Objective To perform online reconfiguration of hardware RAID in Linux system. Prologue I have an IBM x3650 M2 with 6 physical hard disks (slot 0-5, 146GB each) and all of the hard disks have been configured as RAID 1 (slot 0 & 1 as 1 set of RAID, slot 2 & 3 as 1 set [...]
Tagged lsi, megaraid, msm, x3650This is just a note for my personal reference. 1) MegaCLi for Linux [root@sgbwaprec01 ~]# rpm -qi MegaCli-8.00.23-1 Name : MegaCli Relocations: (not relocatable) Version : 8.00.23 Vendor: LSI Logic Corporation Release : 1 Build Date: Wed 19 May 2010 10:46:16 PM MYT Install Date: Tue 27 Jul 2010 11:27:22 AM MYT Build Host: localhost.localdomain [...]
Tagged lsi, megacli, megaraidObjective: To query hardware RAID info in a Linux system without going into BIOS by using MegaCLI I'm using IBM x3650 M2. Below is the detail of RAID card (taken from 'lspci -v'), ---------- 8< --------- 01:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 1078 (rev 04) Subsystem: IBM SystemX MegaRAID SAS [...]
Tagged megacliPrologue: My Storage Admin has presented new SAN disks, so I want to rescan the new LUNs without rebooting this IBM server. On HP Proliant, I know I can use hp_rescan utility but I can't find similar utility provided by IBM. Thanks God I managed to find a nice utility provided by QLogic. Server Model: [...]
Tagged Linux, lun, qlogic, Red Hat Enterprise Linux, x3650I don't mean to show off but this is the fact, I stumbled upon a Linux server with 4-year uptime :) Is it Linux? Prove to me it's 4 years. [root@pop2b root]# uname -a; date; uptime Linux pop2b.[deleted] 2.4.18-14 #1 Wed Sep 4 13:35:50 EDT 2002 i686 i686 i386 GNU/Linux Wed Jul 15 00:56:47 MYT [...]
Tagged Linux, uptimeThis is it! Google Chrome on Linux, tested on Ubuntu 9.04 :) Download Google Chrome from http://dev.chromium.org/getting-involved/dev-channel#TOC-Linux Install root@ubuntu:/tmp# dpkg -i google-chrome-unstable_current_i386.deb Selecting previously deselected package google-chrome-unstable. (Reading database ... 122351 files and directories currently installed.) Unpacking google-chrome-unstable (from google-chrome-unstable_current_i386.deb) ... Setting up google-chrome-unstable (3.0.192.0-r19969) ... Got it Screenshot For the list of files installed [...]
Tagged google-chromeThis is yet another my first time story collection whereby I successfully upgrading HP Proliant BL460c firmware from Linux. There are 3 firmwares to be upgraded; BIOS - System ROM, Lights-Out Management (aka iLO) and Storage Controller. This machine is running RHEL 5.2 and all of the firmwares were upgraded 'online' from operating system itself. [...]
Tagged bios-systemrom, bl460c, first-time-story, ilo, Linux, proliant, rhel-5, storage-controllerdmidecode and hpasmcli can be used to check HP Proliant System ROM (BIOS) version in Linux. In this example, I'm checking System ROM version of HP Proliant BL460c which is running RHEL 5.2, 1) dmidecode, provided by dmidecode package. # dmidecode 2.7 SMBIOS 2.4 present. 72 structures occupying 2245 bytes. Table at 0x000EE000. Handle 0x0000, [...]
Tagged bl460c, dmidecode, hpasmcli, Linux, proliantIndeed, Fedora 11 (codename: Leonidas) has been released. Thanks to Paul Frields for the announcement. For details, kindly look at the release notes and screenshot tour. Long live Fedora and Linux!
Tagged FedoraI received a task to determine the root cause of server downtime. According to the info, the server was suddenly hung, it is running RHEL 5.2 on a HP Proliant Blade. Operating System Info [root@localhost ~]# uname -a Linux localhost 2.6.18-92.el5 #1 SMP Tue Apr 29 13:16:15 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux [root@localhost ~]# [...]
Tagged asr, ilo, itrc, openipmi, proliant, rhel-5