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B.1 SSA Loop Configurations that Are Not Valid
Note: This section is related to SRN 48000.
SRN 48000 shows that the SSA loop contains more devices or adapters than are allowed.
Each of the 2 pairs of SSA ports on a SSA RAID Adapter can attach up to 48 devices in a closed loop.
Only one SSA RAID Adapter adapter can be included in a loop.
If the SRN occurred when you turned on the server:
1. Turn off the server.
2. Review the configuration that you are trying to make, and determine why that configuration is not valid.
3. Correct your configuration by reconfiguring the SSA cables or by removing the excess devices or adapters from the loop.
4. Turn on the server.
If the SRN occurred because additional devices or adapters were added to a working SSA loop:
1. Remove the additional devices or adapters that are causing the problem, and put the loop back into its original working
configuration.
Note:
It is important that you do these actions
, because they enable the configuration code to reset itself from the effects of the
error.
2. Review the configuration that you are trying to make, and determine why that configuration is not valid.
3. Correct your configuration by reconfiguring the SSA cables or by removing the excess devices or adapters from the loop.
SSA RAID Adapter Installation and User's Guide.
SSA Loop Configurations that Are Not Valid
_ Copyright IBM Corp. 1996
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