HP ProLiant 4500 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator Gui - Page 110

Adding or Removing Shared Storage Drives, Replacing a Failed Drive

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Managing the Compaq ProLiant Clusters HA/F100 and HA/F200 5-7 Adding or Removing Shared Storage Drives There are two situations in which you might add or remove drives from the shared storage: NOTE: These procedures for adding or removing shared storage drives assume that you are making modifications to a previously configured HA/F100 or HA/F200. s When one of the drives fails. In this case, you are simply exchanging the failed drive for a new one. s When you want to add capacity to your RA4000. In both situations, it is assumed you are employing RAID 1, 4, or 5 for all of the devices in the storage unit. CAUTION: To add or remove drives from the RA4000, you must follow certain rules that are interpreted by reading the LEDs on the RA4000. Read the Compaq StorageWorks RAID Array User Guide to understand these rules. Failure to follow these rules may result in loss of data. Replacing a Failed Drive The procedure for replacing a failed drive is completed within the RA4000 storage system. Neither MSCS nor Windows NT is aware of the change, and operation of both continues without interruption. IMPORTANT: If the failed drive was not configured to use RAID 1, 4, or 5 (that is, your drives have no fault tolerance), you may lose some or all of the data on the failed drive. Refer to the Compaq StorageWorks RAID Array 4000 User Guide for instructions on replacing a failed drive. Adding Drives to Increase Storage Capacity The following steps describe how to add a drive to the Compaq RA4000 storage system and to allocate it to MSCS. NOTE: These procedures for adding drives to increase storage capacity assume that you are making modifications to a previously configured HA/F100 or HA/F200. The following method of adding shared storage assumes: s Service Pack 5 for Windows NT 4.0 is applied. s Compaq SmartStart CD 4.10 or later is used to apply system drivers.

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Managing the Compaq ProLiant Clusters HA/F100 and HA/F200
5-7
Adding or Removing Shared Storage Drives
There are two situations in which you might add or remove drives from the
shared storage:
NOTE:
These procedures for adding or removing shared storage drives assume that you
are making modifications to a previously configured HA/F100 or HA/F200.
■
When one of the drives fails. In this case, you are simply exchanging the
failed drive for a new one.
■
When you want to add capacity to your RA4000.
In both situations, it is assumed you are employing RAID 1, 4, or 5 for all of
the devices in the storage unit.
CAUTION:
To add or remove drives from the RA4000, you must follow certain
rules that are interpreted by reading the LEDs on the RA4000. Read the
Compaq
StorageWorks RAID Array User Guide
to understand these rules. Failure to follow
these rules may result in loss of data.
Replacing a Failed Drive
The procedure for replacing a failed drive is completed within the RA4000
storage system. Neither MSCS nor Windows NT is aware of the change, and
operation of both continues without interruption.
IMPORTANT:
If the failed drive was not configured to use RAID 1, 4, or 5 (that is, your
drives have no fault tolerance), you may lose some or all of the data on the failed drive.
Refer to the
Compaq StorageWorks
RAID Array 4000 User Guide
for
instructions on replacing a failed drive.
Adding Drives to Increase Storage Capacity
The following steps describe how to add a drive to the Compaq RA4000
storage system and to allocate it to MSCS.
NOTE:
These procedures for adding drives to increase storage capacity assume that you
are making modifications to a previously configured HA/F100 or HA/F200.
The following method of adding shared storage assumes:
■
Service Pack 5 for Windows NT 4.0 is applied.
■
Compaq SmartStart CD 4.10 or later is used to apply system drivers.