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What performance symptoms might we see due to excessive er_bad_os values%3F

  • 1.  What performance symptoms might we see due to excessive er_bad_os values%3F

    Posted 02-07-2014 10:40 AM

    Brocade 5100

    portstatsshow 0

    stat_wtx               2294114629  4-byte words transmitted

    stat_wrx               3319601444  4-byte words received

    stat_ftx               1593810037  Frames transmitted

    stat_frx               3027852357  Frames received

    stat_c2_frx            0           Class 2 frames received

    stat_c3_frx            3027852357  Class 3 frames received

    stat_lc_rx             0           Link control frames received

    stat_mc_rx             0           Multicast frames received

    stat_mc_to             0           Multicast timeouts

    stat_mc_tx             0           Multicast frames transmitted

    tim_rdy_pri            0           Time R_RDY high priority

    tim_txcrd_z            411228      Time TX Credit Zero (2.5Us ticks)

    tim_txcrd_z_vc  0- 3:  0           0           411228      0        

    tim_txcrd_z_vc  4- 7:  0           0           0           0        

    tim_txcrd_z_vc  8-11:  0           0           0           0        

    tim_txcrd_z_vc 12-15:  0           0           0           0        

    er_enc_in              0           Encoding errors inside of frames

    er_crc                 0           Frames with CRC errors

    er_trunc               0           Frames shorter than minimum

    er_toolong             0           Frames longer than maximum

    er_bad_eof             0           Frames with bad end-of-frame

    er_enc_out             0           Encoding error outside of frames

    er_bad_os              1806979604  Invalid ordered set


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  • 2.  Re: What performance symptoms might we see due to excessive er_bad_os values%3F

    Posted 02-07-2014 11:33 AM

    hi!

     

    most likely, these errors are caused by incorrect fill word setting. if this is the case, you wouldn't have any symptoms and issues. you just have more EMI in the SFP which reduces a bit its service life, i believe. that's it.

     

    regards,

    alexey


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