Patent ID: 9697167
Date: 2017-07-04
CPC Classifications: G06F

Claim:
1. A method for implementing health check for optical cable attached Peripheral Component Interconnect Express (PCIE) enclosures in a computer system, comprising: providing system firmware for implementing health check functions; providing one or more optical cables connecting between a host bridge and an PCIE enclosure; resetting a PCIE link to the PCIE enclosure responsive to identifying a predefined event; responsive to resetting the PCIE link, providing a set delay and performing a link health check for verifying PCIE link width and speed, said health check includes performing PCIE link recovery, correcting any correctable errors, repairing the PCIE link and resetting the PCIE link connection, checking for an operable the PCIE link, responsive to the PCIE link being operable, restarting the health check after the set delay; and responsive to the PCIE link not being operable, generating error code to provide single failure to a customer.