HP 3PAR StoreServ 7400 2-node HP 3PAR Command Line Interface Reference (OS 3.1 - Page 454

showportlesb DESCRIPTION The showportlesb command displays Fibre Channel Link Error Status Block (LESB) counters (the number of errors accumulated for Fibre Channel devices). The LESB is composed of six counters that can measure Fibre Channel signal integrity or status. SYNTAX The syntax for the showportlesb command can include one of the following arguments: • showportlesb reset • showportlesb compare [all|] • showportlesb single|both • showportlesb hist [options ] • showportlesb diffhist [options ] AUTHORITY Any role in the system. SUBCOMMANDS reset Specifies that internal counters are checked against current LESB counters and event alerts and are raised as necessary. All ports for the internal counters are reset. compare Specifies that internal HP 3PAR counters are checked against current LESB counters. single|both The single subcommand specifies that counters for the indicated port are displayed. The both subcommand specifies that counters for both ports, if the device is dual ported, are displayed. hist Displays the history of LESB raw counters on the specified port of loop devices. diffhist Displays differences between historical samples of LESB counters on the specified port of loop devices. OPTIONS -startt Specifies that samples taken of LESB counters should commence after the indicated time (). Time can be specified in hours or as a specific date. When specifying the time in hours, the following formats can be used: • hh[:mm[:ss]], where hh is the hour, mm is the minute (optional), and ss is the second (optional). • hhmm, where hh is interpreted as a 24 hour clock. When specifying the time as a date, the following formats can be used: • mm/dd[/yy], where mm is the month, dd is the day, and yy is the year (optional). • monthname dd[,yy], where dd is the day and yy is the year (optional). 454 Show Commands