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Preparation for M igrating to a New Server (Case study: Mahidol University Library and Knowledge Center) บรรยายโดย นายกฤษฎา แก้วผุดผ่อง (นักวิชาการคอมพิวเตอร์) ฝ่ายเทคโนโลยีสารสนเทศ หอสมุดและคลังความรู้มหาวิทยาลัยมหิดล 3 ธันวาคม 2552 อีเมล์ : [email protected]

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slide1
Preparation for Migrating to a New Server(Case study: Mahidol University Library and Knowledge Center)

บรรยายโดยนายกฤษฎา แก้วผุดผ่อง(นักวิชาการคอมพิวเตอร์)

ฝ่ายเทคโนโลยีสารสนเทศ หอสมุดและคลังความรู้มหาวิทยาลัยมหิดล

3 ธันวาคม 2552

อีเมล์ : [email protected]

slide2
Preparation for Migrating to a New Server

1. Capacity Planning for Server

2. Server Setup / Configuration

3. Innovative’s Access

4. Scheduling

5. Migrating to a New Server

6. Testing with Post-Event Checklist

slide5
1. Capacity Planning for Server

(By Administrator)

  • Estimate Current Resource Utilization
  • Define & Analyse Requirements
  • Size the New Server
slide6
1. Capacity Planning for Server
  • Estimate Current Resource Utilization
  • CPU Usage
  • Memory Usage
  • Disk Usage
  • Current workload
slide9
1. Capacity Planning for Server
  • Define & Analyse Requirements (Example)
  • CPU requirements (OS + Application S/W + No.of user)
  • Memory requirements (OS + Application S/W + No.of user)
  • Disk requirements (OS + Application S/W + No.of user + Data)
  • Backup system
  • Future requirements (CPU + Memory + Disk)
  • Placement (Cabinet)
  • Redundant Power Supply
  • UPS (Uninterruptible power supply )
  • Maintenance Costs
slide10
OS

CPU

RAM

Application Software

Users

Harddisk

slide12
Tower Server

Rack Server

Cabinet

Harddisk

UPS

Redundant Power Supply

slide13
1. Capacity Planning for Server
  • Size the New Server
  • Data available from Vendors
slide14
Processors

Memory

Operating Systemfrom Factory

Support OS

slide16
Storage Type

Maximum Storage

RAID Controller( RAID 5, 1, 0, 0+1, 1+0 , etc.)

slide20
2. Server Setup / Configuration

Create Linux Partition (ext3 file systems) (By Administrator)

root: minimum 500 megabytes

usr: minimum 2 gigabytes

swap: minimum 2x the amount of RAM (i.e. 128 MB RAM = 256 MB swap)

iii: minimum 2 gigabytes (10gb is plenty)

iiidb/software: minimum 12 gigabytes (30gb is plenty)

iiidb: remaining diskspace (largest amount of disk space)

slide22
2. Server Setup / Configuration

Install Applications Software

(By Administrator + Innovative)

slide23
1. M > MANAGEMENT information

2. I > INFORMATION about the system

3. F > FILE information

slide24
2. Server Setup / Configuration

Install Applications Software (continued)

(Administrator)

  • OS installed in 32 bit mode
  • C Compiler / Debugger

(Administrator)

‘gcc’ software

  • SAR (system activity reporter)

(Administrator)

‘sysstat’ software

  • Compress Utility

(Administrator)

‘ncompress’ software (not bzip / gzip / tar !!)

(Administrator)

  • ‘Rsync’ software
  • Correct Time Zone

(Administrator)

  • Powerwatch

(Innovative)

slide26
3. Innovative’s Access
  • Secure Shell (SSH) access is granted through sites firewall
  • both of new and existing server

(Administrator)

  • Login setup with "system" level privileges as well as
  • the "root" password

(Administrator)

(Administrator)

  • Accounts are not "iii" nor "iiiroot"
  • Accounts are available not less than 10 working days before the actual migration

(Administrator)

slide27
3. Innovative’s Access
  • Access Through Local Firewalls

What network access through firewall does Innovative need?

Support from Emeryville, CA, USA

205.227.88.253

In addition, Innovative requests that access be granted through your firewall for both inbound and outbound Secure Shell (SSH)andFTP services for the IP address listed below.

8.4.224.250

slide28
Existing Server-RHAS 2.1

New Server-RHEN 4.7

rsync

Swap IP /Hostname

Server Firewall

Server Firewall

SSH / FTP

Innovative

Computing CenterFirewall

205.227.88.253

8.4.224.250

slide30
4. Scheduling

(Administrator)

  • Dates for migration (upon the library)
  • Migrations are performed during Innovative's core business hours (M-F, 8am-5pm Pacific time(US) GMT-08:00 )

Bangkok - GMT+07:00

Once both sides have agreed on a date to perform the migration, will also need the following:

  • Five working days before actual migration, please start
  • announcing to your patrons that the Innovative Server will
  • be inaccessible for 24 hours

(Administrator)

slide32
4. Scheduling
  • Perform a Full Backup at close of business the night before
  • the migration takes place

(Administrator)

