4.3BSD-UWisc/man/cat5/rmtab.5

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RMTAB(5)            UNIX Programmer's Manual             RMTAB(5)



NAME
     rmtab - remotely mounted file system table

DESCRIPTION
     _R_m_t_a_b resides in directory /_e_t_c and contains a record of all
     clients that have done remote mounts of file systems from
     this machine.  Whenever a remote _m_o_u_n_t is done, an entry is
     made in the _r_m_t_a_b file of the machine serving up that file
     system.  _U_m_o_u_n_t removes entries, if of a remotely mounted
     file system.  _U_m_o_u_n_t -_a broadcasts to all servers, and
     informs them that they should remove all entries from _r_m_t_a_b
     created by the sender of the broadcast message.  By placing
     a _u_m_o_u_n_t -_a command in /_e_t_c/_r_c._b_o_o_t, _r_m_t_a_b tables can be
     purged of entries made by a crashed host, which upon reboot-
     ing did not remount the same file systems it had before.
     The table is a series of lines of the form

           hostname:directory

     This table is used only to preserve information between
     crashes, and is read only by _m_o_u_n_t_d(8) when it starts up.
     _M_o_u_n_t_d keeps an in-core table, which it uses to handle
     requests from programs like _s_h_o_w_m_o_u_n_t(1) and _s_h_u_t_d_o_w_n(8).

FILES
     /etc/rmtab

SEE ALSO
     showmount(1), mountd(8), mount(8), umount(8), shutdown(8)

BUGS
     Although the _r_m_t_a_b table is close to the truth, it is not
     always 100% accurate.






















Printed 12/27/86         1 February 1985                        1