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A shared disk system is required for each cluster if you want data to be highly available. If a shared disk subsystem is used, ensure the following:
The NetWare Cluster Services installation automatically allocates one cylinder on one drive of the shared disk system for the special cluster partition. If the drive where the cluster partition is to be created on the shared disk system is larger than 10 GB, you may need more than 10 MB of free space.
Prior to installation, verify that all the drives in your shared disk system are recognized by NetWare by running the List Devices command on each server you intend to add to your cluster. If any of the drives in the shared disk system do not show up in the list, consult your NetWare 5 documentation or the shared disk system documentation for troubleshooting information.
WARNING: If the disks in the shared disk system are not configured to use mirroring or RAID 5, a single disk error can cause a volume failure. NetWare Cluster Services software will not protect against such faults.
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