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sysid

Section: AFS File Reference (5)
Updated: OpenAFS
Index 

NAME

sysid - Lists file server machine interface addresses registered in VLDB 

DESCRIPTION

The sysid file records the network interface addresses that the FileServer (fileserver process) registers in the Volume Location Database(VLDB) for the local file server machine.

Each time the File Server restarts, it builds a list of interfaces on thelocal machine by reading the /usr/afs/local/NetInfo file, if itexists. If the file does not exist, the File Server uses the list ofnetwork interfaces configured with the operating system. It then removesfrom the list any addresses that appear in the/usr/afs/local/NetRestrict file, if it exists. The File Server recordsthe resulting list in the binary-format sysid file and registers theinterfaces in the VLDB.

When the Cache Manager requests volume location information, the VolumeLocation (VL) Server provides all of the interfaces registered for eachserver machine that houses the volume. This enables the Cache Manager tomake use of multiple addresses when accessing AFS data stored on amultihomed file server machine. 

CAUTIONS

The sysid file is unique to each file server machine, and must not becopied from one machine to another. If it is a common practice in the cellto copy the contents of the /usr/afs/local directory from an existingfile server machine to a newly installed one, be sure to remove thesysid file from the new machine before starting the fs trio ofprocesses, which includes the fileserver process.

Some versions of AFS limit how many of a file server machine's interfaceaddresses that can be registered. Consult the IBM AFS Release Notes. 

SEE ALSO

the NetInfo(5) manpage,the NetRestrict(5) manpage,the vldb.DB0(5) manpage,the fileserver(8) manpage 

COPYRIGHT

IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.

This documentation is covered by the IBM Public License Version 1.0. It wasconverted from HTML to POD by software written by Chas Williams and RussAllbery, based on work by Alf Wachsmann and Elizabeth Cassell.


 

Index

NAME
DESCRIPTION
CAUTIONS
SEE ALSO
COPYRIGHT

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