Ejecute este procedimiento en cada nodo de cálculo para cambiar la asignación de recursos de memoria y CPU en el nivel de granularidad del socket.
La herramienta realiza estos cambios:
Detecta automáticamente los dominios raíz.
Calcula los recursos mínimos y máximos para todos los dominios y solo le permite seleccionar cantidades válidas.
Modifica los recursos de dominio según las opciones elegidas.
Asigna automáticamente la capacidad de memoria en la misma proporción que los recursos de CPU.
Detiene dominios que no son principales (si es necesario).
Reinicia el dominio principal con los nuevos recursos (si es necesario).
Levanta los dominios que no son principales con nuevos recursos (si es necesario).
En este ejemplo, se extraen un socket y 1 TB de memoria del dominio principal y se asignan a ssccn3-dom1.
En esta tabla se muestra el plan de asignación (consulte Plan CPU and Memory Allocations).
|
La herramienta no continúa si hay algún dominio inactivo.
Responda cuando se le solicite. Pulse Intro para seleccionar el valor predeterminado.
# /opt/oracle.supercluster/bin/osc-setcoremem osc-setcoremem v2.0 built on Aug 27 2015 23:09:35 Current Configuration: SuperCluster Fully-Populated M6-32 Base +------------------------------+-------+--------+-----------+--- MINIMUM ----+ | DOMAIN | CORES | MEM GB | TYPE | CORES | MEM GB | +------------------------------+-------+--------+-----------+-------+--------+ | primary | 24 | 2048 | Dedicated | 2 | 32 | | ssccn3-dom1 | 24 | 2048 | Dedicated | 2 | 32 | | ssccn3-dom2 | 1 | 16 | Root | 1 | 16 | | ssccn3-dom3 | 2 | 32 | Root | 2 | 32 | +------------------------------+-------+--------+-----------+-------+--------+ | unallocated or parked | 45 | 4048 | -- | -- | -- | +------------------------------+-------+--------+-----------+-------+--------+ [Note] Following domains will be skipped in this session. Root Domains ------------ ssccn3-dom2 ssccn3-dom3 CPU allocation preference: 1. Socket level 2. Core level In case of Socket level granularity, proportional memory capacity is automatically selected for you. Choose Socket or Core level [S or C] s Step 1 of 1: Socket Count primary : specify socket count [min: 1, max: 3. default: 1] : 1 you chose [1] socket for primary domain ssccn3-dom1 : specify socket count [min: 1, max: 3. default: 1] : 3 you chose [3] sockets for ssccn3-dom1 domain Configuration In Progress After Socket Count Selection: +----------------------------------+----------+----------+-----------+ | DOMAIN | SOCKETS | MEM GB | TYPE | +----------------------------------+----------+----------+-----------+ | primary | 1 | 1024 | Dedicated | | ssccn3-dom1 | 3 | 3072 | Dedicated | | *ssccn3-dom2 | 0.083 | 16 | Root | | *ssccn3-dom3 | 0.167 | 32 | Root | +----------------------------------+----------+----------+-----------+ | unallocated or parked | 3.750 | 4048 | -- | +----------------------------------+----------+----------+-----------+ Following domains will be stopped and restarted: ssccn3-dom1 This configuration requires rebooting the control domain. Do you want to proceed? Y/N : Y +- IMPORTANT NOTE: -+ | After the reboot, osc-setcoremem attempts to complete CPU, memory re-configuration. | | Please check syslog and the state of all domains before using the system. | | eg., dmesg | grep osc-setcoremem ; ldm list | grep -v active ; date | +- -+ All activity is being recorded in log file: /opt/oracle.supercluster/osc-setcoremem/log/osc-setcoremem_activity_08-28-2015_15:31:27.log Please wait while osc-setcoremem is setting up the new CPU, memory configuration. It may take a while. Be patient and do not interrupt. 0% 10 20 30 40 50 60 70 80 90 100% |-----|-----|-----|-----|-----|-----|-----|-----|-----|-----| [Info] Domain ssccn3-dom1 is taking too long to stop. Waiting .. [Info] Domain ssccn3-dom1 is taking too long to stop. Still waiting for the domain to stop .. *=====*=====*=====*=====*=====*=====*=====*=====*=====*=====* Broadcast Message from root (pts/1) on etc5mdbadm0301 Fri Aug 28 15:36:45... THE SYSTEM etc5mdbadm0301 IS BEING SHUT DOWN NOW ! ! ! Log off now or risk your files being damaged Task complete with no errors. #
Ejemplo:
# dmesg | grep osc-setcoremem Aug 28 15:43:46 etc5mdbadm0301 root[2074]: [ID 702911 user.alert] osc-setcoremem: core, memory re-configuration complete. system can be used for regular work.
Puede verificar la asignación de recursos y comprobar los posibles errores de osc-setcoremem de diversas maneras: