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Type: Posts; User: daobang wang

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    Hi Gr-R, please see the iozone test output for...

    Hi Gr-R, please see the iozone test output for the same configuration for iscsi volume with windows client. It seems that the performance is no improve, thanks!

    DSS 4622
    Writer Report ...
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    For DSS 5087, Is there any other change except...

    For DSS 5087, Is there any other change except the SCST updated to 2.0.0.1? I'm afraid that will not help, because the SCST 2.0.0.1 changed as follows:
    - Fixed critical issue with wrong INQUIRY...
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    During one week test, i saw the kernel panic...

    During one week test, i saw the kernel panic issue three times, but there was no rule for it. There is just one clue for it, we did the iozone test the iscsi volume performance with windows 2003...
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    Hi Gr-R, There is no hardware RAID, we're using...

    Hi Gr-R, There is no hardware RAID, we're using the software RAID,and the DSS version is 4622.
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    Hi Gr-R, I changed the configuration parameters,...

    Hi Gr-R, I changed the configuration parameters, the performance did not improve. Is there any other reason?
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    Hi Gr-R, it's seems that the parameters you...

    Hi Gr-R, it's seems that the parameters you pointed had incorrect value, i will try it again with you suggestion, thank you very much!
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    Hi Todd, Thanks for your reply, write back option...

    Hi Todd, Thanks for your reply, write back option on the LUN was enabled, and what's the meaning of the Write cache enabled on the RAID controller? I used the software RAID, not hardware RAID. thanks!
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    According to the result, it's more and more...

    According to the result, it's more and more better random write performance when the written date size changed from 64KB to 4MB on linux. but on windows, the random write performance is so poor,...
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    Here is the result of the iscsi volume...

    Here is the result of the iscsi volume performance with IOZONE on windows and linux.

    Linux: the iscsi volume formated the volume as ext3 with default parameters
    Writer Report
    64 ...
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    Hi Gr-R, Thank you for your reply, we just test...

    Hi Gr-R, Thank you for your reply, we just test the iscsi volume performance to see what it can be used for.
    the hardware configuration is:
    Supermicro motherboard X7DCX
    4*2GB DDR2 physical memory,...
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    But i could not duplicate it any more.

    But i could not duplicate it any more.
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    kernel panic

    Hi All,

    Another issue, kernel panic, the duplicated steps like follow:

    1. create a iscsi volume and target

    2. connect the target with initiator on windows 2003

    3. run iometer on the...
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    iscsi performance

    Hi All,

    I'm new here, i met a problem, the iscsi performance is descendant heavily, i used software RAID, created an iscsi volume based on RAID5, and then connect the target with windows...
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