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05-20-2013, 05:24 AM #151Web Hosting Master
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Are Samsung shipping the drives with this updated fw yet?
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05-20-2013, 04:24 PM #152Corporate Member
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840 pros also don't seem to work on Adaptec 7805Q for max cache.
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05-20-2013, 04:36 PM #153Disabled
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05-20-2013, 04:40 PM #154Corporate Member
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05-21-2013, 06:17 AM #155Web Hosting Master
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05-23-2013, 03:54 AM #156Newbie
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LATEST FIRMWARE RESOLVES ISSUE
Updated 6x 840 Pros and LSI 9271-8iCC with latest firmware.
Disk cache can now be enabled. Performance during the previously mentioned IOMeter test was stable at ~100,000 IOPS.
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05-23-2013, 06:35 AM #157Web Hosting Master
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05-23-2013, 09:45 AM #158Solid State
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05-23-2013, 12:58 PM #159Newbie
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Always a pleasure.
Samsung 840 Pros: DXM05B0Q
LSI 9271-8iCC: 23.12.0.0013
Samsung has posted DOS ISOs here.
http://www.samsung.com/global/busine...downloads.html
I'm not sure if this would work, but there's a PDFwDownload command in MegaCLI for updating drive firmware through the controller. Convention is
Code:MegaCli -PdFwDownload [offline][ForceActivate] {[-SataBridge] -PhysDrv[0:1]}|{-EncdevId[devId]} -f <filename> -aN|-a0,1,2|-aALL
http://www.lsi.com/downloads/Public/..._SAS_SW_UG.pdf
You could try it with the 1 MB .enc file in the zipped file on Samsung's website:
http://www.samsung.com/global/busine...o_DXM05B0Q.zip
I'm not making any guarantees it'll work though, as Samsung explicitly states, "Zipped files must be used with Samsung Magician Software." It's likely just a statement that means other flash methods are not supported.
If anyone is willing to try this method, please report whether the flash was successful. It's painful to manually connect each 840 Pro in the array to an onboard SATA port. Moreover, Samsung Magician Software forces a restart after a single drive update.
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05-23-2013, 08:41 PM #160Web Hosting Master
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Would be good if someone can test if it works with megacli. Having to pull the drive 1 by 1 and updating on a Windows dedicated server that is "spare" will be a major issue.
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05-24-2013, 02:08 AM #161Newbie
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Flashing Instructions
If there are people who want to try using MegaCLI that don't know much about the command options, I can walk you through them.
Code:[offline]
Code:[forceActivate]
Code:{[-SataBridge] -PhysDrv[EnclosureId:SlotNumber]}|{-EncdevId[devId]}
Code:EncdevId[devId]
Code:PhysDrv[EnclosureId:SlotNumber]
Code:[-SataBridge]
Code:-f <filename>
Code:-aN|-a0,1,2|-aALL
So if someone wanted to flash an 840 Pro connected to the first port on their controller, they could run
Code:MegaCli -PDFwDownload -PhysDrv[252:0] -f DXM05B0Q.enc -a0
For people who want to be sure about the identities of the PDs they are flashing, they can run
Code:MegaCli -PDList -a0
To get this info for a particular PD, run
Code:MegaCli -PDInfo -PhysDrv[EnclosureId:SlotNumber] -a0
The StorCLI command for flashing is
Code:storcli /cx/ex/sx download src=<filepath>
Code:storcli /c0/e252/s0 download src="DXM05B0Q.enc"
Code:storcli /cx show all
Code:storcli /cx/ex/sx show all
More information about StorCLI and command syntax/semantics is available in Chapter 5 and Appendix C of the MegaRAID SAS Software User Guide.
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05-24-2013, 08:04 PM #162Newbie
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PdFwDownload
------------
Syntax: MegaCli -PdFwDownload [offline] [ForceActivate] {[-SataBridge] -PhysDrv[0:1] }|{-EncdevId[devId1]} -f <filename> -aN|-a0,1,2|-aALL
Description:
Flashes the firmware from the file specified at command line.
