Difference between revisions of "LPIC-304 Objectives V2(ES)"

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Revision as of 22:56, 5 December 2017

Introduccion

Todo el contenido del programa LPIC-3 se encuentra disponible aqui.

Version Actual

La version actual de los objetivos es 2.0.0

También se encuentra el resumen con la información detallada de los cambios realizados para las versiones 1.0 a 2.0 con sus correspondientes objetivos.

Los objetivos 1.x pueden ser encontrados aqui.

Traduccion de Objetivos

Las siguientes traducciones de los objetivos en las listas de la wiki:

English
Spanish

Objectivos

Topic 330: Virtualizacion

Peso	8
Descripcion	Los candidatos deben saber y comprender los conceptos generales de teoria y terminologia de la Virtualizacion. Esta incluye Xen, KVM y la terminología de libvirt.

Areas de Conocimiento clave:

Terminologia
Ventajas y Desventajas de la Virtualizacion
Diferentes Variaciones de monitores de maquinas Virtuales
Migration de Equipos Físicos a Maquinas Virtuales
Migraciones de Maquinas Virtuales entre diferentes Equipos
Cloud Computing

La siguiente es una lista parcial de los archivos, términos y utilidades utilizadas:

Hypervisor
Hardware Virtual Machine (HVM)
Paravirtualization (PV)
Virtualizacio de Contenedores
Emulacion y Simulacion
CPU flags
/proc/cpuinfo
Migraciones (P2V, V2V)
IaaS, PaaS, SaaS

330.2 Xen (weight: 9)

Peso	9
Descripcion	Los candidatos deberían poder instalar, configurar, mantener, migrar y solucionar problemas de las instalaciones de Xen. El foco está en Xen versión 4.x.

Areas de Conocimiento Clave:

Arquitectura Xen , redes y storage
Configuracion Xen
Utilidades Xen
Solucion de problemas de instalaciones Xen
Conocimiento básico de XAPI
Conocimiento de XenStore
Conocimiento de los parámetros de inicio de Xen Boot
Conocimiento de la utilidad xm

La siguiente es una lista parcial de los archivos, términos y utilidades utilizadas:

Domain0 (Dom0), DomainU (DomU)
PV-DomU, HVM-DomU
/etc/xen/
xl
xl.cfg
xl.conf
xe
xentop

330.3 KVM (weight: 9)

Peso	9
Descripcion	Candidates should be able to install, configure, maintain, migrate and troubleshoot KVM installations.

Key Knowledge Areas:

KVM architecture, networking and storage
KVM configuration
KVM utilities
Troubleshooting KVM installations

La siguiente es una lista parcial de los archivos, términos y utilidades utilizadas:

Kernel modules: kvm, kvm-intel and kvm-amd
/etc/kvm/
/dev/kvm
kvm
KVM monitor
qemu
qemu-img

330.4 Other Virtualization Solutions (weight: 3)

Weight	3
Description	Candidates should have some basic knowledge and experience with alternatives to Xen and KVM.

Key Knowledge Areas:

Basic knowledge of OpenVZ and LXC
Awareness of other virtualization technologies
Basic knowledge of virtualization provisioning tools

La siguiente es una lista parcial de los archivos, términos y utilidades utilizadas:

OpenVZ
VirtualBox
LXC
docker
packer
vagrant

330.5 Libvirt and Related Tools (weight: 5)

Peso	5
Descripcion	Candidates should have basic knowledge and experience with the libvirt library and commonly available tools.

Key Knowledge Areas:

libvirt architecture, networking and storage
Basic technical knowledge of libvirt and virsh
Awareness of oVirt

La siguiente es una lista parcial de los archivos, términos y utilidades utilizadas:

libvirtd
/etc/libvirt/
virsh
oVirt

330.6 Cloud Management Tools (weight: 2)

Pesot	2
Descripcion	Candidates should have basic feature knowledge of commonly available cloud management tools.

Key Knowledge Areas:

Basic feature knowledge of OpenStack and CloudStack
Awareness of Eucalyptus and OpenNebula

La siguiente es una lista parcial de los archivos, términos y utilidades utilizadas:

OpenStack
CloudStack
Eucalyptus
OpenNebula

Topic 334: High Availability Cluster Management

334.1 High Availability Concepts and Theory (weight: 5)

Weight	5
Description	Candidates should understand the properties and design approaches of high availability clusters.

Key Knowledge Areas:

Understand the most important cluster architectures.
Understand recovery and cluster reorganization mechanisms.
Design an appropriate cluster architecture for a given purpose.
Application aspects of high availability.
Operational considerations of high availability.

The following is a partial list of the used files, terms and utilities:

Active/Passive Cluster, Active/Active Cluster
Failover Cluster, Load Balanced Cluster
Shared-Nothing Cluster, Shared-Disk Cluster
Cluster resources
Cluster services
Quorum
Fencing
Split brain
Redundancy
Mean Time Before Failure (MTBF)
Mean Time To Repair (MTTR)
Service Level Agreement (SLA)
Desaster Recovery
Replication
Session handling

334.2 Load Balanced Clusters (weight: 6)

Weight	6
Description	Candidates should know how to install, configure, maintain and troubleshoot LVS. This includes the configuration and use of keepalived and ldirectord. Candidates should further be able to install, configure, maintain and troubleshoot HAProxy.

