virtually limitless: moving to virtual servers
DESCRIPTION
Virtually Limitless: Moving to Virtual Servers. Adam Duffy Edina Public Schools. What is a virtual server?. What is a virtual server?. Traditional server One physical server One OS All installed hardware is limited to that one server If hardware fails, server fails. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/1.jpg)
Virtually Limitless: Moving to Virtual Servers
Adam DuffyEdina Public Schools
![Page 2: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/2.jpg)
What is a virtual server?
![Page 3: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/3.jpg)
Traditional server◦ One physical server◦ One OS◦ All installed hardware is limited to that one server◦ If hardware fails, server fails
What is a virtual server?
![Page 4: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/4.jpg)
Virtual server◦ Contained on a virtual host◦ Virtual host provides resources to the VM as
needed◦ VM can easily be migrated to another host,
because each VM is given consistent virtual hardware
What is a virtual server?
![Page 5: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/5.jpg)
What is a virtual server?
![Page 6: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/6.jpg)
![Page 7: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/7.jpg)
![Page 8: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/8.jpg)
![Page 9: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/9.jpg)
Why did we go with VMware vSphere? What other options are available?
◦ Microsoft Hyper-V◦ Xen (Citrix XenServer)
What products are available for virtualizing?
![Page 10: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/10.jpg)
Use resources more efficiently Physical server consolidation Manage servers more efficiently Reduce downtime, both planned and
unplanned Lots of tools
What advantages does virtualization provide?
![Page 11: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/11.jpg)
Capture the state of a server at a point in time
You can safely make changes, knowing that you can revert back if something goes wrong
Integration with backups◦ Snapshots themselves are not backups!
Snapshots
![Page 12: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/12.jpg)
![Page 13: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/13.jpg)
Make an exact copy of a server without disturbing the live copy
“Let’s try this” Production -> development
Live clone
![Page 14: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/14.jpg)
Have a pre-configured version of an OS ready to deploy
Ease of deployment opens up new possibilities
Templates
![Page 15: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/15.jpg)
Move VMs between hosts with no downtime VMs are automatically restarted when a
host fails Automatically balance computing capacity
across hosts
vMotion, HA, and DRS
![Page 16: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/16.jpg)
Easily add CPU, RAM, HD space, NIC Minimize downtime
Adding and removing resources
![Page 17: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/17.jpg)
![Page 18: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/18.jpg)
![Page 19: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/19.jpg)
![Page 20: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/20.jpg)
Many vendors provide premade VMs for deploying their services
Cisco NCS SAN failover manager
Vendor-provided VMs
![Page 21: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/21.jpg)
Manage failover from production datacenters to disaster recovery sites
Site Recovery Manager
![Page 22: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/22.jpg)
Hardware◦ Hosts
3x HP ProLiant DL380 G6 8x CPU cores per host, at 2.266 GHz each 24 GB RAM per host
◦ Storage 2x HP StorageWorks P4300 G2 (LeftHand SAN) 5.5 TB usable
Software◦ VMware vSphere 4
How we got started
![Page 23: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/23.jpg)
Makes switching to virtual servers much easier
Can do it (mostly) live Some success and some failure
Converting physical to virtual
![Page 24: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/24.jpg)
Before
(dramatic reenactment)
![Page 25: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/25.jpg)
After10 CPUs, 22 cores
Using 13.2 GHz / 97.5 GHz288 GB RAM
Using 151 GB34 TB usable storage
Using 24 TB 10 TB is high performance
44 virtual servers
![Page 26: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/26.jpg)
You’ll need outside help Added complexity When not to virtualize
Possible downsides
![Page 27: Virtually Limitless: Moving to Virtual Servers](https://reader036.vdocument.in/reader036/viewer/2022062410/5681614d550346895dd0d197/html5/thumbnails/27.jpg)
Supports larger VMs◦ Up to 1 TB RAM and 32 virtual CPUs
Improvements to HA◦ Easier to set up, more scalable
vSphere Web Client
New features in vSphere 5.0/5.1