Difference between revisions of "LPIC-306 Objectives V3.0"

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* GlusterFS
 
* GlusterFS
 
* AFS
 
* AFS
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===''Topic 353: Distributed Storage''===
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====<span style="color:navy">353.1 Gluster Storage Clusters (weight: 4)</span>====
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{|
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| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | 4
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|-
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| style="background:#dadada; padding-right:1em" | '''Description'''
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| style="background:#eaeaea" |
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|}
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'''Key Knowledge Areas:'''
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'''The following is a partial list of the used files, terms and utilities:'''
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<br />
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====<span style="color:navy">353.2 Ceph Storage Clusters (weight: 8)</span>====
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{|
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| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | 8
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|-
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| style="background:#dadada; padding-right:1em" | '''Description'''
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| style="background:#eaeaea" |
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|}
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'''Key Knowledge Areas:'''
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'''The following is a partial list of the used files, terms and utilities:'''
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<br />
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<br />
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===''Topic 354: Node High Availability''===
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====<span style="color:navy">354.1 Single Node High Availability (weight: 2)</span>====
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{|
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| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | 2
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|-
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| style="background:#dadada; padding-right:1em" | '''Description'''
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| style="background:#eaeaea" |
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|}
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'''Key Knowledge Areas:'''
 +
'''The following is a partial list of the used files, terms and utilities:'''
 +
<br />
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====<span style="color:navy">354.2 Advanced RAID (weight: 2)</span>====
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{|
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| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | 2
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|-
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| style="background:#dadada; padding-right:1em" | '''Description'''
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| style="background:#eaeaea" |
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|}
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'''Key Knowledge Areas:'''
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'''The following is a partial list of the used files, terms and utilities:'''
 +
<br />
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====<span style="color:navy">354.3 Advanced LVM (weight: 2)</span>====
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{|
 +
| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | 2
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|-
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| style="background:#dadada; padding-right:1em" | '''Description'''
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| style="background:#eaeaea" |
 +
|}
 +
'''Key Knowledge Areas:'''
 +
'''The following is a partial list of the used files, terms and utilities:'''
 +
<br />
 +
====<span style="color:navy">354.4 Network High Availability (weight: 3)</span>====
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{|
 +
| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | 3
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|-
 +
| style="background:#dadada; padding-right:1em" | '''Description'''
 +
| style="background:#eaeaea" |
 +
|}
 +
'''Key Knowledge Areas:'''
 +
'''The following is a partial list of the used files, terms and utilities:'''
 +
<br />
 +
<br />
 +
===''Topic 355: Backup and Disaster Recovery''===
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====<span style="color:navy">355.1 TBD: Backup (weight: TBD)</span>====
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{|
 +
| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | TBD
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|-
 +
| style="background:#dadada; padding-right:1em" | '''Description'''
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| style="background:#eaeaea" |
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|}
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'''Key Knowledge Areas:'''
 +
'''The following is a partial list of the used files, terms and utilities:'''
 +
<br />
 +
====<span style="color:navy">355.2 Disaster Recovery (weight: TBD)</span>====
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{|
 +
| style="background:#dadada" | '''Weight'''
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| style="background:#eaeaea" | TBD
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|-
 +
| style="background:#dadada; padding-right:1em" | '''Description'''
 +
| style="background:#eaeaea" |
 +
|}
 +
'''Key Knowledge Areas:'''
 +
'''The following is a partial list of the used files, terms and utilities:'''
 +
<br />
 
<br />
 
<br />

Revision as of 17:29, 3 March 2019

Introduction

The description of the entire LPIC-3 programme is listed here.

Version Information

These objectives are A DRAFT FOR version 3.0.

There is also a summary and detailed information on the changes from version 2.0 to 3.0 of the objectives.

The version 2.x objectives can be found here.


Translations of Objectives

The following translations of the objectives are available on this wiki:


Objectives

Topic 351: High Availability Cluster Management

351.1 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


351.2 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


351.3 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


Topic 352: High Availability Cluster Storage

352.1 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


352.2 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



Topic 353: Distributed Storage

353.1 Gluster Storage Clusters (weight: 4)

Weight 4
Description

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

353.2 Ceph Storage Clusters (weight: 8)

Weight 8
Description

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

Topic 354: Node High Availability

354.1 Single Node High Availability (weight: 2)

Weight 2
Description

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

354.2 Advanced RAID (weight: 2)

Weight 2
Description

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

354.3 Advanced LVM (weight: 2)

Weight 2
Description

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

354.4 Network High Availability (weight: 3)

Weight 3
Description

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

Topic 355: Backup and Disaster Recovery

355.1 TBD: Backup (weight: TBD)

Weight TBD
Description

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

355.2 Disaster Recovery (weight: TBD)

Weight TBD
Description

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

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