Differences

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--- computers:megaraid_megacli [2010/06/30 16:31] – created chkuo
+++ computers:megaraid_megacli [2011/01/07 00:38] (current) – [MegaRAID MegaCli] chkuo
@@ Line 1: / Line 1: @@
 ====== MegaRAID MegaCli ======
+MegaCli is a command line tool provided by MegaRAID to configure/monitor their hardware RAID controllers. Currently all hard drives on [[user:oak|Oak]] are controlled by a MegaRAID SAS 8708EM2 w/ 256Mb RAM.
-MegaCli is a command line tool provided by MegaRAID to configure/monitor their hardware RAID controllers.
 ===== Installation =====
+MegaCli is available as a RPM for RedHat Linux from [[http://www.lsi.com/storage_home/products_home/internal_raid/megaraid_sas/value_line/megaraid_sas_8708em2/index.html|LSI MegaRAID 8708EM2]]. The file name is: **4.00.11_Linux_MegaCLI.zip**
-MegaCli is available as a RPM for RedHat Linux. For installation on Ubuntu
+For installation on Ubuntu, first we need to install ''alien'' for package format conversion:
+<code bash>
+$ sudo apt-get install alien
+</code>
+There are two possible ways to perform the actual installation:
-**masker is working on this part**
+==== 1. masker ====
+<code bash>
+$ unzip 4.00.11_Linux_MegaCLI.zip
+Archive:  4.00.11_Linux_MegaCLI.zip
+ extracting: MegaCliLin.zip
+  inflating: 4.00.11_Linux_MegaCLI.txt
+$ unzip MegaCliLin.zip
+Archive:  MegaCliLin.zip
+  inflating: MegaCli-4.00.11-1.i386.rpm
+$ alien -g MegaCli-4.00.11-1.i386.rpm
+....
+Directories MegaCli-4.00.11 and MegaCli-4.00.11.orig prepared.
+$ mv MegaCli-4.00.11/debian MegaCli-4.00.11/DEBIAN
+$ vi MegaCli-4.00.11/DEBIAN control
+</code>
+Change ** Orignal "control" **
+<file>
+Source: megacli
+Section: alien
+Priority: extra
+Maintainer: MyName
+Package: megacli
+Architecture: i386
+Depends: ${shlibs:Depends}
+Description: MegaCli SAS RAID Management Utility.
+ MegaCli is used to manage SAS RAID controllers.
+ .
+ (Converted from a rpm package by alien version 8.79.)
+</file>
+to ** Modified "control" **
+<file>
+Source: megacli
+Section: alien
+Priority: extra
+Maintainer: MyName
+Package: megacli
+Architecture: amd64
+Depends:
+Description: MegaCli SAS RAID Management Utility. MegaCli is used to manage SAS RAID controllers.
+Version: 4.00.11
+</code>
+(including blank line)
+<code>
+$ dpkg -b MegaCli-4.00.11
+$ sudo dpkg -i MegaCli-4.00.11.deb
+</file>
+==== 2. chkuo ====
+<code bash>
+$ sudo alien --to-tgz MegaCli-4.00.11-1.i386.rpm
+$ tar -xvfz MegaCli-4.00.11.tgz
+</code>
 ===== Usage =====
+A quick reference sheet can be found at [[http://tools.rapidsoft.de/perc/perc-cheat-sheet.html]]
+Some commonly used commands:
+==== Get Info ====
 To see all adapter info:
 <code bash>
@@ Line 17: / Line 79: @@
 </code>
-To see configuration info:
+To see RAID configuration info of adapter 0:
 <code bash>
-sudo /opt/MegaRAID/MegaCli/MegaCli64 -CfgDsply -aALL
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -CfgDsply -a0
 </code>
+To see enclosure info of adapter 0:
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -EncInfo -a0
+</code>
-To check rebuild progress:
+To see virtual drives info of adapter 0:
 <code bash>
-sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDRbld -ShowProg -PhysDrv [252:7] -a0
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -LDInfo -Lall -a0
 </code>
-The example here is for checking physical drive in enclosure 252, slot 7, adapter 0.
+To see a list of physical drives of adapter 0:
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDList -a0
+</code>
+==== To Replace a Hard Drive ====
+**WARNING: The following procedure has not been verified yet!!**
+The example here assumes that the one of the physical hard drive (Enclosure 252, Slot 6, Adapter 0; marked as Physical Disk 2 in Span Reference 0x00) has failed and needs to be replaced.
+. Set the drive offline if it is still online
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDOffline -PhysDrv [252:6] -a0
+</code>
+. Mark the drive as missing
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDMarkMissing -PhysDrv [252:6] -a0
+</code>
+. Prepare drive for removal
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDPrpRmv -PhysDrv [252:6] -a0
+</code>
+. Replace the failed hard drive
+. If the replaced hard drive is listed as ''Unconfigured(bad)'', change the state
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDMakeGood -PhysDrv [252:6] -a0
+</code>
+. Add the physical drive back to the virtual drive
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PdReplaceMissing -PhysDrv [252:6] -Array0 -row2 -a0
+</code>
+. Start the rebuid
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDRbld -Start -PhysDrv [252:6] -a0
+</code>
+. Check the rebuild progress
+<code bash>
+sudo /opt/MegaRAID/MegaCli/MegaCli64 -PDRbld -ShowProg -PhysDrv [252:6] -a0
+</code>