Table 6: Driver for Linux, LPFC Static Parameters (Requires a driver reload to change) (Continued)
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Variable | Default | Min | Max | Comments | using |
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| sysfs |
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lpfc_discovery_threads | 32 | 1 | 64 | Specifies the maximum number of | No |
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| ELS commands that can be |
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| outstanding for a discovery. |
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| Note: The discovery_threads |
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| parameter will default to a value of |
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| 64 for private loop topologies |
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| regardless of the configured value. |
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| If there are multiple ports |
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| configured on the host the value of |
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| 64 will only be used for those ports |
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| that are connected in a private |
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| loop topology. The configured |
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| value will be used for all other |
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| ports. |
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| Note: On the VMware ESX Server |
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| only, range is 30 - 64. The default |
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| is erroneously set to 1. Set this |
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| parameter to a valid value. If you |
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| do not, when you change any |
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| parameter value, the following |
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| error message may be displayed: |
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| “Driver Parameter ‘discovery- |
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| threads’ is not within the allowed |
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| range” |
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lpfc_fcp_class | 3 | 2 | 3 | FC class for FCP data | Yes |
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| transmission. |
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lpfc_link_speed | 0 | 0=auto select | Sets link speed. | Yes | |
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| 1=1G |
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| 2=2G |
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| 4=4G |
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| 8=8G |
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lpfc_hba_queue_depth* | 8192 | 32 | 8192 | Maximum number of FCP | Yes |
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| commands that can queue to an |
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| Emulex HBA. |
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lpfc_lun_queue_depth | 30 | 1 | 128 | Default max commands sent to a | Yes |
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| single logical unit (disk). |
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lpfc_topology | 0 | 0x0=loop |
| FC link topology (defaults to loop, | Yes |
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| then P2P |
| if it fails attempts |
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| 0x2=P2P only | mode). |
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| 0x4=loop only |
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| 0x6=P2P |
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| then loop |
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The HBAnyware Utility User Manual | Page 86 |
