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Thread: Scale of network statistics

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  1. #1

    Default Scale of network statistics

    Dear *,

    I've some issue with the naming / scale units of the network statistics of Open-E.
    In my bandwith statistics I have
    * title ethX bits/s
    * scale maximum at 100M

    That would say to me a peak in the graph of 100 MegaBIT / sec...

    As I have Gigabit I assume that the title is wrong and that it should be titled with ethX BYTE/s?

    Thanks,

    Matthias

  2. #2
    Join Date
    Aug 2010
    Posts
    404

    Default

    Can you send us a picture of that!

    Also tell us what is the build of DSSv6 that you are running now ?

    And what is the brand/model of eth card that you are using?

  3. #3
    Join Date
    Jan 2011
    Posts
    54

    Default

    The axes are auto-scalable, they will change the maximum value according to the current transfer rates on your NIC.

  4. #4

    Default

    I attach the images I mean.
    The auto-scale you mean is what I already know, but the values seem to be strange.
    You can see eth1, eth2 and eth3.
    Eth1 is Gigabit Cross-Link for replication
    Eth2 and Eth3 are Switch-connected Gigabit ports.





    But as I wrote: one possibility is that the title is "wrong" and it should be "Byte" not "Bit"?
    What especially doesnt make sense to me: the "unlimited" switch-ports have less performance then the cross link connections on which we have set some limit in the replication task configuration.

    Thanks,

    Matthias

  5. #5

    Default

    The build is 6.0up75.8101.5377 64bit

  6. #6
    Join Date
    Feb 2009
    Posts
    142

    Default

    Are you doing MPIO across ports eth2 & eth3? If so then that would make sense that the eth1 replication link would be double the other two.

  7. #7

    Default

    Hi webguyz,

    yes we do MPIO on eth2 and 3 and the double make sense for replication, BUT:
    - the initial replication is finished
    - the replication link on eth1 is a GBit link...so a peak of 80 MBIT (as written in the title) is still much to little

    That was the reason for my thread. Because
    - if it is really BIT its just to little
    - if it is BYTE its quite ok (could be better ;-) but the title is wrong...

    Matthias

  8. #8

    Default

    Anybody any experiences? Think have to open a case...

  9. #9
    Join Date
    Mar 2008
    Location
    Ljubljana
    Posts
    42

    Default

    I've noticed the same.

    Volume replication speed is real 80 MB/sec, but "statistic" shows approx. 8 times lower speed 80Mb/sec=10MB/sec.

    Or maybe, because SCSI is used, there is no statistic for it. ?!?


    Using the newest 6.0up90.8101.5845 64bit
    and
    Intel 82598EB 10-Gigabit AT2 + upd_0947-DSS-V6.upd
    Last edited by Toni Bizjak; 02-15-2012 at 12:02 PM.

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