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en:services:storage_services:backup:tsm:admin:fc_stuff [2023/02/03 08:39] – [Rescaning the SCSI bus] bnachtw | en:services:storage_services:backup:tsm:admin:fc_stuff [2023/02/03 08:44] – [manual switch off/on of HBA] bnachtw | ||
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thanks to [[https:// | thanks to [[https:// | ||
+ | * To list available HBA ports, type: | ||
+ | < | ||
+ | # ls -l / | ||
+ | total 0 | ||
+ | lrwxrwxrwx. 1 root root 0 Jun 24 13:52 host28 -> ../ | ||
+ | lrwxrwxrwx. 1 root root 0 Jun 24 14:15 host29 -> ../ | ||
+ | </ | ||
+ | |||
+ | The '' | ||
+ | < | ||
+ | # lspci | grep Fibre | ||
+ | 81:00.0 Fibre Channel: QLogic Corp. ISP8324-based 16Gb Fibre Channel to PCI Express Adapter (rev 02) | ||
+ | 81:00.1 Fibre Channel: QLogic Corp. ISP8324-based 16Gb Fibre Channel to PCI Express Adapter (rev 02) | ||
+ | </ | ||
+ | |||
+ | The Fibre Channel (FC) HBA port access on RedHat can be temporarily disabled using the unbind string against the pci-device-id bus address. | ||
+ | |||
+ | Syntax: | ||
+ | |||
+ | < | ||
+ | # echo " | ||
+ | </ | ||
+ | |||
+ | To disconnect access for a specific PCI device (81:00:0), the sample syntax would be as follows: | ||
+ | |||
+ | < | ||
+ | # echo " | ||
+ | </ | ||
+ | |||
+ | To display the filename & associated WWN details for all FC HBA controllers: | ||
+ | < | ||
+ | # awk ' | ||
+ | / | ||
+ | / | ||
+ | </ | ||
+ | |||
+ | To display the filename & HBA port status: | ||
+ | < | ||
+ | # awk ' | ||
+ | / | ||
+ | / | ||
+ | </ |