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  1. #1
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    Adaptec 2405SAS vs 3Ware 9650SE-4LPML for raid 10

    Hi,

    i want to use q9550 with 8G RAM,

    install on X7SBL-LN2,

    and use for 500G SATAII to do raid 10,

    about Adaptec 2405SAS and 3Ware 9650SE-4LPML,

    which one will get better performance ?



    thanx

  2. #2
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    3Ware 9650SE will give you better performance, IMO for this specific application. You can also add a BBU for writecache enabling where as with the 2405 model you can't.
    Use the Adaptec 2405 if you want to be able to support SAS later though as the 9650SE is SATA only.
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  3. #3
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    Quote Originally Posted by CGotzmann View Post
    3Ware 9650SE will give you better performance, IMO for this specific application. You can also add a BBU for writecache enabling where as with the 2405 model you can't.
    Use the Adaptec 2405 if you want to be able to support SAS later though as the 9650SE is SATA only.
    Do you have any information to back that up? My experience has been the exact opposite. The Adaptec 2405 is a beast of a card, and absolutely holds its own against the 9650SE-4LPML. If you're comparing a 9650SE-4LPML w/ BBU against a 2405, that's not an eye-to-eye comparison. You should be comparing an Adaptec 5405 w/ BBU vs 9650 w/ BBU, and the 5405 w/ BBU will smokes the pants off the 3ware alternative....

    Adaptec also gives you the flexibility of SAS/SATA in the same card. The only shortfall of the 2405 (I wouldn't even call it that really) is the lack of an available BBU, but can just as easily do a Adaptec 5405 + ABM800 and call it a day.

  4. #4
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    I agree, in all my testing and real world use the adaptec 2405 kills the 3ware 9650 performance wise. Yes the 2405 doesn't support a BBU but that's why it doesn't support raid 5 or 6. With raid 1 or 10 even with write caching on there's no risk of data loss. Most likely the array would just need to rebuild when it powers back on.

  5. #5
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    Quote Originally Posted by ttgt View Post
    Hi,

    i want to use q9550 with 8G RAM,

    install on X7SBL-LN2,

    and use for 500G SATAII to do raid 10,

    about Adaptec 2405SAS and 3Ware 9650SE-4LPML,

    which one will get better performance ?



    thanx
    All of our servers use 3Ware 950SE-4LPML's and they are absolutely amazing. Tw_cli makes it easy to manage RAID also.

  6. #6
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    No critical need for BBU on RAID1/10. Adaptec beats the pants off 3ware in this situation.
    Fast Serv Networks, LLC | AS29889 | DDOS Protected | Managed Cloud, Streaming, Dedicated Servers, Colo by-the-U
    Since 2003 - Ashburn VA + San Diego CA Datacenters

  7. #7
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    BBU will enable writecache,will it not get better performance ?


    thanx

  8. #8
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    How about the new LSI cards, like the MegaRAID 9260-4i?
    Karl Zimmerman - Founder & CEO of Steadfast
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  9. #9
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    You can enable write cache without BBU. Like stated previously, BBU is much more critical for RAID5/6.
    Fast Serv Networks, LLC | AS29889 | DDOS Protected | Managed Cloud, Streaming, Dedicated Servers, Colo by-the-U
    Since 2003 - Ashburn VA + San Diego CA Datacenters

  10. #10
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    Quote Originally Posted by KarlZimmer View Post
    How about the new LSI cards, like the MegaRAID 9260-4i?
    Indeed. 9260-4i is a really good card for the money. I am still having trouble finding the LSI 9210 without the RAID firmware based on SAS2008. Let me know if you find one.

  11. #11
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    I have experience with both the 3ware 9650 and Adaptec 2405 and also agree, the Adaptec 2405 smokes pretty much all 3ware I have used in the past (9650, 9550SX, 9500). However, the 2405 does not have BBU option if I recall...

    If doing RAID 10 with 4 drives and you do want a BBU option, also check out the LSI 8704ELP. Haven't tried out the 9260-4i yet. But it also looks like a winner in my book.

  12. #12
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    Quote Originally Posted by FastServ View Post
    No critical need for BBU on RAID1/10.
    Could you explain this? I've always used BBU for RAID10. I don't see how a cached write that is lost during power failure would *not* cause problems on RAID1 or RAID5. Sure, a RAID5 may have worse corruption issues but it seems a RAID1 could still have corrupt/missing data due to write cache loss with no BBU.

  13. #13
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    Quote Originally Posted by CGotzmann View Post
    3Ware 9650SE will give you better performance, IMO for this specific application. You can also add a BBU for writecache enabling where as with the 2405 model you can't.
    Use the Adaptec 2405 if you want to be able to support SAS later though as the 9650SE is SATA only.
    That's simply not true. We have stacks of both 9650SE-4LPML and Adaptec 2405's in our machines, and the Adaptecs blow the 3Ware cards out of the water. The 3Ware cards have more cache, but the dualcore on-chip CPU on the Adaptec makes all the difference.

  14. #14
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    Quote Originally Posted by TQ Mark View Post
    Could you explain this? I've always used BBU for RAID10. I don't see how a cached write that is lost during power failure would *not* cause problems on RAID1 or RAID5. Sure, a RAID5 may have worse corruption issues but it seems a RAID1 could still have corrupt/missing data due to write cache loss with no BBU.
    in the real world, it seems that the "importance" of BBU is way, way over-stated.

    over years, we must had installed thousands of hardware RAID cards without BBU (but with write cache enabled) in production servers, and I can't recall one single case of data loss caused by absence of BBU reported by customers after this many years!

    was it me, I wouldn't loss any sleep a bit if no BBU is installed on my own server.

    2405 ==> 800mhz Intel dual-core RAID processor, PCI-E 8-lane, SAS or SATA-II
    9650SE ==> 600mhz single-core RAID processor, PCI-E 4-lane, SATA-II only

    adaptec 2405, hands down! but I do have some clients insisting on using 3ware because of CLI utilities.
    C.W. LEE, Apaq Digital Systems
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  15. #15
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    To be honest I find the Adaptec CLI utilities (Storman) just as good as 3ware. It does take a little longer to grasp, but on the latest firmware it's excellent. It's also great being able to flash the hdd activity led on a particular drive to make it easier to swap out failed disks.

  16. #16
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    I think adaptec and 3ware cli utilities are pretty equal. 3ware does have one advantage though, the 3dm2 web interface is miles ahead of the garbage java based app adaptec provides.

  17. #17
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    I'm another Adapted 2405 "fan". I use this in all our server setups now, no issues.
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