Messages in this thread | | | Subject | Re: hdparm and removable IDE? | From | Alan Cox <> | Date | 26 Mar 2003 14:33:07 +0000 |
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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
> Here are a few other factoids that may be relevant. This utility comes > with Windoze drivers to set up hot-swapping. I installed them and they > worked, but immediately Partition Magic started crashing Windoze > whenever it was run. This behaviour even continued after uninstallation > of the hot-swap drivers. Furthermore, at that point Linux started > producing lines like this in /var/log/messages: > > Mar 26 13:35:44 Loris kernel: hdd: dma_intr: status=0x51 { DriveReady > SeekComplete Error } > Mar 26 13:35:44 Loris kernel: hdd: dma_intr: error=0x84 { > DriveStatusError BadCRC }
Looks like it left the drive misprogrammed
Alan
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