[PLUG] IDE Driver problem

[Jeff Schwaber]

IDE's not supposed to be hot pluggable.

I refer you to this expert writing in to say Linux should block
hotpluggable IDE

http://www.ussg.iu.edu/hypermail/linux/kernel/0203.3/0633.html

On the other hand, you seem to work for a hard drive manufacturer, and
it's possible you have a system which can genuinely power down the
drive, and I can't find a decision on which way to go on the lkml. 

my less than half a cent.

Jeff

On Fri, 2003-08-08 at 10:48, lbrigman at fcpa.fujitsu.com wrote:
> I'm having a problem with IDE drivers but it seems to be partly due to the
> way
> I need to use them.
> 
> I need to boot my system without an IDE drive attached.  I plan on testing
> an IDE drive
> under program control.  An operator will attach a drive to the system and
> through a UI, start
> the proper test.  We have power control working and this test method works
> for SCSI and Fibre
> Channel devices.  Access to IDE drives work correctly provided the drive is
> attached and powered
> up when the linux kernel boots.
> 
> When loading the IDE driver manually from modprobe or insmod
> it does not scan for connect drives.
> The IDE driver load does scan the PCI and identifies the card
> and seems setup for supporting the proper devices but no IDE scans.
> 
> The hdparm tool fails as it cannot stat any of the devices that show
> registered in
> dmesg output when the driver is loaded.
> 
> Two other problems that also need to be solved.  Once I get a IDE drive
> connected
> and registered; at the end of the test I need to removed it and connect
> another device.
> When I do manage to get the first drive running, changing to the next drive
> always crashes
> the system.
> 
> The hdparm tool seems to be the way to do this but when no IDE drives
> register then
> the /dev/hdx device is unavailable.
> 
> Thanks for anyone's time that is able to help me on this.
> ----
> Larry Brigman
> Fujitsu Computer Products of America
> 503.693.2051 lbrigman at fcpa.fujitsu.com
> Coins 87-7935-2051
> 
> 
> 
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