Linux-LPI - LPIC-3 (306: High Availability Systems and Storage)

Ziele

In dieser 5-tägigen Schulung "Linux-LPI - LPIC-3 (306: High Availability Systems and Storage)" legen wir den Fokus auf die intensive Vorbereitung der Teilnehmer auf die LPIC-3-Zertifizierung 306 High Availability Systems and Storage. Unser Hauptziel ist es, Ihre fortgeschrittenen Linux-Kenntnisse im Bereich hochverfügbarer Systeme und Speicherlösungen zu demonstrieren, wobei der Schwerpunkt auf praktischem Können liegt, nicht nur auf dem Bestehen von Prüfungen.

Wir legen großen Wert darauf, dass Sie nicht nur den Prüfungsstoff beherrschen, sondern auch eigenständig erworbene Erfahrung und praktische Fähigkeiten im Umgang mit Linux einbringen. Die Komplettausbildung zielt darauf ab, Ihnen alle erforderlichen Kenntnisse zur LPIC-3-Zertifizierung zu vermitteln, insbesondere im Bereich der hochverfügbaren Systeme und Speichertechnologien.

Unsere Schulung vermittelt praxisrelevante Themen, um Sie für anspruchsvolle Aufgaben in der Administration oder im Service im Bereich Hochverfügbarkeit und Speichermanagement zu befähigen. Wir bereiten Sie gezielt auf die Zertifizierungsprüfungen des Linux Professional Institute vor und legen großen Wert auf Softskills im Bereich Problembehandlung, Planung und Änderung von IT-Umgebungen.

Diese Schulung ist Teil des umfangreichen LPIC-3-Programms, das verschiedene Spezialisierungen umfasst, darunter Linux LPI - LPIC-3 (300: Mixed Environment), Linux-LPI - LPIC-3 (303: Security), 304: Virtualisierung und Hochverfügbarkeit, 305: Virtualization and Containerization sowie Linux-LPI - LPIC-3 (306: High Availability Systems and Storage).

Bitte beachten Sie, dass die Prüfungsgebühren nicht im Kurspreis enthalten sind.

Zielgruppe

• Administratoren

Voraussetzungen

• Linux-LPI - Komplettausbildung zur LPIC-1 (101 und 102)
• Linux-LPI - Komplettausbildung zur LPIC-2 (201 und 202)

Agenda

Topic 361: High Availability Cluster Management

361.1 High Availability Concepts and Theory

• Understand the goals of High Availability and Site Reliability Engineering
• Understand common cluster architectures
• Understand recovery and cluster reorganization mechanisms
• Design an appropriate cluster architecture for a given purpose
• Understand application aspects of high availability
• Understand operational considerations of high availability

361.2 Load Balanced Clusters

• Understand the concepts of LVS / IPVS
• Understand the basics of VRRP
• Configure keepalived
• Configure ldirectord
• Configure backend server networking
• Understand HAProxy
• Configure HAProxy

361.3 Failover Clusters

• Understand the architecture and components of Pacemaker (CIB, CRMd, PEngine, LRMd, DC, STONITHd)
• Manage Pacemaker cluster configurations
• Understand Pacemaker resource classes (OCF, LSB, Systemd, Service, STONITH, Nagios)
• Manage Pacermaker resources
• Manage resource rules and constraints (location, order, colocation).
• Manage advanced resource features (templates, groups, clone resources, multi-state resources)
• Obtain node information and manage node health
• Manage quorum and fencing in a Pacermaker cluster
• Configure the Split Brain Detector on shared storage
• Manage Pacemaker using pcs
• Manage Pacemaker using crmsh
• Configure and management of corosync in conjunction with Pacemaker
• Awareness of Pacemaker ACLs
• Awareness of other cluster engines (OpenAIS, Heartbeat, CMAN)

351.4 Libvirt Virtual Machine Management

• Understand the architecture of libvirt
• Manage libvirt connections and nodes
• Create and manage QEMU and Xen domains, including snapshots
• Manage and analyze resource consumption of domains
• Create and manage storage pools and volumes
• Create and manage virtual networks
• Migrate domains between nodes
• Understand how libvirt interacts with Xen and QEMU
• Understand how libvirt interacts with network services such as dnsmasq and radvd
• Understand libvirt XML configuration files
• Awareness of virtlogd and virtlockd

