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The Handbook of Computer Networks is the first comprehensive examination of the core topics in the computer network field. The Handbook of Computer Networks, a 3-volume reference work, with 202 ch...
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DOCUMENT NUMBER: QD-011/RSM04
DEILMANN-HANIEL (S.A.) (PTY) LIMITED
SHEQ PROCEDURE MANUAL
SUBJECT: COMPUTER NETWORK
CONTROLLING OFFICER: SHEQ MANAGER
SIGNATURE:
EFFECTIVE DATE: 21/03/2003
APPROVING OFFICER: MANAGING DIRECTOR
SIGNATURE:
SUPERCEDES DATE: 01/03/2001
REVISION:
PAGE:
1.0
1
1
OF
4
COMPILED BY:
L. INGRAM
SCOPE All departments of DEILMANN-HANIEL (S.A.) are linked to the Computer Network System by which the electronic transfer of data may be carried out efficiently. The scope of this procedure covers the maintenance of the system that will provide satisfactory output to the end user.
2.0
OBJECTIVE To provide a fixed guideline that ensures computer generated data is reliable and accurate and maintained to facilitate complex data output.
3.0
REFERENCES AND CONNECTION WITH OTHER PROCEDURES 3.1 DEILMANN-HANIEL SHEQ Policy QD-010, Section 4.2.3, “Control of Data”. 3.2 DEILMANN-HANIEL SHEQ Policy QD-010, Section 6.3.3, “Hardware & Software”. 3.3 DEILMANN-HANIEL SHEQ Policy QD-010, Section 6.5, “Information”. 3.4 DEILMANN-HANIEL Procedure QD-011/RSM03, “Data Management”.
4.0
ACTIVITIES AND RESPONSIBILITIES 4.1 Backup Procedure: See Flowchart DM003 on page 2 of this Procedure. 4.2 Restore Procedure for Minor Errors: See Flowchart DM004 on page 3 of this Procedure. 4.3 Restore Procedure for Major Errors: See Flowchart DM005 on pages 4 and 5 of this Procedure.
10 Removes the applicable tape from the fireproof safe and stores the tape of the previous day
START
10
Tapes are rotated on a daily cycle every morning of the week. A sixmonthly backup is carried out in June and December and is not recycled
RESPONSIBILITY IT Manager 1020User
20 Finds that data has been lost or garbled
Reports this to the IT Manager
30 IT Manager 20 User
20 Places applicable tape into the backup device
30
32 IT Manager
Checks the perceived defects
30 IT Manager
32
40
END
30
Scheduled backup Attempts to undo the ? problem
YES
Checks that the timer on the backup device is set for 22h00
NO
90
50 IT Manager
50 IT Manager
40 In the morning checks whether backup was successful and stores tape50 in the fireproof safe
Announces to the still YES Data restored logged in user(s) that an ? unscheduled backup is being started
60 IT Manager
60 IT Manager
NO
82
60
Makes an extra backup on the six-monthly tape. Records logbook and stores tape for given period in the fireproof safe
40 IT Manager
40 IT Manager
50 70 IT Manager
Ascertains which drive and Starts the backup what data is missing procedure
70 IT Manager
80 IT Manager
70 60
Accesses the server files Makes a backup of relevant and transfers applicable data on the server of all data to the user user files onto the applicable backup tape
YES
80 NO
End of six-month period ?
80 IT Manager 82 IT Manager
70
80
YES Data in order ? Records logbook with details of the backup data
Manager 9090IT IT Manager
NO
90 FLOWCHART DM004: RESTORE PROCEDURE FOR MINOR ERRORS Sees to it that all designated data is reentered by the user in question
END
DOCUMENT NUMBER: QD-011/RSM04
DEILMANN-HANIEL (S.A.) (PTY) LIMITED
SHEQ PROCEDURE MANUAL
SUBJECT: COMPUTER NETWORK
CONTROLLING OFFICER: SHEQ MANAGER
SIGNATURE:
EFFECTIVE DATE: 21/03/2003
APPROVING OFFICER: MANAGING DIRECTOR
SIGNATURE:
SUPERCEDES DATE: 01/03/2001
REVISION:
PAGE:
1
3
OF
4
COMPILED BY:
START
L. INGRAM
RESPONSIBILITY
10
10 User Finds that the network is no longer operational
20 User
20 Reports this immediately to the IT Manager 30 IT Manager
30 Sees to it that all computers are switched off 40 IT Manager
40 Switches off server and starts it up again
50
Does the server work and can users log in ?
50 IT Manager
YES
60 Managing Director
END
NO
60
70 Outside Consultant Authorises the use of an outside consultant to carry out repair / configuration
70
72 Outside Consultant
72 Checks whether there has been a power failure or any recent changes to the hardware
Hardware in order ?
NO
YES FLOWCHART DM005: RESTORE PROCEDURE FOR MAJOR ERRORS
73
74
DOCUMENT NUMBER: QD-011/RSM04
DEILMANN-HANIEL (S.A.) (PTY) LIMITED
SHEQ PROCEDURE MANUAL
SUBJECT: COMPUTER NETWORK
CONTROLLING OFFICER: SHEQ MANAGER
SIGNATURE:
EFFECTIVE DATE: 21/03/2003
APPROVING OFFICER: MANAGING DIRECTOR
SIGNATURE:
SUPERCEDES DATE: 01/03/2001
REVISION:
PAGE:
1
4
OF
4
COMPILED BY:
74 72
L. INGRAM
RESPONSIBILITY Sees to identifying and replacing faulty hardware
72 73 Outside Consultant
73 YES
75 Is server still operational ?
Format hard drive ?
NO
NO
YES
75 Outside Consultant
80 90
Restore data from the relevant backup tape to the hard disk of the server for the network
Installs Windows NT and other applicable software and configures all hardware
80 Outside Consultant
85
100 Configures the start-up files again if not present
110
74 Outside Consultant
Sets up directory structure on the network as well as groups, users and rights
85 Outside Consultant
90 Outside Consultant
Have the indexes in the various programmes restored and run the control programmes on the network system
100 Outside Consultant
120
130
Check whether all programmes work correctly and make adjustments so that all programmes work correctly again
110 Outside Consultant
Are all programmes in order again ?
120 Outside Consultant
130 IT Manager
140 Advise the various users to re-enter any missing data