Key Knowledge Areas:

Understanding of LVS / IPVS.
Basic knowledge of VRRP.
Configuration of keepalived.
Configuration of ldirectord.
Backend server network configuration.
Understanding of HAProxy.
Configuration of HAProxy.

The following is a partial list of the used files, terms and utilities:

ipvsadm
syncd
LVS Forwarding (NAT, Direct Routing, Tunneling, Local Node)
connection scheduling algorithms
keepalived configuration file
ldirectord configuration file
genhash
HAProxy configuration file
load balancing algorithms
ACLs

334.3 Failover Clusters (weight: 6)

Weight	6
Description	Candidates should have experience in the installation, configuration, maintenance and troubleshooting of a Pacemaker cluster. This includes the use of Corosync. The focus is on Pacemaker 1.1 for Corosync 2.x.

Key Knowledge Areas:

Pacemaker architecture and components (CIB, CRMd, PEngine, LRMd, DC, STONITHd).
Pacemaker cluster configuration.
Resource classes (OCF, LSB, Systemd, Upstart, Service, STONITH, Nagios).
Resource rules and constraints (location, order, colocation).
Advanced resource features (templates, groups, clone resources, multi-state resources).
Pacemaker management using pcs.
Pacemaker management using crmsh.
Configuration and Management of corosync in conjunction with Pacemaker.
Awareness of other cluster engines (OpenAIS, Heartbeat, CMAN).

The following is a partial list of the used files, terms and utilities:

pcs
crm
crm_mon
crm_verify
crm_simulate
crm_shadow
crm_resource
crm_attribute
crm_node
crm_standby
cibadmin
corosync.conf
authkey
corosync-cfgtool
corosync-cmapctl
corosync-quorumtool
stonith_admin

334.4 High Availability in Enterprise Linux Distributions (weight: 1)

Weight	1
Description	Candidates should be aware of how enterprise Linux distributions integrate High Availability technologies.

Key Knowledge Areas:

Basic knowledge of Red Hat Enterprise Linux High Availability Add-On.
Basic knowledge of SUSE Linux Enterprise High Availability Extension.

The following is a partial list of the used files, terms and utilities:

Distribution specific configuration tools
Integration of cluster engines, load balancers, storage technology, cluster filesystems, etc.

Topic 335: High Availability Cluster Storage

335.1 DRBD / cLVM (weight: 3)

Weight	3
Description	Candidates are expected to have the experience and knowledge to install, configure, maintain and troubleshoot DRBD devices. This includes integration with Pacemaker. DRBD configuration of version 8.4.x is covered. Candidates are further expected to be able to manage LVM configuration within a shared storage cluster.

Key Knowledge Areas:

Understanding of DRBD resources, states and replication modes.
Configuration of DRBD resources, networking, disks and devices.
Configuration of DRBD automatic recovery and error handling.
Management of DRBD using drbdadm.
Basic knowledge of drbdsetup and drbdmeta.
Integration of DRBD with Pacemaker.
cLVM
Integration of cLVM with Pacemaker.

The following is a partial list of the used files, terms and utilities:

Protocol A, B and C
Primary, Secondary
Three-way replication
drbd kernel module
drbdadm
drbdsetup
drbdmeta
/etc/drbd.conf
/proc/drbd
LVM2
clvmd
vgchange, vgs

335.2 Clustered File Systems (weight: 3)

Weight	3
Description	Candidates should know how to install, maintain and troubleshoot installations using GFS2 and OCFS2. This includes integration with Pacemaker as well as awareness of other clustered filesystems available in a Linux environment.

Key Knowledge Areas:

Understand the principles of cluster file systems.
Create, maintain and troubleshoot GFS2 file systems in a cluster.
Create, maintain and troubleshoot OCFS2 file systems in a cluster.
Integration of GFS2 and OCFS2 with Pacemaker.
Awareness of the O2CB cluster stack.
Awareness of other commonly used clustered file systems.

The following is a partial list of the used files, terms and utilities:

Distributed Lock Manager (DLM)
mkfs.gfs2
mount.gfs2
fsck.gfs2
gfs2_grow
gfs2_edit
gfs2_jadd
mkfs.ocfs2
mount.ocfs2
fsck.ocfs2
tunefs.ocfs2
mounted.ocfs2
o2info
o2image
CephFS
GlusterFS
AFS

Reference Material

Virtualization Theory and Concepts:

Xen: http://www.xen.org/support/documentation.html
KVM: http://www.linux-kvm.org/page/Documents
QEMU: http://wiki.qemu.org

Load Balancing:

LVS: http://www.linuxvirtualserver.org/Documents.html
HAProxy: http://haproxy.1wt.eu/#docs

Cluster Management:

Pacemaker: http://clusterlabs.org/wiki/Documentation
- including: cluster glue, resource agents: http://www.linux-ha.org/wiki/Main_Page
Red Hat Cluster Suite: http://www.redhat.com/docs/manuals/csgfs/
- including: OpenAIS/corosync: http://www.corosync.org and http://www.openais.org

Cluster Storage:

DRBD: http://www.drbd.org/docs/about/
GFS: http://www.redhat.com/docs/manuals/csgfs/
OCFS2: http://oss.oracle.com/projects/ocfs2/documentation/

Future Change Considerations

Future changes to the objective will/may include:

Add Bonding / network high availability

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