Configuration Tips for the PC Server 3518
Configuration Tips for the PC Server 3518
- Before you install an additional backplane, be sure to set its jumpers.
You must set the jumper that designates the backplane bank as D or E.
You also can change the SCSI-ID jumper from its default setting for low addressing (0, 1, 2, 3, 4, 5) to high addressing (8, 9, 10, 11, 12, 13) or to reverse
addressing (5, 4, 3, 2, 1, 0).
- If you want to daisy chain two backplanes together and install slim-line drives in both banks (C and D),
you must set the SCSI-ID jumper of the backplane in Bank D for high addressing (8 to 13).
If you want to daisy chain two backplanes together and install half-high drives in both banks (C and D), you
must set the SCSI-ID jumper of the backplane in Bank D to reverse addressing (5, 3, 1), or to high
addressing (8, 10, 12).
This will help prevent SCSI address conflicts.
- You must use the Fast/Wide Enhanced Repeater (card part number 07L8392) provided in option Part Number 94G7585.
The older model SCSI repeater (option Part Number 94G5565) is not supported in cluster configurations.
- Before you install an Enhanced SCSI Repeater, be sure to review the documentation provided with the
repeater and verify that its jumpers are set properly for your specific configuration.
- Each ServeRAID adapter supports up to eight logical drives.
If a failure occurs, the remaining ServeRAID adapter will need to support its own logical drives and the logical drives of its counterpart
in the failing server.
Therefore, the total number of shared logical drives for each set of ServeRAID adapters must not exceed eight.
A good way to ensure that you do not exceed this limit would be to define no more than four logical drives for each ServeRAID adapter.
- With the ServeRAID II adapter, you can set the stripe-unit size to 8 K (the default), 16 K, 32 K, or 64 K.
After you set a stripe-unit size and store data on the logical drives, you cannot change the size
without destroying data in the logical drives. Both adapters in a pair must use the same stripe-unit size.
- When the stripe-unit size is set to 8 K or 16 K, the maximum number of physical hard disk drives in an array is 16.
- When the stripe-unit size is set to 32 K or 64 K, the maximum number of physical hard disk drives in an array is eight.
- When using the Vinca High Availability for NetWare program, refer to the NetWare documentation for
information about calculating the amount of system memory needed to support the number and
capacity of hard disk drives you intend to install.
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