Manual Reference Pages - SYSID (5)
sysid - Lists file server machine interface addresses registered in VLDB
The sysid file records the network interface addresses that the File
Server (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 the
local machine by reading the /var/openafs/NetInfo file, if it
exists. If the file does not exist, the File Server uses the list of
network interfaces configured with the operating system. It then removes
from the list any addresses that appear in the
/var/openafs/NetRestrict file, if it exists. The File Server records
the resulting list in the binary-format sysid file and registers the
interfaces in the VLDB.
When the Cache Manager requests volume location information, the Volume
Location (VL) Server provides all of the interfaces registered for each
server machine that houses the volume. This enables the Cache Manager to
make use of multiple addresses when accessing AFS data stored on a
multihomed file server machine.
The sysid file is unique to each file server machine, and must not be
copied from one machine to another. If it is a common practice in the cell
to copy the contents of the /var/openafs directory from an existing
file server machine to a newly installed one, be sure to remove the
sysid file from the new machine before starting the fs trio of
processes, which includes the fileserver process.
A maximum of 15 file server interface addresses can be registered in the
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|OpenAFS ||SYSID (5) ||2015-10-28 |
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