassis so I never tried doing 
> this with v5 yet.  Maybe some time in the future as we add more drives 
> to the system...
> 

If you have two drives and you are using them as a mirror you can try 
unplugging one of them if you are still free to mess around. :P

If I have not read wrong, there should be no 'echo 
add/remove-single-device "${SCSI LUN}" > /proc/scsi/scsi' magic needed 
like you do on 2.4...