nchc's drbl grid middleware and service · 2018-11-16 · • supported gnu/linux...
TRANSCRIPT
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NCHC's DRBL grid
middleware and service
Free Software LabFree Software Lab
National Center for High-Performance ComputingNational Center for High-Performance Computing
TaiwanTaiwan
Q4, 2009Q4, 2009
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Outline Introduction to DRBL/Clonezilla
About DRBL/Clonezilla Users in Taiwan and Worldwide Related Activities Success Stories Testimonials System deployed with DRBL @GTD, NCHC
Demo DRBL demo Clonezilla demo
Q&A
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Free Software Lab Free software projects
developed by NCHC's Free Software Lab
Our goal is to create a Free Software Smart Classroom (FSSC) based on our HPC experience DRBL, Clonezilla, DRBL-
WinRoll, Tux2Live, PartClone Cluster Computing Grid Computing Cloud computing: DRBL-
Hadoop, DRBL-Xen
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DRBL/Clonezilla
DRBL ClonezillaA partitioning and disk cloning utility similar to Ghost and True image
Provides a “diskless” and/or “systemless” environment for client machines
Diskless Remote Boot in Linux
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DRBL Saves Money
No HD required in the client machine(s) Truly “Free” Software--freedom to
improve upon and free to use Saves Time
All programs are installed on a single server
One command to Shutdown/Reboot/Power On/Off all client machines
Makes Life Easier No client disk failure Client machines are plug-and-play Computer classroom environment is
extremely flexible GNU/Linux & MS Windows co-exist
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DRBL & LTSP DRBL project was started in 2002 for PC
cluster, at that time LTSP does not support 'fat client' mode
What's the differences: DRBL: Distributed Resource <-> LTSP:
Centralized Resource DRBL: Powerful Client <-> LTSP: Thin Client
DRBL allows 3D gaming and video playback in the client
DRBL is suitable for HPC (high-performance computing) , cluster computing
Either diskless, systemless, or diskfull (by Clonezilla SE)
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Why DRBL?
DRBL Features: NFS-based diskless GNU/Linux SAN-based diskless MS Windows, GNU/Linux (SAN: Storage
Area Network), SAN Boot includes AoE (ATA over Ethernet) and iSCSI
Memory-based diskless mode For small size GNU/Linux, e.g. DSL, PuppyLinux, Clonezilla
live, Gparted live FreeDOS
Clonezilla Server Edition (SE) A single command is required to switch the client environment
DRBL, FreeDOS, OS in local HD, memtest... Linux network installation
Not suitable for older machines and/or thin clients //NOTE// From version 5 (released '07), fat client mechanism is
supported in LTSP
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“Bare Metal” Backup and Restore
“Bare metal” restore -> A technique in the field of data recovery and restoration where the backed-up data is available in a form which allows one to restore a computer system from "bare metal” (i.e. without any requirements as to previously installed software or operating systems). – Wikipedia
Image-based backup & restore is different from file-based (e.g. 'cp', 'tar', 'rsync'...)
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Clonezilla Features
Free (GPL) Software File systems supported: Ext2/3/4,
ReiserFS, Reiser4, XFS, jfs, HFS+, FAT and NTFS
Linux Logical Volume Manager 2 (LVM2) stackable block device is supported
Multicast supported in Clonezilla Server Edition (SE)
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Clonezilla Features Saves and restores partitions and
entire disks If file system is supported, only the
used blocks in the HD are saved and restored. For unsupported file systems, sector-to-sector copying is done via dd.
DRBL-Winroll: The hostname, group, and SID of the cloned MS Windows machine can be changed automatically
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Clonezilla Based on existing software:
Partimage ntfsclone dd updcast DRBL (used for massive
cloning) Partclone (Developed @ the
NCHC, '07) and more.....
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Partclone
http://partclone.org Developed by Thomas Tsai and
Jazz Wang Only the used blocks are saved and
restored Supports Ext2/3/4, ReiserFS,
Reiser4, XFS, HFS+, NTFS & FAT Will support new file system (e.g.
UFS, BTRFS) in the future!
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Two Clonezilla Types Clonezila SE (Server
Edition) Massive cloning Network boot (PXE) DRBL server is
required
Clonezilla Live Single machine
backup Based on
DebianLive (live- helper and live initramfs)
CD/USB flash drive is required
Also available in Clonezilla-
SysRescCD Parted Magic
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Different client modes in
DRBL NFS-based
For diskless GNU/Linux Client connected to server via NFS
SAN-based diskless MS Windows or GNU/Linux Includes AoE (ATA over Ethernet) and iSCSI Client connected to server via SAN
Memory-based For small size GNU/Linux, e.g. DSL, PuppyLinux,
Clonezilla live, Gparted live, or FreeDOS... Client load all the system to its own memory via
network. After that, network connected is not required.
