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SubjectRe: hdparm and removable IDE?
Alan Cox wrote:
> On Wed, 2003-03-26 at 04:41, Ron House wrote:
>
>>The scenario: I have a ViPower hot-swap mobile rack for swapping IDE HDs
>>on the fly. I am assuming that this device properly disconnects the
>>hardware and that I am faced with a software problem. Our technical
>>staff tell me that they have 'tested' hot swapping under RedHat 7.3
>>(Kernel 2.4.18-3) and it 'works'. In other words, they unmounted,
>>swapped, and mounted a new disk and didn't observe data loss. I am sure
>
>
> IDE hotswap at drive level is not supported by Linux. It might work ok.
> Providing you shut the drive down fully and flush the cache before you
> unregister/unplug and replug before registering the new interface

Thanks Alan. What is needed to do this? Is umounting and then
unregistering with hdparm -U enough to do this, or is something else needed?

--
Ron House house@usq.edu.au
http://www.sci.usq.edu.au/staff/house

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