Operating Systems AIX AIX lsvg strange LV STATE and MOUNT POINT Post 303040566 by cokedude on Thursday 31st of October 2019 07:46:14 PM
AIX lsvg strange LV STATE and MOUNT POINT

What does it mean when your LV STATE changes to closed/syncd? What does it mean when your mount point is #? I was not able to mount it or write data to it. So in this case since there was no data in /opt/cvt I used rmlv to get rid of it. Why did I have to manually edit /etc/filesystems to get rid of that data?

lsvg -l rootvg | grep fslv
fslv00              jfs2       32      32      1    closed/syncd  #

grep -ip "/opt/cvt" /etc/filesystems
        dev             = /dev/fslv00
        vfs             = jfs2
        log             = /dev/hd8
        mount           = true
        account         = false

What does it mean when your mount point is #? In this case it was open so I am still able to write data to it and it mounted in the correct place.

lsvg -l rootvg | grep ap1003
ap1003              jfs2       8       8       1    open/syncd    #

grep -ip "ap1003" /etc/filesystems
        dev             = /dev/ap1003
        vfs             = jfs2
        log             = /dev/hd8
        mount           = true
        account         = false

Test Your Knowledge in Computers #20
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MOUNT_FDESC(8)						    BSD System Manager's Manual 					    MOUNT_FDESC(8)

mount_fdesc -- mount the file-descriptor file system SYNOPSIS
mount_fdesc [-o options] fdesc mount_point DESCRIPTION
The mount_fdesc command attaches an instance of the per-process file descriptor namespace to the global filesystem namespace. The conven- tional mount point is /dev and the filesystem should be union mounted in order to augment, rather than replace, the existing entries in /dev. This command is normally executed by mount(8) at boot time. The options are as follows: -o Options are specified with a -o flag followed by a comma separated string of options. See the mount(8) man page for possible options and their meanings. The contents of the mount point are fd, stderr, stdin, stdout and tty. fd is a directory whose contents appear as a list of numbered files which correspond to the open files of the process reading the directory. The files /dev/fd/0 through /dev/fd/# refer to file descriptors which can be accessed through the file system. If the file descriptor is open and the mode the file is being opened with is a subset of the mode of the existing descriptor, the call: fd = open("/dev/fd/0", mode); and the call: fd = fcntl(0, F_DUPFD, 0); are equivalent. The files /dev/stdin, /dev/stdout and /dev/stderr appear as symlinks to the relevant entry in the /dev/fd sub-directory. Opening them is equivalent to the following calls: fd = fcntl(STDIN_FILENO, F_DUPFD, 0); fd = fcntl(STDOUT_FILENO, F_DUPFD, 0); fd = fcntl(STDERR_FILENO, F_DUPFD, 0); Flags to the open(2) call other than O_RDONLY, O_WRONLY and O_RDWR are ignored. The /dev/tty entry is an indirect reference to the current process's controlling terminal. It appears as a named pipe (FIFO) but behaves in exactly the same way as the real controlling terminal device. FILES
/dev/fd/# /dev/stdin /dev/stdout /dev/stderr /dev/tty SEE ALSO
mount(2), unmount(2), tty(4), fstab(5), mount(8) CAVEATS
No ~. and .. entries appear when listing the contents of the /dev/fd directory. This makes sense in the context of this filesystem, but is inconsistent with usual filesystem conventions. However, it is still possible to refer to both ~. and .. in a pathname. This filesystem may not be NFS-exported. HISTORY
The mount_fdesc utility first appeared in 4.4BSD. 4.4BSD March 27, 1994 4.4BSD

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