User's Manual

HP StorageWorks File System Extender Software user guide 119
The status of the medium can be one of the following:
Additionally, if FSE detects errors on a medium, the medium status is set to one of the following:
After you have checked the medium and determined its current condition:
• If it is corrupted, remove it.
• If the error was fixed, mark the medium as fully available. For details, see ”Putting an FSE medium back
into use” on page 120.
Checking the status of a particular medium
Once you know the medium barcode, you can narrow your search and view the status of the selected
medium volume by using the --list option, followed by the medium barcode and the --volume
option.
As shown in the example below, the output is the following:
• medium barcode
• volume
• volume type
• size
• available space in GB
• usage in percentage
• medium volume status
If the status is closed, medium volumes are full and Fast Recovery Information is already written on the
medium. If the status is open, medium volumes are not full yet and Fast Recovery Information is stored on
disk only.
Example output of the fsemedium --list --volume command
Changing the condition status of media
The Resource Management Database recognizes three kinds of statuses which address a medium
condition: “good” (any of the statuses in which the medium is usable), unreliable, and unusable. Typically,
the latter two are used whenever FSE detects errors on a medium. Such a medium is then automatically
marked appropriately as either unreliable or unusable.
The FSE implementation provides an option to use the medium status for preventing further use of specified
media without having to put them off-site, and then to change their status back to be fully available.
uninitialized The medium must be initialized before it can be used.
free The medium has been initialized, but no user data is stored on it
yet.
in use The medium is currently in use.
open Medium volumes are not full yet and Fast Recovery Information
is stored on disk only
full Medium volumes are full and Fast Recovery Information is
already written on the medium.
unreliable The medium is considered for recall only.
unusable The medium is not considered for any read/write operation.
fsemedium --list 000045 --volume
Barcode VolNum Type Size[MB] Avail[MB] Used[%] Status
000045 1 system 1138 1126 1 open
000045 2 data 1138 0 95 full
000045 3 data 48172 42391 12 open