Topic 362: High Availability Cluster Storage

362.1 DRBD

• Understand the DRBD architecture
• Understand DRBD resources, states and replication modes
• Configure DRBD disks and devices
• Configure DRBD networking connections and meshes
• Configure DRBD automatic recovery and error handling
• Configure DRBD quorum and handlers for split brain and fencing
• Manage DRBD using drbdadm
• Understand the principles of drbdsetup and drbdmeta
• Restore and verify the integrity of a DRBD device after an outage
• Integrate DRBD with Pacemaker
• Understand the architecture and features of LINSTOR

362.2 Cluster Storage Access

• Understand the concepts of Storage Area Networks
• Understand the concepts of Fibre Channel, including Fibre Channel Toplogies
• Understand and manage iSCSI targets and initiators
• Understand and configure Device Mapper Multipath I/O (DM-MPIO)
• Understand the concept of a Distributed Lock Manager (DLM)
• Understand and manage clustered LVM
• Manage DLM and LVM with Pacemaker

362.3 Clustered File Systems

• Understand the principles of cluster file systems and distributed file systems
• Understand the Distributed Lock Manager
• Create, maintain and troubleshoot GFS2 file systems in a cluster
• Create, maintain and troubleshoot OCFS2 file systems in a cluster
• Awareness of the O2CB cluster stack
• Awareness of other commonly used clustered file systems, such as AFS and Lustre

Topic 363: High Availability Distributed Storage

363.1 GlusterFS Storage Clusters

• Understand the architecture and components of GlusterFS
• Manage GlusterFS peers, trusted storge pools, bricks and volumes
• Mount and use an existing GlusterFS
• Configure high availability aspects of GlusterFS
• Scale up a GlusterFS cluster
• Replace failed bricks
• Recover GlusterFS from a physical media failure
• Restore and verify the integrity of a GlusterFS cluster after an outage
• Awareness of GNFS

363.2 Ceph Storage Clusters

• Understand the architecture and components of Ceph
• Manage OSD, MGR, MON and MDS
• Understand and manage placement groups and pools
• Understand storage backends (FileStore and BlueStore)
• Initialize a Ceph cluster
• Create and manage Rados Block Devices
• Create and manage CephFS volumes, including snapshots
• Mount and use an existing CephFS
• Understand and adjust CRUSH maps
• Configure high availability aspects of Ceph
• Scale up a Ceph cluster
• Restore and verify the integrity of a Ceph cluster after an outage
• Understand key concepts of Ceph updates, including update order, tunables and features

Topic 364: Single Node High Availability

364.1 Hardware and Resource High Availability

• Understand and monitor S.M.A.R.T values using smartmontools, including triggering frequent disk checks
• Configure system shutdown at specific UPC events
• Configure monit for alerts in case of resource exhaustion

364.2 Advanced RAID

• Manage RAID devices using various raid levels, including hot spare discs, partitionable RAIDs and RAID containers
• Add and remove devices from an existing RAID
• Change the RAID level of an existing device
• Recover a RAID device after a failure
• Understand various metadata formats and RAID geometries
• Understand availability and performance properties of various raid levels
• Configure mdadm monitoring and reporting

364.3 Advanced LVM

• Understand and manage LVM, including linear and striped volumes
• Extend, grow, shrink and move LVM volumes
• Understand and manage LVM snapshots
• Understand and manage LVM thin and thick pools
• Understand and manage LVM RAIDs

364.4 Network High Availability

• Understand and configure bonding network interface
• Network bond modes and algorithms (active-backup, blance-tlb, balance-alb, 802.3ad, balance-rr, balance-xor, broadcast)
• Configure switch configuration for high availability, including RSTP
• Configure VLANs on regular and bonded network interfaces
• Persist bonding and VLAN configuration
• Understand the principle of autonomous systems and BGP to manage external redundant uplinks
• Awareness of traffic shaping and control capabilities of Linux

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