Hi John,
Thanks for the info. After adding the DASD to the user DIRECTORY I then
re-booted the Linux guest but still could not see the new DASD. I would
have thought that by re-booting the guest it have seen the new DASD. Do
you need to actually log off of the guest and back on before the new
DASD is seen by the guest!
I am doing this for the first time on both z/VM and z/Linux so if these
questions seem elementary while I am trying to sort this all out, I
apologize!
Thanks Again, Terry
-----Original Message-----
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Romanowski, John (OFT)
Sent: Saturday, May 31, 2008 8:24 PM
To: [email protected]
Subject: Re: Presenting Additional ECKD devices to Linux Guest
Dynamically
Terry,
After adding MDISKs to the linux guest's User directory entry and doing
the DIRECTXA the running guest can't see or use the new MDISKs until you
do CP LINK commands to the MDISKs from the guest's 3270 console or via
secuser or the other ways.
#CP Q V DASD from the guest's console will display the disks currently
in the virtual machine's configuration,
#CP LINK * newvdev newvdev will link the guest to its new MDISK,
then do the #CP Q V DASD to verify success.
Your remarks about ATTACH-ing a disk to the guest and surprise at
finding it unformatted sounds like the disk should have been instead
ATTACHed to SYSTEM and then the guest LINK-d to its new MDISK.
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-----Original Message-----
From: Linux on 390 Port on behalf of Martin, Terry R. (CMS/CTR) (CTR)
Sent: Sat 5/31/2008 3:32 PM
To: [email protected]
Subject: Presenting Additional ECKD devices to Linux Guest Dynamically
Hi
I am running z/VM 5.3 with a RedHat 4.6 z/Linux (Kernel level 2.6.9-67)
guest. I need to give this guest some more ECKD DASD. I want to do this
dynamically. As far as I knew to accomplish this I should only need to
add the devices to the User Directory bring that new Directory online
(DIRECTXA USER). At this point on the Linux side they need to do some
things to see the new device.
Now I did the above steps once to add three ECKD devices and on the
Linux side they were able to see them, everything looked look. However
there was a need to add one more ECKD DASD to the Linux guest. I went
through the same exact steps and this time they could not see the
device. Is there anything else that I need to do on the z/VM side to
make this work? I have made sure that the devices are formatted and that
they are attached to SYSTEM.
I will mention one thing. I was able to ATTACH the REAL DEVICE ADDRESS
as VDEV 806(In my case). Once I did that the Linux folks were able to
see the ECKD device. However they showed up on the Linux side as
un-formatted. This is not the way it is suppose to work. I should need
to ATTACH them.
I even added the new devices to the CONF file that the RedHaT Kick Start
reads and did a Kick Start. The devices still did not show up.
Any suggestions would be appreciated.
I am going to also post this on the z/ Hi
I am running z/VM 5.3 with a RedHat 4.6 z/Linux (Kernel level 2.6.9-67)
guest. I need to give this guest some more ECKD DASD. I want to do this
dynamically. As far as I knew to accomplish this I should only need to
add the devices to the User Directory bring that new Directory online
(DIRECTXA USER). At this point on the Linux side they need to do some
things to see the new device.
Now I did the above steps once to add three ECKD devices and on the
Linux side they were able to see them, everything looked look. However
there was a need to add one more ECKD DASD to the Linux guest. I went
through the same exact steps and this time they could not see the
device. Is there anything else that I need to do on the z/VM side to
make this work? I have made sure that the devices are formatted and that
they are attached to SYSTEM.
I will mention one thing. I was able to ATTACH the REAL DEVICE ADDRESS
as VDEV 806(In my case). Once I did that the Linux folks were able to
see the ECKD device. However they showed up on the Linux side as
un-formatted. This is not the way it is suppose to work. I should need
to ATTACH them.
I even added the new devices to the CONF file that the RedHaT Kick Start
reads and did a Kick Start. The devices still did not show up.
Any suggestions would be appreciated.
I am going to also post this on the z/VM list!
Thanks, Terry
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