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Thread: Buy new hardware

  1. 07-06-2009, 08:13 AM #1
    jens
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    Question Buy new hardware

    Hello Support-Team,
    we plan to build an iscsi failover-cluster with 2 intel ssr212mc2.

    planned configuration
    6x 450 MB SAS HD on Raid 5 (=2250 GB Volume)
    Onbord Dual Gbit LAN (bond and direct connected with crossover cables for replication)
    2x Intel PRO/1000 PT Dual Gigabit LAN
    - one port connect to switch 1 (use MS Windows 2008 with MPIO)
    - one port connect to switch 2 (use MS Windows 2008 with MPIO)
    - one port connect to Backup-Server
    - one port connect to management-lAN

    How much memory should i buy?
    Which CPU should i use?
    -one Intel Xeon X5450 3GHz or two Intel Xeon E5420 2,5GHz? (nearly same price)

    Thanks
    Jens

    PS: I come from germany and i hope you understand my english ;-)
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  2. 07-06-2009, 09:06 PM #2
    SeanLeyne
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    Quote Originally Posted by jens
    2x Intel PRO/1000 PT Dual Gigabit LAN
    - one port connect to switch 1 (use MS Windows 2008 with MPIO)
    - one port connect to switch 2 (use MS Windows 2008 with MPIO)
    - one port connect to Backup-Server
    - one port connect to management-lAN
    I would suggest the Intel Quad port Gigabit adapter -- save space and power for same functionality.
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  3. 07-06-2009, 09:37 PM #3
    SeanLeyne
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    Quote Originally Posted by jens
    - one port connect to switch 1 (use MS Windows 2008 with MPIO)
    - one port connect to switch 2 (use MS Windows 2008 with MPIO)
    Almost forgot...
    Rather than have 1 port for each of the Win2008 servers, I would take the 2 ports from a single card and bond them together and use the same bond for both Win2008 servers.
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  4. 07-07-2009, 02:13 PM #4
    symm
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    I would go with two Intel Xeon E5420 2,5GHz (more cores)
    start with more memory (as much as you can afford)
    in file mode teh memory will be used as cache.
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  5. 07-08-2009, 08:49 AM #5
    jens
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    Quote Originally Posted by symm
    I would go with two Intel Xeon E5420 2,5GHz (more cores)
    start with more memory (as much as you can )
    in file mode teh memory will be used as cache.
    file mode = NAS? I only wan't to use ISCSI.
    Use ISCSI memory to cache data?
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  6. 07-08-2009, 12:20 PM #6
    budy
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    If iSCSI is used in file i/o mode (mostly for VMWare), then the system memory will be used as a cache. If iSCSI is used in block i/o mode, then the reads/writes go directly to the storage.

    Cheers,
    budy
    There's no OS like OS X!
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  7. 07-08-2009, 01:11 PM #7
    jens
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    to budy,symm and SeanLeyne:

    Thank you for helping me out!
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