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Sydney Boys High School. Technology Implementation

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Sydney

 

Boys

 

High

 

School

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 Every classroom has a computer with speakers and 

projector connected to it.

 School and P&C funded 

 Used by teachers and students

 Have 4 rooms with IWB but not used much.

 Teachers preferred having a white board they could 

write on and a projector to show things, rather than an 

IWB.

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Have following computer labs:

 Junior  Library for general use (30 PCs)

 Senior Library for general use PCs (20 PCs)

 Shared lab for general use & programming (30PCs)

 Industrial Arts Lab (20 PCs)

 Industrial Arts Classroom (12 PCs)

 Music Lab with MIDI keyboards (10 PCs)

 Video Lab (20 PCs)

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 Every teacher has a computer on their desk

Staffrooms have laser printers for small jobs and we 

have multiple photocopiers around the school for 

larger jobs.

 Papercut for print auditing:

 Teachers can charge jobs against different departments

 Students have a quota and can purchase recharge cards 

from office.

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 16 iPads were purchased and distributed to staff

 Hybrid model allows staff to add own apps

 Initial set up training and follow up sessions to 

showcase apps and teachers to share their 

experiences

AirServer on every classroom computer

 Allows staff to mirror their iPad to projector

 Required a Bonjour Reflector to be configured between 

our internal VLANs and our Wi‐Fi.

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 Planning began in August 2012

 ICT strategic review also considered:

 structured rollout 

 build up PC labs

 2013 Planning documents and consultation

 Teachers surveyed on how they have students use DER 

in classroom

 Presented at P & C meeting for feedback

 SRC for student comments / concerns

BYOD

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 Devices require:

 9.7”+ screen size

 5GHz Wi‐Fi 802.11n

 Physical Keyboard (inc iPad + Bluetooth K/B)

 6+ hours battery life

 Software:

 Word Processing (Word, Pages, Writer, etc.)

 Spread sheet (Excel, Numbers, Calc, etc.)

 Mathematical Plotting (Wolfram Alpha site or app)

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 2014 will be BYOD for Year 9

If successful will consider extending BYOD to 

Years 7‐8 in 2015

 Will retain a TSO to manage existing DER devices and 

help configure and troubleshoot getting student 

devices on the network.

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 Failover Clustering to provide highly available services

 Hyper‐V & File Share clusters

 Storage: Dell MD3600i SAN + MD1220 expansion

 2x PowerEdge R720

 64GB RAM

 Server 2012 Hyper‐V

 Domain controllers are on each host rather than cluster.

 Remote DC on Microserver

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PABX

 Redundant AD server

 Provides a physical sync source 

for rebooting VMs & hosts.

 Fax Server (HylaFax)

 Backup

 BackupPC: Deduplicated files

 iSCSI target for main backup

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 HylaFax running on Linux (Ubuntu 12.04)

Connected using a USB fax/modem dongle

 All incoming faxes are emailed as a PDF to reception 

email account

 Reduces waste paper due to fax spam

Allows easy forwarding of faxes to recipient

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 HD‐HomeRun connected to roof antenna and 

network

 Win 7 Virtual machine running Windows Media Centre 

and Remote Potato to make available on intranet

 Teachers can record a single show or an entire series

 After recording it compresses video to MP4 and 

copies to shared folder on network

 If not claimed by teacher cleaned up after 2 weeks

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Why?

DER fibre problems

 Most switches > 10 years old

 No gigabit desktop support

 No 10Gbps backbone upgrade path

What :

 Replaced all switches over the course of four years

Upgrade backbone to multiGbps  Ensure 10Gbps capability in switches

 Judicious installation of new fibre to improve topology

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Server Room hpProCurve Switch 8000 OfficeA_8000M J4113A 1000SX Library2524 Music2524 Languages_2524B English2524 hpProCurve Switch 8000 OfficeB_8000M hp ProC urve Switc h 8000 Library_4000M Languages_2524A J 4 1 3 2 A 1 0 0 0 L X J 4 1 3 1 B 1 0 0 0 S X J 4 1 3 2 A 1 0 0 0 L X J 4 1 3 1 B 1 0 0 0 S X J 4 1 3 2 A 1 0 0 0 L X J 4 1 3 1 B 1 0 0 0 S X J 4 1 3 1 B 1 0 0 0 S X J 4 1 3 1 B 1 0 0 0 S X J4113A 1000SX J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4113A 1000SX J4113A 1000SX J4113A 1000SX hpProCurve Switch 8000 Room605A_4000M J4113A 1000SX hpProCurve Switch 8000 Room605B_4000M J4113A 1000SX J4113A 1000SX J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4113A 1000SX J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4111A 10/100T J4113A 1000SX J4113A 1000SX hpprocurve switch 1600M J4120A PE/PD_1600M hpprocurve switch 1600M J4120A IndArts_1600M J4 11 3A 10 00 S X J 4 1 13A 100 0S X

Old

 

Layout

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Iciniga (Nagios fork) Monitors and Alerts for:

Printers & Copiers

 Wifi Access Points

 Switches

 Servers (Disk space, RAM, CPU usage)

 Active Directory

 Printing and Papercut

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Cacti records and graphs values over time  Network utilisation  Wi‐Fi  WAN  Hard Drive  Space Consumption  Load  CPU load

Monitoring

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 Previously had entire 2048 IPs on single subnet

 Including devices connected to school Wi‐Fi

 Had problems with large amounts of broadcast traffic 

dropping Wi‐Fi connections.

 Divided the IP range into 7 subnets, each in own 

VLAN:

 Servers, Wi‐Fi Clients, Printers, Switches 

 1 for each building (3 total)

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 Needed to configure IP routing on our head switch

 VLAN Configuration and IP Routing

 ip proxy‐arp  (DEC devices with wrong subnet to talk)

 ip helper‐address <IP>  (For DHCP relay to server)

 Required purchase of a Premium license to allow 

IGMP routing 

 Some broadcast based license servers required 

manually added ip forward entries.

(30)

 NEC SV8100 Phone system

Allows phones to connect over data network

 Voicemail delivery to email

 Web based administration

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 Training session for interested staff on Friday 

mornings twice a term.

 Presenter usually myself or Lena Arena

 Have had talks about:

 Moodle

 Google Apps

 TV Recording using internal system

 Internet / Cloud Tools

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 Students can view:

 Class Timetable

 Absence History

 Ballots (SRC, Prefects, Sport selection)

 Confirm Address Details

 View school participation for Award Scheme

 Home Drive and shared folders

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 Automatically creates classes and enrols students

We create metacourses to group classes into year 

based subjects (e.g. Yr 7 English)

References

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