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servers(5) - servers - map server names to numbers - man 5 servers

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servers(5)                                                          servers(5)



NAME
       servers - map server names to numbers





DESCRIPTION
       Each  file(1,n) server has a file(1,n), /vice/db/servers, which maps server names
       to numbers.  The server numbers are 8 bit numbers so a maximum  of  256
       servers  can  be supported.  Once a server number has been assigned, it
       may not be reused.  You should not reassign a server a new  id  without
       initializing the server.

       The  server  numbers  are  used  in(1,8)  too many places, probably the most
       important is in(1,8) the creation of volumes.  The server creating a  volume
       uses  its server number as the first byte of the four-byte volume iden-
       tification number in(1,8) order to ensure uniqueness.

       NOTE: Replicated volume numbers must also be unique, so we reserve part
       of  the range, 0-127 (0-7F hex), for this purpose.  Real server numbers
       must not be allocated from the other subrange, and vice-versa.

       The  format   of   the   file(1,n)   is   the   full   server   name   (e.g.
       mahler.coda.cs.cmu.edu)  followed by a tab and then the servers number.
       Any line beginning with a "\#" is considered a comment and is  ignored.
       The following is an example servers file:


       MAHLER.CODA.CS.CMU.EDU          201
       GRIEG.CODA.CS.CMU.EDU           204
       HAYDN.CODA.CS.CMU.EDU           205
       WAGNER.CODA.CS.CMU.EDU          206
       DEBUSSY.CODA.CS.CMU.EDU         212
       SCARLATTI.CODA.CS.CMU.EDU       214
       ROSSINI.CODA.CS.CMU.EDU         215
       PUCCINI.CODA.CS.CMU.EDU         216
       GERSHWIN.CODA.CS.CMU.EDU        218
       SCHUMANN.CODA.CS.CMU.EDU        219






FILES
       /vice/db/servers



BUGS
       The  server  numbers and replicated volume prefixes are pulled from the
       same number space.  Separation is enforced only by convention.

       This file(1,n) and /vice/db/hosts should be combined.



SEE ALSO
       vrdb (5), vsgdb (5), maxgroupid (5), hosts (5)




AUTHOR
       Maria R. Ebling, 1990, Created





                                                                    servers(5)

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