To Configure an Array

Caution - Before you reconfigure an existing array, note that any information you enter and save at this page overwrites the existing information for the array.

  1. Select the Configuration/Array selection tab.
  2. Select a storage array in the table and click Configure.
  3. You can also configure a Fibre Channel array settings from this page. See To Configure Fibre Channel Port Settings.

  4. Type a description of the array in the Description text field.
  5. The maximum number of characters allowed is 39.

  6. Select or enable the following:
  7. Note - You may need to click on the [More...>>] button in the Array Properties table to view more configuration options.

    • Segment Size
    • You can choose a LUN segment size of 4 Kbytes, 8 Kbytes, 16 Kbytes, 32 Kbytes, or 64 Kbytes. In a RAID-5 configuration, the segment size is the size of the data striped across volumes.

    • Read Ahead cache mode
    • Select On to enable it or select Off to disable it.

    • Disk Scrubbing (firmware Version 3.1 only)
    • Select enabled or disabled.

    • Disk Reconstruction Rate
    • Selecting high might impact system I/O performance; selecting low might increase system I/O performance.

    • Failover Mode
    • Select Explicit LUN Failover or Implicit LUN Failover.

    • Cache Mode
    • off - disable the cache mode.

      auto - use write-behind or write-through caching depending on I/O characteristics.

      writebehind - write all read and write operations to cache.

      writethrough - write data to cache and then to disk.

    • Number of Array Hot Spares (Firmware 3.1)
    • Select the number of available hotspare drives in the array.

  8. Click Save.