Firmware files used to flash the physical drive or Enclosure can be of any format.
Command assumes that user is providing valid firmware image and flashes the same.
Its up to the physical drive or Enclosure to do error checking.
-forceactivate option should be used only if target device is an enclosure.
-offline option should be used only if target device is an enclosure firmware and if the enclosure type is Shea or MileHigh.
The firmware file extension should be .esm if this option is used.
This option forces the application to flash enclosure firmware using offline method and is supported only in DOS version of the command tool.
-SataBridge option must be used if target device is Alta.
Convention:
-aN N specifies the adapter number for the command.
-a0,1,2 Specifies the command is for adapters 0, 1, and 2. More than one adapter can be selected.
-aALL Specifies the command is for all adapters.
-PhysDrv[E00] Physical drive, E specifies enclosure id and S specifies Slot number of physical drive.
EncdevId[devId1] deviceId of the enclosure.
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05-31-2013, 08:16 PM #163Newbie
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New Firmware Update
A new firmware update has been released for LSISAS2208 controllers (23.16.0.0012).
At this time I am unable to check whether this update substantially affects performance, although from the readme it would seem it does in some cases.
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06-01-2013, 01:05 AM #164Junior Guru Wannabe
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I'm having similar issue with the OCZ Vectex 4 F/W 1.5 on 9271-8i. Under full load, the drive seems to fail.
OCZ has firmware 1.5.1 now. Has anyone tested it?
LSI F/W Package: 23.9.0-0018. Anyone test the new 23.12.0.0013 F/W just released?
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06-01-2013, 01:16 AM #165Web Hosting Master
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I am considering doing RAID10 on 6-8 of these Samsung 840/840 pro drives using Dell PERC 6/i and H700/H710 RAID controller. Does anybody have any experience with this setup?
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06-17-2013, 02:11 AM #166Aspiring Evangelist
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06-17-2013, 07:11 AM #167Disabled
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Issues with 840 Pros for CacheCade?
Nevermind.
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06-17-2013, 09:32 AM #168Randy
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Has anyone flashed an 840 through an LSI RAID card yet?
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06-20-2013, 02:39 AM #169Newbie
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Please bear in mind that Samsung has a dedicated range of Enterprise SSDs validated to work with LSI and give high performance in the data center.
Check out the Samsung SM843T SSD.
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06-20-2013, 03:51 AM #170Web Hosting Master
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Which is very hard/impossible to find though.
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06-20-2013, 05:45 AM #171Newbie
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SM843T SSD parts have recently become available to wider customer market in Europe including UK. Please feel free to contact me if you would like the name of a local distributor.
FYI I work in Samsung Memory in Korea.
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07-20-2013, 04:21 AM #172New Member
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Newest Firmware on 9270i-8 and 840 Pro and still bad Performance
Hi all
I have installed the LSI FW 3.270.65-2578 (17 June 2013) and the 840 Pro FW 5B0Q.
My Configuration: 1 x SSD for CacheCade 2.0 Pro (Wrrite Back enabled) and 4 2TB Disk in Raid 5.
I know Raid 5 is not the Best Performance Solution. But if i disable CacheCade oder set it to "Read only", my write Performance is stable at about 200MB/sec. (ISO / MKV copy Job in Windows Server)
But i enable the "write back" mode, the the transfer goes down after a few seconds to 2-3 MB/sec. for 15 - 20 seconds, the up to 100MB/sec. for a few seconds and the again to 2-3MB/sec.
What's the Problem? Have others here in the forum the same issues?
Thanks a lot,
Mike
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08-19-2013, 09:22 PM #173Newbie
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GOOD NEWS EVERYONE
Samsung 840 Pro is now formally supported by LSI for MegaRAID cards.
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08-19-2013, 10:24 PM #174Web Hosting Master
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Our Samsung 840 Pro seems to work fine with our LSI-9266-8i
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09-05-2013, 01:05 AM #175Premium Member
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Is anybody using the 840 Pro with Cachecade Pro 2.0?
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