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SAN, Blade, VM Ware. Larry M. Gerlt A+, CNE 3, MCSE 4, CCNA. Overview. SAN and Blades Advantages Disadvantage Who Mosaic chose and Why VM Ware Advantages/Uses Disadvantages/Non-Uses. Advantages - Why Use a SAN. Data Safety Lost 3 hard drives in one weekend. Had only one hot spare

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san blade vm ware

SAN, Blade, VM Ware

Larry M. Gerlt

A+, CNE 3, MCSE 4, CCNA

overview
Overview
  • SAN and Blades
    • Advantages
    • Disadvantage
    • Who Mosaic chose and Why
  • VM Ware
    • Advantages/Uses
    • Disadvantages/Non-Uses
advantages why use a san
Advantages - Why Use a SAN
  • Data Safety
    • Lost 3 hard drives in one weekend.
    • Had only one hot spare
    • Did not lose any data
  • Disk Space Utilization
    • Pockets of Space on various Server Raids
    • Seldom had free space where needed
    • On a SAN you grow the volume as needed
san disadvantages
SAN Disadvantages
  • Initial Investment
    • Cost of SAN
    • Cost of Fiber cards for servers
    • Cost of Fiber switches
  • Single Point of failure
san risk management spof
SAN Risk Management SPOF
  • Dual Cisco fiber switches
  • Dual fiber cards for production servers
  • Latest iteration – boot from SAN
xiotech features
XioTech Features
  • Standard SAN features
    • Redundant Power Supplies
    • Raid 1, 5, 10
    • Central Management
    • Can define selected disk(s) for
      • Separate disk space pool
      • Limiting to specific users
xiotech features1
XioTech Features
  • Unique to XioTech
    • Change Raid configuration on-the-fly
    • Upgrade to larger drives one drive at a time
    • Mix and match drives without having separate pockets of space
    • Survive multiple simultaneous hard drive failures
blade server advantages
Blade Server Advantages
  • Minimal Rack Space
  • Reduced power consumption
  • Ability to reboot “hung” server remotely
  • Ability to remotely totally down a server and then bring back up.
  • Central Management console
blade server disadvantages
Blade Server Disadvantages
  • Initial Investment
    • We needed to purchase 7 servers to reach a break even point verses buying 1 U servers
  • Purchasing more servers than fit in one Blade Center
    • Again face cost deficit unless buying 7 or more servers
ibm blades
IBM Blades
  • 14 server slots per blade center
  • Only vender offering quad processor servers when we purchased
    • Quad proc. Servers require 2 slots
  • Single or dual fiber port fiber card
  • Single or dual port NICs
  • On board CDRom and floppy
  • Fit in standard Computer Cabinet
slide11

Oma LAN COS LAN

Mosaic, Omaha CoSentry, Bel.

Top Routers - Out to Internet

Solid lines = TCP/IP

Dashed Lines = Fiber

Dotted Line – SAN Repl. via private line

San w/backup & Mag Classic server – Oma

San with Mag 3D and prod RA data - COS

Router

Router

N/W Switch

N/W Switch

Pix 515

Firewall

Pix 520

Firewall

N/W Switch

N/W Switch

Server

Server

Fiber Switch

Fiber Switch

SAN

SAN

Fiber Switch

Fiber Switch

N/W Switch

N/W Switch

vm ware advantages
VM Ware Advantages
  • Server Consolidation
    • Multiple servers on one
    • Totally separate virtual server environment for applications that do not “play well with others.”
    • Reduced overall Hardware costs
  • DRBC
    • Can have backup copy of a server
    • Can drag & drop to other hardware running VM Ware
vm ware advantages 2
VM Ware Advantages (2)
  • Reduced new server build time
    • Can have a generic server to copy for new servers
  • Reduced Console requirements
    • 1 server connected to KB/Mouse/Monitor switch
    • Multiple servers managed on single server
vm ware disadvantages
VM Ware Disadvantages
  • Initial Hardware Cost
    • Requires beefed up server
      • Lots of Ram
      • More disk space
      • Dual processor – prefer quad
  • NIC Overload
    • Must choose application servers that do not require 100% of NIC (may use second NIC)
vm ware disadvantages1
VM Ware Disadvantages
  • Processor overload
    • Do not recommend for memory and processor intensive applications (SQL or other data base server
summary
Summary
  • SANs, Blades, & VM Ware:
    • Improved disk space utilization
    • Increased DRBC
    • ROI for hardware $ spent
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