01-24-2017
@Don.....I agree that this is a mess. What puzzles me is that the 'df -k' only shows one mounted filesystem. No sign of the root filesystem!
I also jumped to the conclusion, perhaps incorrectly, that /opt/mix being empty was due to that filesystem failing to mount. There's nothing under the mount point (or shouldn't be) until the filesystem is mounted under it.
I reckon that the 'df -k' is telling lies. The root filesystem has to be mounted otherwise the system wouldn't be up.
Perhaps the root filesystem is full to the extent that the system only just boots and can't mount any non-root filesystems.
What do you think?
---------- Post updated at 10:42 AM ---------- Previous update was at 10:35 AM ----------
I think we need more info here. Is that really the only output from 'df -k' or has it been edited? What files are visible on the root filesystem? Is there anything in Lost+Found on root?
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LEARN ABOUT MOJAVE
xfs_freeze
xfs_freeze(8) System Manager's Manual xfs_freeze(8)
NAME
xfs_freeze - suspend access to an XFS filesystem
SYNOPSIS
xfs_freeze -f | -u mount-point
DESCRIPTION
xfs_freeze suspends and resumes access to an XFS filesystem (see xfs(5)).
xfs_freeze halts new access to the filesystem and creates a stable image on disk. xfs_freeze is intended to be used with volume managers
and hardware RAID devices that support the creation of snapshots.
The mount-point argument is the pathname of the directory where the filesystem is mounted. The filesystem must be mounted to be frozen
(see mount(8)).
The -f flag requests the specified XFS filesystem to be frozen from new modifications. When this is selected, all ongoing transactions in
the filesystem are allowed to complete, new write system calls are halted, other calls which modify the filesystem are halted, and all
dirty data, metadata, and log information are written to disk. Any process attempting to write to the frozen filesystem will block waiting
for the filesystem to be unfrozen.
Note that even after freezing, the on-disk filesystem can contain information on files that are still in the process of unlinking. These
files will not be unlinked until the filesystem is unfrozen or a clean mount of the snapshot is complete.
The -u flag is used to un-freeze the filesystem and allow operations to continue. Any filesystem modifications that were blocked by the
freeze are unblocked and allowed to complete.
One of -f or -u must be supplied to xfs_freeze.
NOTES
A copy of a frozen XFS filesystem will usually have the same universally unique identifier (UUID) as the original, and thus may be pre-
vented from being mounted. The XFS nouuid mount option can be used to circumvent this issue.
In Linux kernel version 2.6.29, the interface which XFS uses to freeze and unfreeze was elevated to the VFS, so that this tool can now be
used on many other Linux filesystems.
SEE ALSO
xfs(5), lvm(8), mount(8).
xfs_freeze(8)