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When you run the # ls -l /vmfs/volumes/command, one or more of the datastore names appear in red text. For example: # ls -l /vmfs/volumes/ drwxr-xr-t 1 root root 1260 Apr 19 01:38 4b97a503-e51cb1f8-32e8-00505603006d lrwxr-xr-x 1 root root 35 Jun 11 03:35 Storage1 -> 4b97a503-e51cb1f8-32e8-00505603006d
A datastore's name (for example, Storage1) is a symbolic link to the UUID datastore name (for example, 4b97a503-e51cb1f8-32e8-00505603006d) . This issue occurs if a symbolic link is broken. The symbolic link can be broken if: The UUID of the datastore has changed. For more information, see: vSphere handling of LUNs detected as snapshot LUNs (1011387) Snapshot LUN detection in ESX and ESXi (1011385) The datastore is not removed correctly. That is, if the destination datastore is no longer there but the link is. The datastore failed to mount or is temporarily unavailable. Try to rescan, and check the vmkernel log for issues. For more information, see Location of ESX log files (1021800). Note: This issue can indicate that a datastore is missing. If you are not missing a datastore, you can remove the symbolic link with the command # rm link_to_destination. Removing a symbolic link has no effect on the destination of the link.
Snapshot LUN detection in ESX and ESXivSphere handling of LUNs detected as snapshot LUNs
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