ISO/IEC 13346-4:1999

INTERNATIONAL ISO/IEC
STANDARD 13346-4
Second edition
1999-04-01
Information technology — Volume and file
structure of write-once and rewritable
media using non-sequential recording for
information interchange —
Part 4:
File 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 4: Structure de fichier
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.3
4.1 Conformance of a medium .3
4.2 Conformance of an information processing system .3
5 Definitions .3
5.1 Extent.3
5.2 File set.3
5.3 Group ID.3
5.4 Logical block.3
5.5 Logical volume.3
5.6 Partition .3
5.7 Stream.3
5.8 User ID .3
6 Notation .3
7 Basic types.4
7.1 Recorded address.4
7.1.1 Logical Block Number (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
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ISO/IEC Copyright Office • Case postale 56 • CH-1211 Genève 20 • Switzerland
Printed in Switzerland
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© ISO/IEC ISO/IEC 13346-4:1999(E)
7.1.2 Partition Reference Number (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). 6
7.2.7 Descriptor CRC Length (RBP 10). 6
7.2.8 Tag Location (RBP 12) . 6
8 File structure . 6
8.1 Volume set. 6
8.2 Arrangement of information on a volume set. 6
8.3 Arrangement of information on a logical volume. 6
8.3.1 File Set Descriptor Sequence. 6
8.4 Arrangement of information on a partition . 7
8.5 File set . 7
8.6 Directories . 7
8.6.1 Order of directory descriptors. 8
8.6.2 Directory hierarchy size restrictions . 9
8.7 Pathname. 9
8.7.1 Resolved pathname. 9
8.8 Files. 9
8.8.1 Attributes of a file . 10
8.8.2 Data space of a file . 10
8.8.3 Streams of a File . 11
8.9 Record structure. 11
8.10 Information Control Block (ICB). 11
8.10.1 ICB hierarchy . 12
9 Additional File Data . 12
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9.1 Extended attributes .12
9.2 Stream Directory.14
10 Partition space management.14
10.1 Space sets .14
11 Partition integrity .15
12 Allocation descriptors.15
12.1 Description of Files.16
13 Recording of descriptors .16
14 File Data Structures.16
14.1 File Set Descriptor .16
14.1.1 Descriptor Tag (BP 0) .17
14.1.2 Recording Date and Time (BP 16) .17
14.1.3 Interchange Level (BP 28).17
14.1.4 Maximum Interchange Level (BP 30) .17
14.1.5 Character Set List (BP 32).17
14.1.6 Maximum Character Set List (BP 36) .17
14.1.7 File Set Number (BP 40) .18
14.1.8 File Set Descriptor Number (BP 44) .18
14.1.9 Logical Volume Identifier Character Set (BP 48) .18
14.1.10 Logical Volume Identifier (BP 112).18
14.1.11 File Set Character Set (BP 240) .18
14.1.12 File Set Identifier (BP 304).18
14.1.13 Copyright File Identifier (BP 336) .18
14.1.14 Abstract File Identifier (BP 368) .18
14.1.15 Root Directory ICB (BP 400) .19
14.1.16 Domain Identifier (BP 416) .19
14.1.17 Next Extent (BP 448).19
14.1.18 System Stream Directory (BP 464).19
14.1.19 Reserved (BP 480) .19
14.2 Terminating Descriptor .19
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© ISO/IEC ISO/IEC 13346-4:1999(E)
14.2.1 Descriptor Tag (BP 0). 19
14.2.2 Reserved (BP 16) . 19
14.3 Partition Header Descriptor.
...