[f-nsp] WriteDrops

[Gerald Krause]

Harry Hambi schrieb:
> Hi All,
> I'me seeing some WriteDrops on the primary management module of my
> foundry FI1500. I have been searching the foundry website for info....no
> joy. Can someone pls explain the meaning of write drops. The writedrops
> seem to be going up when I issue the hw bc comand.Is the rising
> writedrops likely to cause me a problem in the near future.

Same here on a NetIron. I have searched for an answer a long time
but haven't got any hint until now. I guess that some kind of
congestion occur (e.g. when to many packets have to be send to the
M4/CPU in a short amount of time) but I would appreciate a reliable
answer too.

NI400#sh log
...
Jul 11 15:52:23:W:Slot 1 M4 Free Queue decreases less than the
desirable values 3 consecutive times.
Jul 11 15:47:22:W:Slot 1 M4 Free Queue decreases less than the
desirable values 3 consecutive times.
Jul 11 15:42:22:W:Slot 1 M4 Free Queue decreases less than the
desirable values 3 consecutive times.
Jul 11 15:37:22:W:Slot 1 M4 Free Queue decreases less than the
desirable values 3 consecutive times.
Jul 11 15:32:22:W:Slot 1 M4 Free Queue decreases less than the
desirable values 3 consecutive times.
Jul 11 15:27:22:W:Slot 1 M4 Free Queue decreases less than the
desirable values 3 consecutive times.
Jul 11 15:22:22:W:Slot 1 M4 Free Queue decreases less than the
desirable values 3 consecutive times.
...

NI400#sh back
_______________________________________________________________________
Slot  Mod   FreeQ    DMADrop    BPDrop    WriteDrop     Last
-----------------------------------------------------------------------
 1   B4GMR4  3956       0          0     112814     D:212H:5 M:15S:4
 3   B8G      888       0          0          0          NEVER
 5   B2P622   882       0          0          0          NEVER
 8   B24E     872       0          0     209382     D:193H:6 M:52S:2


--
Gerald   (ax/tc)