cs312-lecture8_slides

cs312-lecture8_slides - CS 312 Linux System Administration...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
CS 312 Linux System Administration Performance Lance Albertson OSU Picture © Greg Keene used under CC SA 3.0 license
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Announcements HW1 Grades HW3 Due April 30 th Midterm April 28 rd Reading MDADM HOWTO (Sections 3-7) Book Chapter 25
Background image of page 2
Today's Objectives LVM RAID MDADM System Performance ZFS
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Logical Volume Management Higher-level view of storage Resize, remove, move, etc “live” Sensible names (i.e. “data”) Instead of: /dev/sda2 You use: /dev/lvm/root
Background image of page 4
LVM: Booting Boot loader can't read LVM /boot – needs to be regular partition “/” under LVM initrd / initramfs userspace initialization recovery issues
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Anatomy of LVM Volume Group (VG) Physical Volume (PV) Logical Volume (LV) Physical Extent (PE) Logical Extent (LE)
Background image of page 6
LVM: Snapshots Exact copy frozen in time Backup MySQL System Read only / Read-Write
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
RAID Redundant Arrays of Inexpensive Disks Types 0 “striped” , 1 “mirror”, 5, 6, 10 Hot Spare Disks Maintain Availability Improve Performance Hardware vs. Software
Background image of page 8
Software RAID: mdadm Create Assemble Monitor Grow Manage Misc Superblock
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/28/2009 for the course CS 312 taught by Professor Staff during the Spring '08 term at Oregon State.

Page1 / 26

cs312-lecture8_slides - CS 312 Linux System Administration...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online