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Full Discussion: odd entry in /etc/fstab
Top Forums UNIX for Dummies Questions & Answers odd entry in /etc/fstab Post 302274959 by Annihilannic on Thursday 8th of January 2009 06:21:12 PM
Old 01-08-2009
swlist VRTSvxfs will tell you what version you're using.

I think I know what's going on here. If you run the mount -p command to display the mounted filesystems in fstab format, you will probably see a dev= option for every device. I suspect another admin has simply copied and pasted those mount options into fstab at some point; but I imagine the dev= option is meaningless in there as it would be dynamically set to the device number of the device that is mounted.

In other words, don't put it in /etc/fstab.
 

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FSTAB(5)							File Formats Manual							  FSTAB(5)

NAME
fstab, mtab - list of file systems to mount, mounted file system table. SYNOPSIS
/etc/fstab /etc/mtab DESCRIPTION
/etc/fstab is a table of file system to mount at boot time, /etc/mtab is a table of currently mounted file systems as maintained by mount and umount. /etc/fstab is not read by mount as it should be. It is instead a simple shell script listing the three devices that Minix needs to oper- ate: The device names of the root file system, the temporary (scratch) file system, and the file system for /usr. Of these only the /usr file system is mounted in /etc/rc, the scratch file system is there for the system administrator to test new kernels, or as a temporary file system. /etc/mtab contains lines of four fields. The layout is: device directory type options These fields may be explained as follows: device A block special device. directory Mount point. type Either 1, or 2, indicating a V1 or V2 file system. options Either ro, or rw, indicating a read-only or read-write mounted file system. FILES
/etc/fstab Shell script naming three important file systems. /etc/mtab List of mounted file systems. SEE ALSO
printroot(8), mount(1), fsck(1), mkfs(1). BUGS
/etc/fstab is a joke. AUTHOR
Kees J. Bot (kjb@cs.vu.nl) FSTAB(5)
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