[CentOS] Hot swapping drives
Feizhou
feizhou at graffiti.net
Mon Apr 16 05:40:57 UTC 2007
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...
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