ISO/IEC 13346-3:1999

INTERNATIONAL ISO/IEC
STANDARD 13346-3
Second edition
1999-06-01
Information technology — Volume and file
structure of write-once and rewritable
media using non-sequential recording for
information interchange —
Part 3:
Volume structure
Technologies de l'information — Structure de volume et de fichier de
moyens d'écriture unique et de réécriture utilisant un enregistrement non
séquentiel pour l'échange d'information —
Partie 3: Structure de volume
Reference number
B C
Contents
1 Scope .1
2 Parts references.1
3 Part interface.2
3.1 Input .2
3.2 Output .2
4 Conformance.2
4.1 Conformance of a medium .2
4.2 Conformance of an information processing system .3
5 Definitions .3
5.1 Anchor point.3
5.2 Cyclic Redundancy Check (CRC).3
5.3 Extent.3
5.4 Logical block.3
5.5 Logical sector.3
5.6 Logical volume.3
5.7 Partition .3
6 Notation .3
7 Basic types.3
7.1 Extent Descriptor.3
7.1.1 Extent Length (RBP 0).4
©  ISO/IEC 1999
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic
or mechanical, including photocopying and microfilm, without permission in writing from the publisher.
ISO/IEC Copyright Office • Case postale 56 • CH-1211 Genève 20 • Switzerland
Printed in Switzerland
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© ISO/IEC ISO/IEC 13346-3:1999(E)
7.1.2 Extent Location (RBP 4). 4
7.2 Descriptor tag . 4
7.2.1 Tag Identifier (RBP 0) . 4
7.2.2 Descriptor Version (RBP 2). 5
7.2.3 Tag Checksum (RBP 4) . 5
7.2.4 Reserved (RBP 5). 5
7.2.5 Tag Serial Number (RBP 6). 5
7.2.6 Descriptor CRC (RBP 8). 5
7.2.7 Descriptor CRC Length (RBP 10). 6
7.2.8 Tag Location (RBP 12) . 6
8 Volume structure . 6
8.1 Arrangement of information on a volume. 6
8.1.1 Sector numbers . 6
8.1.2 Logical sector . 6
8.2 Volume space. 6
8.3 Volume descriptors . 7
8.4 Volume Descriptor Sequence. 7
8.4.1 Contents of a Volume Descriptor Sequence. 7
8.4.2 Recording of the Volume Descriptor Sequence . 7
8.4.3 Prevailing descriptors . 8
8.4.4 Recording of descriptors. 9
8.5 Allocation of the volume space. 9
8.6 Volume set. 9
8.7 Partition . 10
8.8 Logical volume. 10
8.8.1 Logical blocks. 10
8.8.2 Logical volume integrity . 10
9 Volume recognition structures. 11
9.1 NSR Descriptor . 11
9.1.1 Structure Type (BP 0). 11
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9.1.2 Standard Identifier (BP 1).11
9.1.3 Structure Version (BP 6) .11
9.1.4 Reserved (BP 7) .11
9.1.5 Structure Data (BP 8).11
10 Volume data structures.12
10.1 Primary Volume Descriptor.12
10.1.1 Descriptor Tag (BP 0) .12
10.1.2 Volume Descriptor Sequence Number (BP 16).12
10.1.3 Primary Volume Descriptor Number (BP 20) .12
10.1.4 Volume Identifier (BP 24) .13
10.1.5 Volume Sequence Number (BP 56).13
10.1.6 Maximum Volume Sequence Number (BP 58) .13
10.1.7 Interchange Level (BP 60).13
10.1.8 Maximum Interchange Level (BP 62) .13
10.1.9 Character Set List (BP 64).13
10.1.10 Maximum Character Set List (BP 68) .13
10.1.11 Volume Set Identifier (BP 72).13
10.1.12 Descriptor Character Set (BP 200) .13
10.1.13 Explanatory Character Set (BP 264).13
10.1.14 Volume Abstract (BP 328).14
10.1.15 Volume Copyright Notice (BP 336) .14
10.1.16 Application Identifier (BP 344).14
10.1.17 Recording Date and Time (BP 376) .14
10.1.18 Implementation Identifier (BP 388).14
10.1.19 Implementation Use (BP 420) .14
10.1.20 Predecessor Volume Descriptor Sequence Location (BP 484).14
10.1.21 Flags (BP 488) .14
10.1.22 Reserved (BP 490) .15
10.2 Anchor Volume Descriptor Pointer.15
10.2.1 Descriptor Tag (BP 0) .15
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© ISO/IEC ISO/IEC 13346-3:1999(E)
10.2.2 Main Volume Descriptor Sequence Extent (BP 16) . 15
10.2.3 Reserve Volume Descriptor Sequence Extent (BP 24) . 15
10.2.4 Reserved (BP 32) . 15
10.3 Volume Descriptor Pointer . 15
10.3.1 Descriptor Tag (BP 0).
...