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Recent content by ldeep

  1. L

    SQL Server / Raid Controller / SSDs

    Oh wow, I tested some settings and got nice results now: Same 4 tests as before: IOs/sec: 26603.17 IOs/sec: 128635.63 IOs/sec: 12689.54 IOs/sec: 31672.66 MBs/sec: 207.83 MBs/sec: 1004.96 MBs/sec: 793.09 MBs/sec: 1979.54 seems like fixed :) New settings on Windows / Raid10 VD...
  2. L

    SQL Server / Raid Controller / SSDs

    yes - sry, the slow performance is the WRITE test
  3. L

    SQL Server / Raid Controller / SSDs

    Here are some benchmark results: I've tested like this: - every test runs for 120 seconds - 8 threads with up to 8 outstanding requests at once 1. test: random writes, 8kb sas spinning disks: IOs/sec: 1970.98 MBs/sec: 15.39 ssd raid10: IOs/sec: 7880.00 MBs/sec: 61.56 2. test...
  4. L

    SQL Server / Raid Controller / SSDs

    heys guys so i bought the stuff: lsi 9271-8i, cache vault and updated latest fw. i took the 4 Samsung 840 Pro and built a raid 10 but i get really slow performance. when restoring a sql database, it writes with 50-60mb/s. our SAS spinning drives are much faster. i've created a VD with these...
  5. L

    SQL Server / Raid Controller / SSDs

    thx dude! so ill buy cache vault, lsi raid and bracket and will create raid10 with my ssds! do you create separate VDs for tempdb, data and log files? or do you keep them all on the same VD?
  6. L

    SQL Server / Raid Controller / SSDs

    thx for the answers! problem: the server is already productive (clustered, at least) so I need to buy a new RAID controller (with BBU/Cache Vault of course..). I can't change to ESXI and install a new OS or storage system. It is a physical server with Windows Server 2008 R2 installed. So I...
  7. L

    SQL Server / Raid Controller / SSDs

    Dear all I've bought 4 Samsung 840 PRO SSDs and installed them on a 2011 SuperMicro Mainboard with LSI 2008 RAID Controller. RAID5 Read-Performance is great, but writes are weak (My guess is the lacking write-back feature) Now I need to buy a new RAID Controller and I am asking myself...
  8. L

    New mainboard with IOMMU support

    hey hagrid, thx for your input. i checked the mainboard and found this: http://hardforum.com/showthread.php?t=1765122 But I also found the wiki entry that it supports IOMMU, so ill give it a shot.
  9. L

    New mainboard with IOMMU support

    Dear all I'm currently using the following hardware in my ESXI 5.1 host: Asus m4a89gtd pro/usb3 16 GB Ram LSI RAID Controller 2 x PCI-E x4 Dual NICs AMD Phenom II X4 965 Although some say that IOMMU should be supported by my board, it doesnt.. I'm not having IOMMU option in bios and...
  10. L

    ESXI 5 - Windows Server 2008 R2 Domain Controller: Black Screen

    so far so good - new iso, new luck. no errors with dhcp and everythings just smooth atm thx guys!!
  11. L

    ESXI 5 - Windows Server 2008 R2 Domain Controller: Black Screen

    okay, i downloaded another one: the one wo SP1 .. but should be better anyways. ill check back asap!
  12. L

    ESXI 5 - Windows Server 2008 R2 Domain Controller: Black Screen

    so.. that cant be the solution for my problem, right?
  13. L

    ESXI 5 - Windows Server 2008 R2 Domain Controller: Black Screen

    ive redownloaded and got this again: B525BA6B34C7F3701907AE7FAE70D244B5591B70
  14. L

    ESXI 5 - Windows Server 2008 R2 Domain Controller: Black Screen

    ok - but - for sure.. im a student and i have msdnaa - so no need for illegal stuff.. how could dat happen??
  15. L

    ESXI 5 - Windows Server 2008 R2 Domain Controller: Black Screen

    i got this on my image: B525BA6B34C7F3701907AE7FAE70D244B5591B70
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