Warnings

Warnings are an indication of a non-fatal error. Typically retry logic takes care of the problem. Warning messages are prefaced at the console with the keyword WARNING.

timeout Warning

This command is retried and normal operations continue. Sometimes the timeout may be accompanied by a loop reset (see OFFLINE/ONLINE sequences).These events are normal and are no cause for alarm unless they occur at a rate greater than five times per 24 hours. No data is lost or corrupted and commands are completed on subsequent retry.

Fibre Channel Loops are specified to have a bit error rate (BER) less than 10E-12. Actual BER is better than 10E-13 and may be as clean as 10E-15.However, you can occasionally experience a bit error that results in a corrupted frame. As corrupted frames are discarded, the end result will be a command that fails to complete and which eventually gets timed out by the ssd driver. A warning indicating a command timeout is generated to the console.

trans_err Warning

Some warnings that indicate transport errors due to the link being temporarily unavailable during a loop re-initialization can be expected. For example, there may be several of these accompanying an OFFLINE/ONLINE sequence. These commands are retried after the loop is re-initialized.