Larry,
Yes, we call SWAPGEN from PROFILE EXEC. We normally put VDISK swap devices on
virtual addresses 100 and 101. For each of these addresses, our PROFILE EXEC
checks for the existence of a device at that address. If it finds one, it
leaves it alone. If not, PROFILE EXEC calculates the size of a virtual disk as
a percentage of memory size, observing the limit of 4,194,296 blocks, and
defines it with a DEFINE VFB-512 command. PROFILE EXEC then uses QUERY VIRTUAL
DASD to find all VDISK's defined to the guest and formats them with SWAPGEN.
All Linux guests have a shared read-only 191 disk, so they all have the same
PROFILE EXEC.
This allows us to have three different flavors of swap disk, all of which are
eligible for LGR:
1. Defined dynamically as a default percentage of memory.
2. Defined in the directory with COMMAND DEFINE VFB-512 at a specific size.
3. Defined in the directory on 3390 DASD.
The typical guest has two swap disks at a percentage of memory and one on 3390.
Dennis O'Brien
2 Sep 1945 - The Japanese Instrument of Surrender is signed on board USS
Missouri in Tokyo Bay. President Truman proclaims this as the official V-J Day.
-----Original Message-----
From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Davis,
Larry (National VM Capability)
Sent: Friday, September 04, 2015 10:44
To: [email protected]
Subject: Re: SSI LGR using CMS PROFILE with SWAPGEN and VDISK
And you do the SWAPGEN commands in the PROFILE EXEC also
Larry Davis,
VM Capability
-----Original Message-----
From: Linux on 390 Port [mailto:[email protected]] On Behalf Of O'Brien,
Dennis L
Sent: Friday, September 04, 2015 1:30 PM
To: [email protected]
Subject: Re: SSI LGR using CMS PROFILE with SWAPGEN and VDISK
We do pretty much what Marcy does:
Call Diag 8,'DETACH 190 19D 19E'
Push 'CP IPL' device
Dennis O'Brien
2 Sep 1945 - The Japanese Instrument of Surrender is signed on board USS
Missouri in Tokyo Bay. President Truman proclaims this as the official V-J Day.
-----Original Message-----
From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Marcy
Cortes
Sent: Friday, September 04, 2015 09:55
To: [email protected]
Subject: Re: SSI LGR using CMS PROFILE with SWAPGEN and VDISK
Our exec does
queue "CP DET 190"
queue "CP DET 19E"
queue "CP IPL 101 CLEAR"
-----Original Message-----
From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Davis,
Larry (National VM Capability)
Sent: Friday, September 04, 2015 9:36 AM
To: [email protected]
Subject: [LINUX-390] SSI LGR using CMS PROFILE with SWAPGEN and VDISK
How are people using a CMS PROFILE EXEC and SWAPGEN to create Linux swap files
on VDISK, and then using LGR to move a Linux server from one member to the
other.
We get an error that the CMS disks in one member don't have the same EQID in
the other member when we try to test the relocation
Larry Davis,
VM Capability
HP Enterprise
Tel: +1 813 394 4240
E-mail: [email protected]<mailto:[email protected]>
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recipient, please delete this message.
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