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What is the most probably cause for the large read pending at the host?

A four-way cluster is attached to two fabrics. Each member has two HBAs connected to each fabric. Each fabric has two subsystem connections. Each cluster member is a primary for one application. All LUNs appear on all storage ports with workload equally distributed across all. Each host has two dedicated HBAs for tape that can each see four independent LTO II (35MB/s) tape drives. All files are large and involve sequential I/O. Performance reporting shows a large read pending at the host during multi-threaded backup. What is the most probably cause for the large read pending at the host?

How many KVM (keyboard/video/mouse) cable sets are needed to connect the servers to the KVM (keyboard/video/mo

Three file servers, an unmanaged switch, an unmanaged UPS (Uninterruptible Power Supply), one KVM (keyboard/video/mouse) switch, one keyboard, one monitor, and one mouse are installed in a server rack.

How many KVM (keyboard/video/mouse) cable sets are needed to connect the servers to the KVM (keyboard/video/mouse) switch?