> Seems like it should be the default....
> I mean, except in very very specific cases,
> should the virtual machine EVER care about the hardware details?

Yeah ... David makes an excellent point.
Seems like a virtualization violation, in the pure sense.
Have always found it odd that guests can "see" certain aspects about
the real I/O subsystem.

I would have liked to see this CHPIDVIRTUALIZATION option years ago.

-- R; <><



On Wed, Jul 10, 2013 at 9:58 AM, David Boyes <[email protected]> wrote:
>> -----Original Message-----
>> From: Linux on 390 Port [mailto:[email protected]] On Behalf Of
>> Bruce Hayden
>> This is also why OPTION CHPIDVIRTUALIZATION ONE (and also the
>> GLOBALOPTS
>> statement) was invented, so that relocating guests don't see the real paths
>> or care if the paths on the LPAR they move to change.  [snip] and also
>> "This option should be specified only when the guest is going to be
>> relocated. In addition to virtualizing the CHPID numbers, CHPIDV ONE results
>> in DASD path group ID virtualization."
>> I'm not sure why it is suggested that this option is only used for relocating
>> guests.  It seems that it would have been useful to you if your Linux guests
>> had this option in effect before you started changing the paths!
>
> Seems like it should be the default.... I mean, except in very very specific 
> cases, should the virtual machine EVER care about the hardware details?
>
> ----------------------------------------------------------------------
> For LINUX-390 subscribe / signoff / archive access instructions,
> send email to [email protected] with the message: INFO LINUX-390 or visit
> http://www.marist.edu/htbin/wlvindex?LINUX-390
> ----------------------------------------------------------------------
> For more information on Linux on System z, visit
> http://wiki.linuxvm.org/



--
-- R;   <><

----------------------------------------------------------------------
For LINUX-390 subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO LINUX-390 or visit
http://www.marist.edu/htbin/wlvindex?LINUX-390
----------------------------------------------------------------------
For more information on Linux on System z, visit
http://wiki.linuxvm.org/

Reply via email to