  • Have one staff person available during the migration in case
  • of an emergency

(Administrator)

  • Full testing of the system should be done RIGHT AWAY
  • following the migration

(Staffs in each module)

slide33
4. Scheduling
  • Current system must be running Innovative's latest supported
  • release of software

(Administrator)

  • Prepare to swap IPs and hostnames after migrated your data
  • to the NEW server

(Administrator)

slide35
5. Migrating to a New Server
  • Hardware Support Information

http://csdirect.iii.com

slide36
Hardware

http://csdirect.iii.com

slide37
5. Migrating to a New Server
  • Hardware Support Information
  • Supported Operating Systems
  • Supported Processor Types
  • Disk Partitioning Basics
  • Tape Backup Device
  • Uninterruptible Power Supply (UPS)
slide38
5. Migrating to a New Server
  • Hardware Support Information (continued)
  • Supported Operating Systems

Redhat Enterprise Server (ES) v 5 is not supported

slide39
5. Migrating to a New Server
  • Hardware Support Information (continued)
  • Other Supported Operating Systems
slide40
5. Migrating to a New Server
  • Hardware Support Information (continued)
  • Supported Processor Types
slide41
5. Migrating to a New Server
  • Hardware Support Information (continued)
  • Disk Partitioning Basics (Example)
  • RAID or SAN
  • 4 disk RAID1
  • 2 disk NON-RAID
slide42
5. Migrating to a New Server
  • Hardware Support Information (continued)
  • Disk Partitioning Basics (Example)
  • RAID or SAN

For any RAID (RAID 5, RAID 0+1, RAID 1+0*EXCEPT* RAID1 or SAN with only 1 DISK

/iii minimum 2 GB/iiidb remainder of the disk/iiidb/software minimum 12 GB (OPTIONAL mount point if this space included in /iiidb partition

slide43
5. Migrating to a New Server
  • Disk Partitioning Basics (Example)
  • 4 disk RAID1

DRIVE 0 (system/boot disk) - MIRRORED to DISK 2

/ 2 GB

swap (twice the memory size)

usr 3 GB

var 1 GB

/iiidb/errlog 1 GB

/iiidb/big0 balance of drive (ie. rest of disk 0)

DRIVE 1 - MIRRORED to DISK 3

/iii 2 GB

/iiidb/software 12 GB

/iiidb balance of drive

slide44
5. Migrating to a New Server
  • Disk Partitioning Basics (Example)
  • 2 disk NON-RAID

DRIVE 0

/ 2 GB

swap (twice the memory size)

usr 3 GB

var 1 GB

/iiidb/errlog 1 GB

/iii 2 GB

/iiidb/big0 balance of drive (ie. rest of disk 0)

DRIVE 1

/iiidb/software 12 GB

/iiidb balance of drive (ie. rest of disk 1)

slide45
5. Migrating to a New Server
  • Hardware Support Information (continued)
  • Tape Backup Device
  • Innovative supports two backup models, Standalone or Enterprise

Standalone

A user-scheduled backup to an attached tape drive using Millennium's built-in backup facility. Included on all systems.

slide46
5. Migrating to a New Server
  • Hardware Support Information (continued)
  • Uninterruptible Power Supply (UPS) (Dedicated UPS)

(Administrator)

(Innovative)

1

Powerwatch Software

Smart-UPS

  • Serial cable (RS-232) or
  • USB cable

OR

2

Matrix model

slide47
5. Migrating to a New Server
  • Workstation Recommendations for Running Millennium Staff Applications
  • System Recommendations
  • Supported Operating Systems
slide49
System Recommendations (continued)
  • The Millennium environment has two parts: the Millennium client
  • and the JAVA Runtime Environment (JRE).
  • Recommended Browsers for WebPAC – Microsoft Internet Explorer
  • versions 6 and higher , Mozilla Firefox version 0.8 and higher
slide50
System Recommendations (continued)

Download and Install the Millennium Environment Software for Windows (Others support for Linux / Mac)

http://csdirect.iii.com/downloads/milclient_windows.shtml

slide51
Supported Operating Systems
  • Supported Windows 7
slide53
6. Testing with Post-Event Checklist
  • Post-Event Checklist

Use this checklist after a hardware migration or an upgrade to verify that your system is operating properly

slide54
6. Testing with Post-Event Checklist
  • Post-Event Checklist (continued)
slide55
6. Testing with Post-Event Checklist
  • Post-Event Checklist (continued)
slide56
Problems after Migrating

1. Cannot Backup Data to Tape

Solution : Contact to Innovative (Not found ‘/backup’ folder)

slide57
Problems after Migrating

2. Cannot Send E-mail from System to User

Solution : Set mail server configuration in /etc/mail/sendmail.cf (New Server) . The Old Server is in ‘/etc/sendmail.cf’

slide58
Problems after Migrating

3. Cannot use ‘My Reading History’ function

Solution : Migrating to a New Server

slide60
Problems after Migrating

4. Disappeared of Vendors Information

Solution : Contact to Innovative

slide61
Problems after Migrating

5. Cannot display Thai language (Slip from Selfcheck Machine)

Solution : Contact to Innovative

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