2017-12-08T01:29:02Z

2017-12-06T02:58:22Z

Restaurador: /* 330.3 KVM (weight: 9) */

__FORCETOC__
==Introduccion==
Todo el contenido del programa [[LPIC-3]] se encuentra disponible [[LPIC-3|aqui]].
 
==Version Actual==

La version actual de los objetivos es 2.0.0

También se encuentra [[LPIC304SummaryVersion1To2| el resumen con la información detallada]] de los cambios realizados para las versiones 1.0 a 2.0 con sus correspondientes objetivos.

Los [[LPIC-304 Objectives V1| objetivos 1.x]] pueden ser encontrados [[LPIC-304 Objectives V1|aqui]].

 

==Traduccion de Objetivos==
Las siguientes traducciones de los objetivos en las listas de la wiki:
* [[LPIC-304 Objectives V2|English]]
* [[LPIC-304 Objectives V2(ES)|Spanish]]
 

==Objectivos==
===''Topic 330: Virtualizacion''===
{|
| style="background:#dadada" | '''Peso'''
| style="background:#eaeaea" | 8
|-
| style="background:#dadada; padding-right:1em" | '''Descripcion'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Peso'''
| style="background:#eaeaea" | 9
|-
| style="background:#dadada; padding-right:1em" | '''Descripcion'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Peso'''
| style="background:#eaeaea" | 9
|-
| style="background:#dadada; padding-right:1em" | '''Descripcion'''
| style="background:#eaeaea" | Los candidatos deberían poder instalar, configurar, mantener, migrar y solucionar problemas de instalaciones KVM..
|}
'''Áreas clave de conocimiento:'''
* Arquitectura KVM, redes y almacenamiento
* Configuración de KVM
* Utilidades de KVM
* Solución de problemas de instalaciones KVM
'''La siguiente es una lista parcial de los archivos, términos y utilidades utilizadas:'''
* Modules del Kernel: kvm, kvm-intel and kvm-amd
* /etc/kvm/
* /dev/kvm
* kvm
* KVM monitor
* qemu
* qemu-img
 

====330.4 Other Virtualization Solutions (weight: 3)====
{|
| style="background:#dadada" | '''Weight'''
| style="background:#eaeaea" | 3
|-
| style="background:#dadada; padding-right:1em" | '''Description'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Peso'''
| style="background:#eaeaea" | 5
|-
| style="background:#dadada; padding-right:1em" | '''Descripcion'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Pesot'''
| style="background:#eaeaea" | 2
|-
| style="background:#dadada; padding-right:1em" | '''Descripcion'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Weight'''
| style="background:#eaeaea" | 5
|-
| style="background:#dadada; padding-right:1em" | '''Description'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Weight'''
| style="background:#eaeaea" | 6
|-
| style="background:#dadada; padding-right:1em" | '''Description'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Weight'''
| style="background:#eaeaea" | 6
|-
| style="background:#dadada; padding-right:1em" | '''Description'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Weight'''
| style="background:#eaeaea" | 1
|-
| style="background:#dadada; padding-right:1em" | '''Description'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Weight'''
| style="background:#eaeaea" | 3
|-
| style="background:#dadada; padding-right:1em" | '''Description'''
| style="background:#eaeaea" | 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)====
{|
| style="background:#dadada" | '''Weight'''
| style="background:#eaeaea" | 3
|-
| style="background:#dadada; padding-right:1em" | '''Description'''
| style="background:#eaeaea" | 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