Scalla: Extended Features Supplement

Open File System & Open Storage System

Configuration Reference

xrootd: ofs/oss

Andrew Hanushevsky

Stanford Linear Accelerator Center

17 January 2007

Scalla: Structured Cluster Architecture for Low Latency Access

©2003-2007 by the Board of Trustees of the Leland Stanford, Jr., University

All Rights Reserved

Produced under contract DE-AC03-76-SFO0515 with the Department of Energy

This code is available under a BSD-style license allowing minimally restricted use.

1 Introduction. 5

1.1 Enabling The Mass Storage Interface. 7

2 Specifying Conditional Directives. 9

3 Common ofs Configuration Directives. 11

3.1 authorize. 11

4 Esoteric ofs Configuration Directives. 13

4.1 authlib. 13

4.2 fdscan. 14

4.3 forward. 17

4.4 maxdelay. 19

4.5 notify. 21

4.5.1 Event Notification Messages. 22

4.6 osslib. 24

4.7 trace. 25

5 Deprecated ofs Configuration Directives. 27

5.1 fdnoshare. 27

5.2 locktry. 28

5.3 redirect 29

5.4 validpath. 31

6 Common oss Configuration Directives. 33

6.1 alloc. 33

6.2 cache. 35

6.3 defaults. 37

6.4 localroot 42

6.5 maxsize. 43

6.6 memfile. 45

6.7 mssgwcmd. 47

6.8 path. 49

6.9 remoteroot 52

6.10 stagecmd. 53

7 Esoteric oss Configuration Directives. 57

7.1 cachescan. 57

7.2 compdetect 58

7.3 fdlimit 59

7.4 namelib. 60

7.5 trace. 61

7.6 userprty. 62

7.7 xfr 63

8 Deprecated oss Configuration Directives. 65

9 Compressing Files. 67