G4 XServe hangs when hot swapping drives

[Geoff Lee]

Chris Murphy wrote:
> Whenever removing these drives (drag icon to trash, wait, push handle, 
> wait for drive to spin down, pull drive), shortly thereafter the machine 
> is unresponsive. It's not possible to even ssh into the machine. This 
> occurs the vast majority of the time, at least 8 in 10 attempts.

What's in the system log? 

Does df report that the drives have really been unmounted? What happens if you use "diskutil unmountdisk" instead of dragging it to the trash? 

Cheers,

-geoff
> 
> To prepare them, they're inserted, and initialized using Disk Utility. 
> The drives are Apple drives, in Apple sleds. We've gone through a dozen 
> drives, and have used three different bays and the problem is the same.
> 
> Clearly the machine doesn't like what we're doing. Is there something 
> else that should be done when hot swapping these drives?
> 
> Capacity:    465.76 GB
> Model:    Hitachi HDS725050KLAT80
> Revision:    K2ABA20A
> 
> Machine Name:    Xserve
> Machine Model:    RackMac1,2
> CPU Type:    PowerPC G4  (3.3)
> Number Of CPUs:    2
> CPU Speed:    1.33 GHz
> Memory:    512 MB
> Boot ROM Version:    4.6.5f3
> Mac OS X: 10.4.8
> 
> 
> Chris Murphy
> Color Remedies (TM)
> New York, NY
> ----------------------------------------------------------------------
> Co-author "Real World Color Management, 2nd Ed"
> 
> 
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> 

-- 
______________________________________
Geoff Lee <G.Lee at ed.ac.uk>
Computing Support
School of Arts, Culture and Environment
University of Edinburgh
20 Chambers St,
Edinburgh, Scotland,
EH1 1JZ
Tel: +44 (0)131 650 2341
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