How to dynamically increase/decrease storage for linux running on z/VM?
Assumption: Define LPAR profile with 4G initial and 0 reserved storage.
z/VM version is 5.4
User Direct statement for linux guest is USER LNX1 LNX1 1G 2G
EG
Objective: Dynamically increase/decrease
You need the storage to be standby and not reserved. Change your
command to:
DEFINE STORAGE AS 700M STANDBY 300M
As was discussed in another thread, reserved storage is memory that
may become available (either to your virtual machine or to an LPAR)
but is not currently available. Standby
On Apr 11, 2012, at 8:15 AM, Bruce Hayden wrote:
You need the storage to be standby and not reserved. Change your
command to:
DEFINE STORAGE AS 700M STANDBY 300M
As was discussed in another thread, reserved storage is memory that
may become available (either to your virtual machine or to
I have a couple servers which show 100% swap space used but when I look
I can't find which pids are have pages in swap.
free -m
total used free sharedbuffers
cached
Mem: 12061 11410650 0152
6425
-/+ buffers/cache:
- obvious first step would be to check the entire system, rather than a
subset you obviously think is the cause.
- smaps should be believed.
- Linux uses lazy (memory) allocation. This includes de-allocation. And swap.
Hence the various tools that simply read meminfo should be treated with