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DRBL Schematic
server
switch 1
node001 node013 node040node027
NIC 1
NIC 4NIC 3NIC 2
switch 2 switch 3
node014~
node028~
public ip
private ip private ip private ip
~
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DRBL• Benefit: Network is everywhere, cheap, and fast• In DRBL
– The hard drive bus cable is replaced by network cable
– All DRBL clients share 1 hard drive in the server
Diskfull PC+ + =
Server
Diskless PC image source: www.mren.com.tw
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InstallationInstallation• http://drbl.sourceforge.net• Supported GNU/Linux distributions, i386/X86_64
• Debian, Ubuntu• Fedora, RHEL, CentOS, Scientific Linux• Mandriva• OpenSuSE
• 4 steps to install– Install GNU/Linux
– Install DRBL package
– Configure server
– Configure client
• Normally it takes about 1 to 2 hours to setup a DRBL server for a computer classroom
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NFS-based DRBL (Includes Clonezilla SE)
IPDHCP
pxe/etherboot
192.168.0.40
kernelTFTP boot
NFS /, /usr, /home ...file system
NIS user loginaccount
pxe/etherboot
192.168.0.1
boot
/, /usr, /home ...
user login
server client nodesswitch
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Modes of NFS-based DRBLModes of NFS-based DRBLFull DRBL Full Clonezilla DRBL SSI Clonezilla Box
NFSbased NFSbased
Kept Kept Gone Gone
~ 200 MB* ~ 200 MB* 0 0
253 253 253 253* depends on the packages installed on the server
/etc, /var of client Tmpfsbased TmpfsbasedFiles in /etc and /var of client after reboot
Extra space in server/clientMax client #/ethernet card in server
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SAN-based DRBL client Based on SAN boot (AoE, iSCSI)
Client boots via PXE -> gPXE -> AoE Server runs AoE or iSCSI service
It allows you to boot OS that do not support file-based network booting
For more info, please refer to: http://drbl.sourceforge.net/one4all/drbl-
sanboot.php http://etherboot.org/wiki/sanboot
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SAN-based DRBL client
DRBL Server
5 AoE DRBL Clients
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DifferencesDifferencesNFSbased SANbased
~ 3040 clients ~ 5 clients /disk on server
file arch
Pros
Cons
A regular PC* as server
Every client has its own /etc/ and /var, and shares other dirs (e.g. /usr, /home...) with server
Every client has its own disk (it's a file on server)
A normal PC can service a normal computer classroom, easier to modify files of clients on server, disk space required is less
Works for GNU/Linux and MS Windows clients
Only works for GNU/Linux clients
Service a few clients, more disk space required on server
*E.g. Intel Core 2 CPU @1.86 GHz, 2 GB RAM, 250G 7300 rpm SATAII HD, 2 Gigabits NICs, with Gigabits switch
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DRBL Live Based on Debian Live
Created by live-helper, and live-initramfs is used
Includes: DRBL server, the diskless server, Clonezilla SE, the massive deployment server Clonezilla live, the disk or partition image or clone tool GParted, the GNOME partition editor for creating,
reorganizing, and deleting disk partitions. More programs, e.g. disk or partition rescue programs,
web browser, picture viewer...
Now DRBL supports Chinese, English, French, Italian, Japanese, and Spanish
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DRBL
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Clonezilla Live On CD, USB flash drive, or PXE server Languages:
Chinese, English, French, Italian, Japanese, Spanish
General Purpose Use- Save or restore interactively Special Purpose Use- Recovery CD/USB drive
Clonezilla image embedded in CD or USB drive One command restores the entire image! One key restores the entire image!
Completely Customizable! Make Clonezilla Live work for you!
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Clonezilla Live
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Public Sector: Primary/High schools 295 Universities 95 Local governments 35 Hospitals 3 TV stations 1
SMBs 124
Misc. 2
DRBL/Clonezilla Use In Taiwan
Known sites/users >500!!!>500!!!
