why? - scott grannemanfiles.granneman.com/presentations/security/backup-handouts.pdf80 81 wednesday,...
TRANSCRIPT
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© 2009-2012 R. Scott GrannemanLast updated 20121003
You are free to use this work, with certain restrictions.For full licensing information, please see the last slide/page.
Washington University in St. LouisR. Scott Granneman
Backup Methods & ProceduresLaugh When Disaster Strikes
Accessibility
Security Cost
Why?
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How much datacan you afford to lose?
1 hour?1 day?
1 week?
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Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Backing UpData:Online
Amazon S3
Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Simple Storage ServiceFiles can be public or private
Automatic torrents:append ?torrent to file’s URLAmazon provides the service,
not the software
StorageStarts at $0.125/GB 1st TB/month
Data Transfer! $0/GB in
! Starts at $0/GB 1st GB/month out! $0.12/GB up to 10 TB/month out
Requests! $0.01/1000 PUT, COPY, POST, LIST
! $0.01/10,000 GET! $0.00 DELETE
0
200,000,000,000
400,000,000,000
600,000,000,000
800,000,000,000
1,000,000,000,000
Oct. 2007 Jan. 2008 Oct. 2008 Mar. 2009 Aug. 2009 Mar. 2010 June 2012
Number of Objects Stored at S3
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Source: http://en.wikipedia.org/wiki/Amazon_S3
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Dropbox
The following video is old,but still shows the main features
of DropboxDropbox is no longer in beta
The URL is now www.dropbox.com
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128-bit SSL encryptionduring transportData encryption
using 256-bit AESNew & changed files
automatically uploaded30 day archive
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2 GB = free50 100 GB = $100/year
100 200 GB = $200/yearhttp://www.dropbox.com
Good for backupGreat for collaboration
& syncing
If you decide to sign up,please use this linkhttp://db.tt/P4fnana
I get 500 MB of free space!(& you get an extra 250 MB!)
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Backblaze
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128-bit SSL encryptionduring transport
Data encryption with AESNew & changed files
automatically uploadedWill not back up applications, ISOs,
or Time Machine drives30 day archive
On Macs,correctly backs up & restores
file resource forks, types,creator, creation date,& modification date
Data recovery! Online download
! Order data on DVD ($99)! Order data on external hard drive
($189 for 500 GB)
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2 GB = freeUnlimited = $50/year
http://www.backblaze.com
CrashPlan
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128-bit SSL encryptionduring transportData encryption
with 128-bit Blowfish
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1 PC/$54/yearAll PCs/$100/year
Unlimited data
Others
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Carbonitehttp://www.carbonite.com
SugarSynchttp://www.sugarsync.com
Box.nethttp://www.box.net
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Wualahttp://www.wuala.com
Personally, I useDropbox
CrashPlanAmazon S3
Backing UpData:Local
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Time Machine
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Backup and RestoreCenter
Vista only
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Cannot specify files or foldersto be backed up or skipped
Backup Personal
Files
Backup System Files
Complete PC
BackupAutomated
Backup
Home Basic
Home Premium
Business
Enterprise
Ultimate
!
! !
! ! ! !
! ! ! !
! ! ! !
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Backup
Windows XP
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CrashPlan
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Cloning
Carbon Copy Cloner
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Backup to local or network storageBackup to drives or images
Scheduled backups$40
SuperDuper!
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Free! $28
! Scheduled backups! Smart Update
! Scripting
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Ghost
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Backup & restoreto local or network storage
Ghost (home) $70Ghost (corporate) $39
5-1000 licenseshttp://www.ghost.com
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Acronis True Image
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$50 for Home$83 for Workstation
$853 for Serveretc.
Clonezilla
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Free & open sourcehttp://clonezilla.org
Filesystems! ext2! ext3
! ReiserFS! XFS! JFS! FAT! NTFS! HFS+
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Data saved to:! Local storage! SSH server
! Samba Server! NFS share
Clonezilla Live! Single machine backup & restore
Clonezilla SE (Server Edition)! Massive deployment
! Clone 40+ PCs simultaneously(5.6 GB image to 41 PCs
in 10 minutes)
Others
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FOG(Free Open-Source Ghost)
http://fogproject.org
http://en.wikipedia.org/wiki/List_of_disk_cloning_software
Methods,Media,
& Models
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Media
No.
No.
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No.
Yes!
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Models
Unstructured! Stack of disks or media
! Minimal info aboutwhat was backed up, when! Easiest to implement
! Least likely for recoverability
Full + Incremental! Full backup,
followed by incremental backups! Restoration complicated:full backup + increments
to given time! Very common method
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Continuous! Every change logged & backed up! Bytes or blocks saved, not files
FinalThoughts
Backup locally & off-site
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Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Backup locally & off-site
Backup locally & off-site
Backup locally & off-site
Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Backup locally & off-site
Automate automate automate
Open formats are betterthan closed, proprietary formats
Source: Sylvain Pedneault; edited by jjron; http://commons.wikimedia.org/w/index.php?title=File:FirePhotography_edit1.jpg&oldid=26671960
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Source: Open spaces by jasonsager (http://www.flickr.com/photos/jasonsager/5948451381/)
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Encrypt sensitive backups
Test your backup!
Thank you!
Email: [email protected]: www.granneman.com
Publications: www.granneman.com/pubsBlog: blog.granneman.comTwitter: @scottgranneman
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© 2009-2012 R. Scott GrannemanLast updated 20121003
You are free to use this work, with certain restrictions.For full licensing information, please see the last slide/page.
Washington University in St. LouisR. Scott Granneman
Backup Methods & ProceduresLaugh When Disaster Strikes
Licensing of this workThis work is licensed under the Creative Commons Attribution-ShareAlike License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/1.0or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
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Questions? Email [email protected]
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