Storage and Backups November 18, 2010 | Worksighted.
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Transcript of Storage and Backups November 18, 2010 | Worksighted.
Agenda
Welcome / About Backups and How they fit into DR Typical Local Vs. Typical Remote Backups Worksighted LiveBackup Storage Basics Dell EqualLogic PS Series Arrays– Marc
Malotke from Dell Questions?
Welcome / About
About the Presenters Matt Scott
Dell EqualLogic Certified Engineer VMware Certified Professional Project Manager, Worksighted
Marc Malotke Enterprise Solutions Specialist, Dell Focused on EqualLogic and Dell Solutions
Backups
What do we mean by Backups? Making copies of data so that these
additional copies may be used to restore the original after a data loss event. Deleted or copied over a file Major disaster
Backups
Backups are not the same as Disaster Recovery. Disaster Recovery (DR) is the process,
policies and procedures related to preparing for recovery or continuation of technology infrastructure critical to an organization after a natural or human-induced disaster.
Backups are part of DR but backups alone are not a DR plan.
Backups
Simple Disaster Scenario
A leak in the server room causes the file server to be rendered inoperable.
Backups
Simple Disaster Scenario Backups exist but… Where do we restore them to? Who’s going to do the
restoration? How do we communicate the
outage with those affected? (Employees, customers, other agencies)
How do we function in the mean time?
Backups
Traditional Local Backups - Advantages Relatively inexpensive Quick and Easy to set up Media is portable
Backups
Traditional Backups - Disadvantages Many types of backup media wear out over
time and can fail. Backup media stored onsite may be
destroyed if a facility is lost or damaged. Moving backup media offsite can be
inconvenient and insecure. Hardware and software to read the media
must be available as well as a target to restore the data to.
Backups
Remote Backups - Advantages Data is encrypted and stored securely
offsite. Compliant with Sarbanes-Oxley, HIPAA
and GRAM-Leach-Bliley Data is protected from facility loss. Data can be restored to any physical
location that has Internet connectivity.
Backups
Remote Backups - Disadvantages Restoration can take a long time due to
bandwidth limitations. Example: download 500GB over a T1
connection would take about 30 days.
A destination server is required.
Backups
Data is stored both onsite and offsite in a secure data center.
Quick file recovery from local device.
servers LiveBackupdevice
Internet
Datacenter
Backups
Failed servers can be restored as Virtual Machines to the local appliance.
Failed Server LiveBackupdevice
Internet
Datacenter
Users continue to work on backup device.
Backups
Failed servers can be restored as Virtual Machines to the local appliance.
Failed Server LiveBackupdevice
Internet
Datacenter
Users continue to work on virtual machines in datacenter.
Backups
Worksighted LiveBackup
Multiple recovery points Backups are infinitely
customizable Standard 9 generations Archive Local storage
Scales with customer and data
Review Question How long would it take to download 500
GB of data over a T1? It would take about 30 Days
Storage 101
What do we mean by “Storage?” Computer components and recording media
that retain digital data used for computing for some interval of time.
That means Storage is where your Programs, Email, Word Docs, Excel Docs, PDFs, Calendars, Contacts, QuickBooks Data, CAD Drawings, Databases, Pictures, Videos, Music, Websites, Facebook Statuses, Tweets, Backups, Tax Information, Games, Maps, Instant Messages, Your Child’s Grades, Shopping Lists, etc. all live.
Storage 101
And the data continues to grow…. 2009 – Estimated total digital data = 800,000
petabytes. PB = 1 million GB. That’s a stack of DVDs reaching from the Earth to the Moon and back.
2010 – it will grow to about 1.2 million petabytes 2020 – 35 million petabytes or 44x the data in
2009 The stack of DVDs would now reach halfway to Mars.
Source-2010 Digital Universe Study - http://gigaom.files.wordpress.com/2010/05/2010-digital-universe-iview_5-4-10.pdf
Storage 101
Common Types of Storage Magnetic – Floppy Disks, Hard Disks and Magnetic
Tape Optical – CDs and DVDs Semiconductor – Flash Drives, SD Cards, Memory
Sticks, Solid State Hard Disks
Storage 101
Protecting data on hard drives RAID – Redundant Array of Independent Disks
A method for combining multiple hard disk drives for the purposes of increasing storage, performance or fault tolerance.
The RAID “Level” indicates the way the data is organized on the disks and the level of redundancy.
Storage 101
RAID 5 - 3 hard drives in server but usable disk space of 2 hard drives.
=
You can lose one drive and still function.
3x 73GB hard drives146GB Usable
Storage 101
Some Common RAID LevelsLevel Storage
EfficiencyDrive Failures Tolerated
Average Performance
RAID 0 100% None Best
RAID 1 50% (2 Drives)
1 OK
RAID 5
1 Drive Lost(3 Drive Min)
Any 1 Better
RAID 6 2 Drives Lost(4 Drive Min)
Any 2 OK
RAID 10
50%(4 Drive Min)
1 from each pair (up to 50%)
Best
RAID 50
2 Drives Lost(6 Drive Min)
1 from each set (up to 2)
Better
Storage 101
Hard Disk Storage Technologies DAS (Direct Attached Storage) NAS (Network Attached Storage) SAN (Storage Area Network)
Storage 101
Direct Attached Storage (DAS) Hard drives in a PC or Server Disks are directly connected to the machine often
residing in the chassis with the rest of the server components.
Simple to deploy and has a low initial cost. Ideal for environments with a single server or a few
servers. Also good as a stepping stone to networked storage.
Storage 101
Direct Attached Storage (DAS) As things grow management complexity
can grow quickly. Adding storage to a server or moving
excess storage from one server to another can be difficult or impractical.
Storage 101
Network Attached Storage (NAS) A Special purpose device comprised of
hard disks and management software that is dedicated to serving files over a network.
Not used as often because of limited applications as opposed to SAN.
Storage 101
Storage Area Network (SAN) A dedicated high performance storage
network that transfers data between servers and storage devices.
Uses either Fiber Channel or iSCSI. Optimized for moving large chunks of
data. Typically designed with scalability and fault
tolerance in mind.
Storage 101
Storage Area Network (SAN) Allows for flexible and efficient
provisioning and organizing of storage. A SAN volume is presented as local
storage to the server’s OS meaning that it can be used in most any storage application.
Higher initial cost and more complicated to manage than DAS or NAS.
Storage 101
Clients
Server A
Server B
SAN SwitchEthernet (for iSCSI)
or Fiber ChannelSAN Storage
Array
LAN Switch
Local Area Network (LAN)
Storage Area Network (SAN)
EqualLogic PS Series Arrays
Introducing Marc Malotke Enterprise Solutions Specialist, Dell Focused on EqualLogic and Dell Solutions
Thank You!
Questions?(if you would like more detailed information on the possible
benefits for your business as well as a more detailed feature presentation please contact Matt Scott )
Matt Scott: [email protected] (616-582-1129)
Some References
Backups – http://en.wikipedia.org/wiki/Backup Disaster Recovery – http://
en.wikipedia.org/wiki/Disaster_recovery NAS, DAS or SAN – http://
www.storagesearch.com/xtore-art1.html Computer Data Storage – http://
en.wikipedia.org/wiki/Computer_data_storage 2010 Digital Universe Study – http
://gigaom.files.wordpress.com/2010/05/2010-digital-universe-iview_5-4-10.pdf