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Disk marked as Foreign or Bad?

Some times when you replace a disk you may find the new disk marked as “Foreign”. The “Foreign” state means the controller has detected a raid signature on this disk from a previous configuration. This will prevent you from using the disk before the foreign state is cleared out. In order to use the disk we […]

InfiniBand Types and Speeds

Since its release, InfiniBand has been made in 5 speeds and has used two types of connectors. FDR FDR InfiniBand provides a 56 Gbps second link. The data encoding for FDR is different from the other InfiniBand speeds: for every 66 bits transmitted 64 bit are data. This is cable 64b/66b encoding. This provides actual […]

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