204 Advanced Storage Device Administration

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204.1 Configuring RAID

Weight 2

Candidates should be able to configure and implement software RAID. This objective includes using and configuring RAID 0, 1 and 5.

Key Knowledge Areas 

   * Software raid configuration files and utilities

mdadm.conf

mdadm

/proc/mdstat

fdisk

204.2 Adjusting Storage Device Access

Weight 1

Candidates should be able to configure kernel options to support various drives. This objective includes software tools to view & modify hard disk settings.

Key Knowledge Areas 

   * Tools and utilities to configure DMA for IDE devices including ATAPI and SATA
   * Tools and utilities to manipulate or analyse system resources (e.g. interrupts)

hdparm

tune2fs

sysctl

/dev/hd* & /dev/

204.3 Logical Volume Manager

Weight 3

Candidates should be able to create and remove logical volumes, volume groups, and physical volumes. This objective includes snapshots and resizing logical volumes.

Key Knowledge Areas 

   * Tools in the LVM suite
   * Resizing, renaming, creating, and removing logical volumes, volume groups, and physical volumes
   * Creating and maintaining snapshots
   * Activating volume groups

/sbin/pv*

/sbin/lv*

/sbin/vg*

mount

/dev/mapper/

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