dsmc sched vs cron jobs
Trabajando con TSM en un entorno AIX, tenemos dos posibilidades de programar los backups. Podemos usar cron el cual es método clásico o bien podemos usar el programador de backups de TSM. En este caso el admin de los bakcups deberá programar el respaldo, pero de cualquier forma nosotros como sysadmin debemos asegurarnos que el servicio schedule de tsm este corriendo:
Ejemplo de ejecución en AIX:
# ps -ef |grep dsm
root 4128874 1 0 Dec 20 - 6:42 /usr/bin/dsmc sched -optfile=/backup/config/dsm_diario_aplprd.opt -schedmode=pr
Consulta del programación de la tarea desde AIX:
# dsmc sched
IBM Tivoli Storage Manager
Command Line Backup-Archive Client Interface
Client Version 6, Release 2, Level 1.0
Client date/time: 04/17/13 09:27:05
(c) Copyright by IBM Corporation and other(s) 1990, 2010. All Rights Reserved.
TSM Backup-Archive Client Version 6, Release 2, Level 1.0
Querying server for next scheduled event.
Node Name: RRHH_BA_APLPRD_D
Session established with server TSM01: Windows
Server Version 6, Release 3, Level 0.0
Server date/time: 04/17/13 09:27:05 Last access: 04/17/13 09:26:27
Next operation scheduled:
------------------------------------------------------------
Schedule Name: SCH-UNX-RRHH-APLPRD-D
Action: Command
Objects: /backups/scripts/bckp_diario_aplprd.sh
Options:
Server Window Start: 21:30:00 on 04/17/13
------------------------------------------------------------
Schedule will be refreshed in 6 hours.
Time remaining until execution: 05:59:46
Ejemplo de levante automático en AIX:
# lsitab -a |grep tsm
tsmsch:23456789:once:/usr/bin/dsmc sched -optfile=/backup/config/dsm_diario_aplprd.opt -schedmode=pr > /dev/console 2>&1 # TSM Client Acceptor Daemon
Ejemplo de configuracion de un opt flie:
# cat /backup/config/dsm_diario_aplprd.opt
************************************************************************
* Tivoli Storage Manager *
* *
* Sample Client User Options file for AIX and SunOS (dsm.opt.smp) *
************************************************************************
* This file contains an option you can use to specify the TSM
* server to contact if more than one is defined in your client
* system options file (dsm.sys). Copy dsm.opt.smp to dsm.opt.
* If you enter a server name for the option below, remove the
* leading asterisk (*).
************************************************************************
SErvername RRHH_BA_APLPRD_D