SAS2208 Initiator Target firmware?

Discussion in 'RAID Controllers and Host Bus Adapters' started by xnoodle, May 10, 2013.

  1. xnoodle

    xnoodle Active Member

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    IBM M5120 (aka LSI 9285CV-8e)

    Bought a M5120 to play with. Does SAS2208 IT firmware exist for this, or is IR the only flavor floating around?

    Have it working on one of my C6100 nodes running FreeBSD 8.3-RELEASE-p5 (aka FreeNAS).

    Notes so far:

    Cache addon requirement is not optional.

    [​IMG]

    Can be managed using the typical MegaCli stack.

    edit: changed title around
     
    #1
    Last edited: May 11, 2013
  2. dba

    dba Moderator

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    I believe that only the HBAs have a choice of firmware. The 2208 has only the RAID firmware.

    Let everyone know if the M5120 works in a non-IBM machine, how much cache it has, etc. The prices on those seem to be very reasonable - around $270. If they perform like a normal LSI 2208, that is a bargain.

     
    #2
  3. xnoodle

    xnoodle Active Member

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    The cache modules are required unfortunately,which raises the price a bit.

    Worked just fine in my non-IBM C6100 :) Managed it via the normal MegaCli tool. Flashed the LSI firmware on there too without a problem.
     
    #3
  4. mobilenvidia

    mobilenvidia Moderator

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    IBM will have crippled the M5120 with features that are going to need keys to unlock adding more cost and hence them seeming cheap to start with.
    I think even the cache is upgradeable, from Zero to 1GB, depending on which feature you get
    But if you don't need any features not already then cheaper way to go.


    M5120 being a MegaRAID controller = no IT mode, not even an IR mode.
    It does how ever do proper HW RAID and with a tweak you can enable JBOD (passthrough), which also bypasses the cache.
     
    #4
  5. xnoodle

    xnoodle Active Member

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    What tweak is that mobilenvidia? (and can someone change the thread title to "IBM M5120 (aka LSI 9285CV-8e)"

    I was unable to get the card working without the cache module.
     
    #5
  6. mobilenvidia

    mobilenvidia Moderator

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    Grab your self MegaCLi
    Windows version run as 'Administrator' !!

    megacli -adpsetprop -enablejbod -1 -a0

    Reboot (it may work without, not certain)
    JBOD = enabled
    Works on my M5016

    I've not tested the M5016 with no cache

    More info:

    Actual title won't change anymore
     
    #6
    Last edited: May 12, 2013
  7. Yarik Dot

    Yarik Dot Active Member

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    I was testing JBOD mode last week and I found out it behaves strange. I put 1 ok and 1 failed drive to the server, switched to jbod mode, created mdadm array and let is sync. The goal was to let mdadm kick off the failed drive. Unfortunately, since one moment all readings/writings on failed drive thrown errors, disk didn't respond to anything, but LSI marked them as good and mdadm didn't kick the failed drive from the array. Result: completely stuck system, which had to be rebooted.
     
    #7
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