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FIXMOUNT(8) System Manager's Manual FIXMOUNT(8) NAME fixmount - fix remote mount entries SYNOPSIS fixmount [ -adervq ] [ -h name ] host ... DESCRIPTION fixmount is a variant of showmount(8) that can delete bogus mount en- tries in remote mountd(8) daemons. The actions specified by the op- tions are performed for each host in turn. OPTIONS -a -d -e These options work as in showmount(8) except that only entries pertaining to the local host are printed. -r Removes those remote mount entries on host that do not corre- spond to current mounts, i.e., which are left-over from a crash or are the result of improper mount protocol. The actuality of mounts is verified using the entries in /etc/mtab. -v Verify remote mounts. Similar to -r except that only a notifi- cation message is printed for each bogus entry found. The re- mote mount table is not changed. -A Issues a command to the remote mountd declaring that ALL of its filesystems have been unmounted. This should be used with cau- tion, as it removes all remote mount entries pertaining to the local system, whether or not any filesystems are still mounted locally. -q Be quiet. Suppresses error messages due to timeouts and "Pro- gram not registered", i.e., due to remote hosts not supporting RPC or not running mountd. -h name Pretend the local hostname is name. This is useful after the local hostname has been changed and rmtab entries using the old name remain on a remote machine. Unfortunately, most mountd's won't be able to successfully handle removal of such entries, so this option is useful in combination with -v only. This option also saves time as comparisons of remotely recorded and local hostnames by address are avoided. FILES /etc/mtab List of current mounts. /etc/rmtab Backup file for remote mount entries on NFS server. SEE ALSO showmount(8), mtab(5), rmtab(5), mountd(8C). ``am-utils'' info(1) entry. Linux NFS and Automounter Administration by Erez Zadok, ISBN 0-7821-2739-8, (Sybex, 2001). http://www.am-utils.org Amd - The 4.4 BSD Automounter BUGS No attempt is made to verify the information in /etc/mtab itself. Since swap file mounts are not recorded in /etc/mtab, a heuristic spe- cific to SunOS is used to determine whether such a mount is actual (re- placing the string "swap" with "root" and verifying the resulting path). Symbolic links on the server will cause the path in the remote entry to differ from the one in /etc/mtab. To catch those cases, a filesystem is also deemed mounted if its local mount point is identical to the re- mote entry. I.e., on a SunOS diskless client, server:/ex- port/share/sunos.4.1.1 is actually /usr/share. Since the local mount point is /usr/share as well this will be handled correctly. There is no way to clear a stale entry in a remote mountd after the lo- cal hostname (or whatever reverse name resolution returns for it) has been changed. To take care of these cases, the remote /etc/rmtab file has to be edited and mountd restarted. The RPC timeouts for mountd calls can only be changed by recompiling. The defaults are 2 seconds for client handle creation and 5 seconds for RPC calls. AUTHORS Andreas Stolcke <stolcke@icsi.berkeley.edu>. Erez Zadok <ezk@cs.sunysb.edu>, Computer Science Department, Stony Brook University, Stony Brook, New York, USA. Other authors and contributors to am-utils are listed in the AUTHORS file distributed with am-utils. 26 Feb 1993 FIXMOUNT(8)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SEE ALSO | BUGS | AUTHORS
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