Messages in this thread | | | Date | Fri, 28 Mar 2003 13:03:42 +1000 | From | Ron House <> | Subject | Re: hdparm and removable IDE? |
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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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