Use the Unreadable Sectors Log View dialog to show a detailed list of all of the known unreadable sectors detected on the . This dialog lets you clear and save unreadable sectors.
Attention:
Possible loss of data – Any data in the Unreadable Sectors Log cannot be recovered and should be considered lost. Use this option only under the guidance of a representative.Information on unreadable sectors is maintained for both redundant (, , , and ) and non-redundant () logical drives. The Unreadable Sectors Log can store up to 1000 unreadable sectors. When the Unreadable Sectors Log reaches 1000 entries, the following conditions apply:
Note:
These actions include RAID Level 5 writes and RAID Level 6 writes that would have succeeded prior to the overflow.The Unreadable Sectors Log View dialog shows the most recent unreadable sector first. The Unreadable Sectors Log View dialog contains two different window panes.
The left pane contains the sortable fields that are shown in this table.
Field | Description |
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Logical Drive | Shows the label of the logical drive. If a contains unreadable sectors, the appears for the missing logical drive. |
Shows the LUN for the logical drive. If the logical drive does not have a LUN, the dialog shows NA. | |
Accessible By | Shows the or that have access to the logical drive. If the logical drive is not accessible by a host, host group, or even a , the dialog shows NA. |
The right pane contains the sortable fields that are shown in this table.
Field | Description |
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Date/Time | Shows the date and the time that the unreadable sector was detected. |
Logical Drive LBA | Shows the logical block address (LBA) of the logical drive. |
Disk Drive Location | Shows the expansion drawer and the slot location. |
Disk Drive LBA | Shows the LBA of the disk drive. |
Failure Type | Shows one of the following two failure types:
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You can clear all unreadable sectors in the storage subsystem, all unreadable sectors in a single logical drive, or all unreadable sectors in a group of (multi-selected) logical drives.
Note:
If more than one logical drive is selected, nothing appears in the right window pane.
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To clear all readable sectors, select at least one unreadable sector in the right window pane, and click Select All.You can save the contents of the Unreadable Sectors Log. All unreadable sectors are saved with a .txt file extension.
Note:
If more than one logical drive is selected, nothing appears in the right window pane.
Note:
To save all readable sectors, select at least one unreadable sector in the right window pane, and click Select All.The unreadable sector information is saved and contains the data listed in the fields that are shown in the Unreadable Sectors Log.