Download - Disaster Recovery Planning
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IT:Network:Applications10-150-188
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What is the worst that could happen?◦ It will
When is the worst time that could happen?◦ That’s when it will
What can we do to prevent it? What can we do to recover from it?
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Physical◦ Fire Suppression◦ Floods?◦ Who’s there?
File System◦ Rights/Permissions◦ NTFS vs Share
Authentication◦ Password required◦ Change passwords
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How are we configured?◦ At a minimum◦ Step by step system procedures from building a
server to making a folder Hardware (Bios settings)
◦ What is required to get a system restored OS
◦ Version; License Numbers; Administrator Password;◦ IP Addr; Services Installed; Services Config
Helps to check configuration Helps to rebuild if needed
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Security Updates as soon as feasible Service Packs
◦ When your third party software blesses it◦ Some software packages can be 6 months behind
Driver Updates ?◦ If it ain’t broke…well, test
BIOS Updates ?◦ See above
Optional Updates ? Use Test Machine(s) / Lab
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“It isn’t if the hard drive will fail, it’s when will the hard drive fail.”
User “oops” or PEBKAC◦ Accident◦ Intentional◦ 95% of data loss comes from inside
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Full backup is always best◦ Incremental◦ Differential◦ Both handle a file based on the archive bit status
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Tape Rotation◦ Grandfather – Father – Son (GFS)
G: Monthly full; F: Weekly full; S: Daily
◦ Others available: (e.g., Tower of Hanoi) Think powers of 2 setA every two days; setB every 4 days; setC every
8…
M T W H F
1 2 3 4 F:5
1 2 3 4 F:6
1 2 3 4 F:7
1 2 3 4 G:8
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Daily backups◦ Should keep the previous backup off-site◦ Rotate off-site daily◦ Quick and easy to restore◦ Full backup can be rotated every two weeks at a
minimum. FridayA is offsite until FridayB is run
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Weekly/Monthly◦ Kept as long as “needed”◦ Keep secured
Theft
Larger companies outsource backup storage Third party companies offering remote
backup services (cloud-ish data backup)
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Windows Server 2008 R2 does not support tape devices
Backups are trending towards disk to disk backups
System imaging is gaining popularity Can backup to file or to a remote system
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Doesn’t need to be fancy◦ Microsoft Backup works
GUI is easy to use◦ Command line options—
Wbadmin.exe Wbadmin.exe START RECOVERY –
version:09/30/2010-18:30 –items:d:\common –itemtype:File –backupTarget:E: -recursive
You get what you pay for◦ Symantec Backup Exec◦ Backup Assist◦ Storageworks