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DRBL/Clonezilla Users Worldwide
>>1,000,0001,000,000 DRBL/Clonezilla Downloads
DRBL
Clonezilla
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Related Activities - 2007 Ubuntu Live Conference
Portland, Oregon, USA, July 23rd, 2007 Clonezilla: It's Better Than Ghost! Speaker: Kristian Hermansen, Security
Researcher/Developer, Cisco Systems, Inc. http://www.ubuntulive.com/cs/ubuntu/view/e_se
ss/12510 LinuxWorld Conference & Expo
San Francisco, USA, Aug, 2007 Dell booth Massive Deployments Speaker: Torsten Spindler, Canonical
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Related Activities - 2008 Libre Software Meeting (LSM) 2008
Mont-de-Marsan, France, July 1st~5th, 2008 “Clonezilla Live, the “Bare Metal” Backup and
Recovery Tool“ Speaker: Steven Shiau http://2008.rmll.info/Clonezilla-live-the-bare-
metal.html?lang=en LinuxWorld Conference & Expo
San Francisco, USA, Aug, 2008 .org Pavilion (booth #: .org 3) BoF: Clonezilla Hands-on Lab: The Universal
“Bare Metal” Backup and Recovery Tool for Linux, Mac OS and MS Windows
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Related Activities - 2009 Libre Software Meeting (LSM) 2009
Nantes, France, July 7-11, 2009 “DRBL: The diskless GNU/Linux and MS
Windows solution“ http://2009.rmll.info/DRBL-The-diskless-GNU-
Linux-and-MS.html?var_recherche=DRBL OpenSource World Conference & Expo
San Francisco, USA, Aug 12-13, 2009 .org Zone (booth #: .org 1)
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Ubuntu Live, USA, Jul/07
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LinuxWorld; “Massive Deployments;” Aug/07
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International Free Software Contest DRBL is the winner in the 'Public Sector
Software' category at Les Trophees du Libre 2007 in France Finals and awards ceremony: Nov. 29th,
2007 http://www.freesoftwareawards.com or
http://tropheesdulibre.com/?lang=en
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Intrnl. Free Software Contest, France, Nov/07
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LSM 2008, France
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LinuxWorld, San Fran, '08Aug 4-7, 2008
One of the largest Linux expos. .org Pavilion (booth #: .org 3) BoF: “Clonezilla Hands-on Lab: The
Universal “Bare Metal” Backup and Recovery Tool for Linux, Mac OS and MS Windows” (Aug. 6th, '08)
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National Applied Research Laboratories Award
DRBL/Clonezilla team is the winner in the category 'Technology Development' for 2008
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National Award in TaiwanExecutive Yuan
The 2008 Award for Outstanding Contributions in Science and Technology
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Success Stories
Da-Feng Elementary School, Taipei, Taiwan
source: distrowatch.com
DRBL/Clonezilla is used to manage computer classroom
Special Report: Linux in Education, 2006 on distrowatch.com
DRBL/Clonezilla press conference @ Da-Feng Elementary School 07/04/07
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Success StoriesHualien County, Taiwan
Used Clonezilla Server Edition (SE) to clone GNU/Linux
145 schools (131 Primary/Jr.; 14 Senior High) use as of June '08
Letter of Commendation from Hualien County Government
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Clonezilla Used in Taiwan's “National PCs”
Source: De-Wen Huang
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Testimonials
Kristian Hermansen Cisco Systems, Boston, MA, Sept. '07 Cloned a 5GB image to 64 machines in
5 under minutes!!! "I used Clonezilla in the design of our Cisco
Computational Cloud Cluster to multicast a 5GB disk image to 64 machines simultaneously and all in under five minutes! Amazing! Thanks Clonezilla!"
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Testimonials Barny Sanchez Information Systems Security,
Southbridge, Massachusetts Cloned 1,084 systems using DRBL
(Clonezilla SE) "I've used DRBL to clone 1,084 systems so far! It was
simple! All I had to do was divide each system into groups of 80-100 PCs and then use multicasting to do the cloning. It took anywhere from 16-38 minutes to clone each system. The images of various operating systems averaged 1GB in size. DRBL has reduced the recovery/cloning factor by more than 500% as compared to the commercial solution I used previously! You can imagine how happy my project managers are!"
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System deployed with DRBL @GTD, NCHC DRBL-Hadoop ClassCloud
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使用使用 DRBLDRBL佈署佈署 HadoopHadoop● 仍在開發中,待整理套件● drbl-hadoop – 掛載本機硬碟給 HDFS 用 svn co http://trac.nchc.org.tw/pub/grid/drbl-hadoop● hadoop-register – 註冊網站與 ssh applet
svn co http://trac.nchc.org.tw/pub/cloud/hadoop-register
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E2CC: Building Energy Efficient ClassCloud using DRBL
Che-Yuan Tu, Wen-Chieh Kuo,
Yao-Tsung Wang, Steven Shiau
Grid Technology DivisionNational Center for High-Performance Computing
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Experiment result – Make kernel
Saves
22.22%
Saves33.33%
Saves16.59% Saves
10.67%
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CPU Performance result
Better for CPU-bound apps
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E2CC Results
DRBL helps to save 7% to 33% power consumption for CPU intensive application.
Disklesss design of DRBL really brings notable effect on power saving for CPU-bound applications .
ClassCloud helps to turn your PC classrooms into a small-scale computing center for Cloud Computing quickly and efficiently.
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• Diskless client (NFS-based)• Diskless client (Memory-based, small Linux)
– DSL
– PuppyLinux
– Gparted Live
– Clonezilla Live
• Diskless MS windows (SAN-based)– AoE boot: MS windows XP
• DRBL Live– DRBL Live
DRBL Demo
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• Clonezilla Live– Clonezilla Live
• http://www.clonezilla.org/clonezilla-live
• Create a recovery CD, USB flash drive• Customized-Clonezilla live
Clonezilla Demo
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Questions ?Questions ?
?????Great!