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MegaRAID

Replace failed disk in MegaRAID array

Install MegaCli software You can download the latest release from LSI here: http://www.lsi.com/support/Pages/Download-Search.aspx . Search for “megacli”. There is also an excellent driver repository here: http://www.thomas-krenn.com/de/download.html (german language). To install the software, unpack the zip file and run the install command according to your OS. For a Linux system, the command is usually # rpm -Uhv ./MegaCLI/MegaCli_Linux/MegaCli-8.05.71-1.noarch.rpm Preparing… ###########################################  Full Article…

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LSI MegaRAID – megacli

I wanted to verify that the RAID controller would start an automatic rebuild.  I popped out one of the drives and the very loud alarm started screaming.  I waited a little bit and put the drive back in.  The alarm continued and the array did not start rebuilding.  It turns out that the controller has  Full Article…

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Megaraid SAS Raid Controller

I have about half a dozen servers all running the Intel RS2BL080 raid controller on Oneiric server AMD64. It works fine using the megaraid_sas kernel module but when I try to use megacli to probe the card, it tells me that there are no raid controllers available. Intel don’t have Ubuntu as a supported OS, so they couldn’t help me.  Full Article…

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How to read the SMART values of the drive in RAID

The use of smartmontools enables direct access to the physical drive behind the controller, eg. for the first drive. First of all, the device id needs to be determined with the megacli tool: # megacli -pdlist -a0| grep ‘Device Id’ Device Id: 4 Device Id: 5 This can now be specified as a “megaraid” option, for example:  Full Article…

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How to read the status of the hardware-based RAID

To read the status of the LSI RAID Controller, the LSI megacli command-line tool needs to be installed. This is already pre-installed in the Rescue System. The status of the RAID may be obtained by using the following command (show all logical devices on all controllers):   megacli -LDInfo -Lall -Aall Example RAID 1: Adapter  Full Article…

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MegaCLI Error Messages

0x00 Command completed successfully 0x01 Invalid command 0x02 DCMD opcode is invalid 0x03 Input parameters are invalid 0x04 Invalid sequence number 0x05 Abort isn’t possible for the requested command 0x06 Application ‘host’ code not found0x07 Application already in use – try later0x08 Application not initialized0x09 Given array index is invalid0x0a Unable to add missing drive to array, as row has no empty slots0x0b Some of the CFG resources conflict with each other or  Full Article…

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