D-Link DNS-1550-04 Product Manual - Page 45

Settings, Check Table, Locate, Delete, Confirm

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 WWN - World Wide Number, a unique identifier assigned to this logical drive  Codec Scheme - Pertains to some RAID levels  Serial Number - Assigned to this logical drive  ALUA Access State For Ctrl1  ALUA Access State For Ctrl2  LDType - Displays the LD type of the logical drive. − Settings - Select to change or delete the alias in the Alias field. Also, you can configure the Read Policy (ReadCache, ReadAhead, or NoCache) and Write Policy (WriteThru or WriteBack). When done, click the Save button. − Check Table - Displays the error tables. Use this information to evaluate the integrity of the logical drive and to determine whether corrective action is needed. Choose an option:  All - All errors. The default choice.  Read Check - Read errors for this logical drive.  Write Check - Write errors for this logical drive.  Inconsistent Block - Inconsistent blocks for this logical drive. Mirror data for RAID Levels 1, 1E and 10 or Parity data for RAID Levels 5, 6, 50, and 60. Identified by the Redundancy Check. The Check Table lists:  Entry Number - A number assigned to each block of entry.  Table Type - Read Check, Write Check or Inconsistent Block.  Starting Logical Block Address - LBA of the first block for this entry.  Count - Number of errors or continuous blocks starting from this LBA. − Locate - This feature causes the drive carrier's LED to blink for one minute to assist you in locating the physical drives that make up this disk array. − Delete - Select and click the Confirm button to delete a logical. 45

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45
WWN – World Wide Number, a unique identifier assigned
to this logical drive
Codec Scheme – Pertains to some RAID levels
Serial Number – Assigned to this logical drive
ALUA Access State For Ctrl1
ALUA Access State For Ctrl2
LDType – Displays the LD type of the logical drive.
−
Settings
– Select to change or delete the alias in the Alias
field. Also, you can configure the Read Policy (ReadCache,
ReadAhead, or NoCache) and Write Policy (WriteThru or
WriteBack). When done, click the
Save
button.
−
Check Table
– Displays the error tables. Use this information
to evaluate the integrity of the logical drive and to determine
whether corrective action is needed.
All – All errors. The default choice.
Choose an option:
Read Check – Read errors for this logical drive.
Write Check – Write errors for this logical drive.
Inconsistent Block – Inconsistent blocks for this logical
drive. Mirror data for RAID Levels 1, 1E and 10 or Parity
data for RAID Levels 5, 6, 50, and 60. Identified by the
Redundancy Check.
Entry Number – A number assigned to each block of entry.
The Check Table lists:
Table Type – Read Check, Write Check or Inconsistent
Block.
Starting Logical Block Address – LBA of the first block for
this entry.
Count – Number of errors or continuous blocks starting from
this LBA.
−
Locate
– This feature causes the drive carrier’s LED to blink
for one minute to assist you in locating the physical drives that
make up this disk array.
−
Delete
– Select and click the
Confirm
button to delete a
logical.