IBM ServeRAID-4 Ultra160 Series, User Reference

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– When this option is set to On, the ServeRAID controller chooses the recovery
method when a startup error occurs. For example, if there are 30 seconds of
without user activity and a startup error occurs, the controller chooses the
recovery method.
v
ReadAhead shows the current state of the read-ahead cache mode.
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CompMode shows the current BIOS compatibility mode. Off indicates 8 gigabyte
(GB) Extended; On indicates 2 gigabyte (GB) Limited.
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Clustered shows the current state for clustering.
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BBC shows the cache size of the battery-backup write cache, if it is installed (8 =
8 MB or 32 = 32 MB) or No if there is no battery-backup write cache installed.
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Boot Blk shows the version number of the startable microcode (or firmware)
loaded for the ServeRAID controller.
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Code Blk shows the current version number of the microcode (or firmware)
loaded for the ServeRAID controller.
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Rebuild Rate shows the current speed setting for rebuilds: High, Medium, or
Low.
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Number of Defunct drives shows the current number of defunct physical drives.
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Number of Offline drives shows the current number of offline logical drives.
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Number of Critical drives shows the current number of critical logical drives.
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Config Updates shows the number of times that the configuration has been
changed since it has been initialized. When you initialize the configuration, the
Config Update resets to zero.
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Bad Stripe, Locked Stripe, or Blocked Drive identifies the logical drives that
are affected.
– Bad Stripe Drives indicates logical drives that have inaccessible areas.
– Locked Stripe Drives is a reserved field.
– Blocked Drives indicates the logical drives that are blocked. You must
unblock a blocked drive before you can use it. See “Logical drive-state
descriptions” on page 25 for more information.
Viewing the configuration
You can select View Configuration from the Main Menu to display the number of
each logical drive, and to display the size, RAID level, state, stripe-unit size, write
policy, read-ahead status, and creation date for each logical drive.
Using the advanced configuration functions
You can select the Advanced Functions to restore the controller configuration to
factory default settings, copy the configuration to the controller from the connected
physical drives, configure BIOS settings, and view the controller and PCI
information.
When you select the Advanced Functions from the Main Menu, the following
choices are displayed.
Attention: Be careful when making selections from this menu. If you change the
configuration, you might lose data.
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Restore to Factory Default Settings is used to reset the configuration. When
you reset the configuration, you will not have access to any data stored on the
logical drives attached to the selected ServeRAID controller.
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IBM
®
User’s Reference: ServeRAID
™
-4 Ultra160 SCSI Controller