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Type: Posts; User: tingshen

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  1. Replies
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    How to check disk usage pattern ?

    Is there any facility/tool provided within Open-E to check the disk usage pattern? READ/Write Bandwidth, IOPS etc in specific time?
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    so is there any alignment need to be done?

    so is there any alignment need to be done?
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    hi guys, Any idea what's the cost of the SAS...

    hi guys,

    Any idea what's the cost of the SAS drives now?

    I am thinking of using SSD. Mushkin's 240GB (SandForce controller based) SSD cost about USD400+ only. The raid controller has to be...
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    any data deduplication feature to be available...

    any data deduplication feature to be available soon?
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    Did you monitor the CPU usage? Even my 8x Intel...

    Did you monitor the CPU usage? Even my 8x Intel X25-M 160GB SSD setup on Adaptec 5805Z only require 2x E5520 which is super idle most of the time. I was using 4x 1GBe link as teaming via twin Dell...
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    When would FCoE be supported by Open-E?

    Any roadmap in place?
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    May I know why do you need 24GB Ram? What is...

    May I know why do you need 24GB Ram?

    What is 5550W? Is it X5550?

    Do you really need such a high CPU and so much RAM?
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    what is out-of-band management? Why would it...

    what is out-of-band management?

    Why would it matter if the raid controller is fully supported by Open-E?

    I used to implement 1 supporting Hyper-V clusters and the storage I used was Adaptec...
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    You're using Supermicro + Areca, not sure if it's...

    You're using Supermicro + Areca, not sure if it's related, but mine is Dell R710 + Adaptec 5805Z. I will try out the fail over sometime and let you know if it would also crash all the VMs due to lost...
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    pfeifferl, you meant if the primary DSS is turned...

    pfeifferl, you meant if the primary DSS is turned off, all the VMs will go into BSOD when the secondary DSS is taking over the job?
  11. hey guys, I just recalled I got some posting here...

    hey guys, I just recalled I got some posting here lol.

    Anyway, we went ahead to get the kit and use it on 5805Z. Unfortunately, under Hyper-V R2, the cache seems a little redundant.....and frankly...
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    do consider Adaptec's "Zero maintenance"...

    do consider Adaptec's "Zero maintenance" series.....I got a pair of 5805Z.
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    SeanLeyne, any idea what's the processor used by...

    SeanLeyne, any idea what's the processor used by 3Ware 9650?

    Adaptec 5805Z is using Intel IOP348, which is probably the fastest non-SSD optimized storage controller at the moment.....I love the...
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    Hi guys, I'm in Singapore and based on our...

    Hi guys, I'm in Singapore and based on our testing with Intel since Jan 09, the best combi should be Adaptec 5805Z (zero maintenance, meaning no battery) with some X25-M disk array. We are using 8pcs...
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    is the teaming still giving problem with Hyper-V...

    is the teaming still giving problem with Hyper-V R2? I finally have a chance to set up teaming in order to catch up the min 1GB/s bandwidth from my SSDs array....setting up in progress....
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    I think I am ready to try out the difference...

    I think I am ready to try out the difference between both now. Will update you guys the difference. I think the size of the VMs does matter too.....

    Interesting, file I/O for iSCSC SAN :D How cool...
  17. Robotbeat, it won't allow you to use your own...

    Robotbeat, it won't allow you to use your own SSD.

    The X25-E they use, is using customized firmware. Unless you can get hold of the firmware itself, and flash it to a fully compatible X25-E drive...
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    webguyz, is it an open-e design or a general...

    webguyz, is it an open-e design or a general specifications for iSCSI SAN?

    When you mention RAM on system motherboard, do you mean the Open-E system? Or the iSCSI initiator system?

    I have a 2...
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    File I/O seems to be NAS feature. Given the...

    File I/O seems to be NAS feature. Given the advanced technologies nowadays, file I/O may yields better performance. It depends on your VMs, and how many VMs are stressing the iSCSI SAN at the same...
  20. Thread: W8K Cluster

    by tingshen
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    hi guys, do you all use the default server...

    hi guys, do you all use the default server mpanagement tool or System Center Operation Manager + System Center Virtual Machine Manager to configure the CSV cluster?
  21. Not particularly useful in this case but thanks!...

    Not particularly useful in this case but thanks!

    My concern here is, does open-e use a particular block size for data transfer or it can be controlled by user.

    When working with RAID...
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    actually how do you align your partition?...

    actually how do you align your partition? creating partition based on the multiple of your stripe size?
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    symm, are you saying test.log contains the...

    symm, are you saying test.log contains the maximum bandwidth & IOPS being used or its maximum bandwidth & IOPS Open-E can provide?
  24. Now I'm also wondering.....do we need to create...

    Now I'm also wondering.....do we need to create the right partition size and align it based on the stripe size to see the best results?
  25. VMs, VMs & more VMs.....for Hyper-V R2 via iSCSI...

    VMs, VMs & more VMs.....for Hyper-V R2 via iSCSI SAN set up.

    I did some testing on Windows2K8R2x64, seems like bigger stripe size is not showing good performance. But I'm not sure about the...
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