RHEL 4 / Centos 4 on VMware ESX 2.1

Byetzion 09/07/2006

While trying to install RHEL 4 on VMware ESX 2.1 I’ve had the pleasure of seeing Linux installation which was unable to detect disks.

A quick search in VMware’s web site resulted in a download page for RHEL 4 Update 2, which, unfortunately, wasn’t the version I was using.

Before running around and searching the nearest download of RHEL 4 Update 2, I’ve noticed that VMware configuration for each virtual machine defines vxmbuslogic SCSI adapter which requires, as it appears, special driver for Linux RHEL 4. However, changing the adapter to vmxlsilogic solved the issue, and required no special Linux driver.

Clusters | Disk Storage | Linux | Scripting/Programming

Oracle RAC with EMC iSCSI Storage Panics

Byetzion 14/10/2008

I have had a system panicking when running the mentioned below configuration: RedHat RHEL 4 Update 6 (4.6) 64bit (x86_64) Dell PowerEdge servers Oracle RAC 11g with Clusterware 11g EMC iSCSI storage EMC PowerPate Vote and Registry LUNs are accessible as raw devices Data files are accessible through ASM with libASM During reboots or shutdowns,…

Disk Storage | Linux

HP ML110 G3 and Linux Centos 4.3 / RHEL 4 Update 3

Byetzion 30/05/2006

Using the same installation server as before, my laptop, I was able to install Linux Centos 4.3, with the addition of HP’s drivers for Adaptec SATA raid controller, on my new HP ML110 G3. Using just the same method as before, when I’ve installed Centos 4.3 on IBM x306, but with HP drivers, I was…

Linux

Installing RHEL4 on HP DL140 G3 with the embedded RAID enabled

Byetzion 06/07/2007

While DL140 G3 is quite a new piece of hardware, RHEL4, even with the later updates, is rather old. When you decide to install RHEL4 on a DL140 G3 server, my first recommendation is this: if you decide to use the embedded SATA-II RAID controller – don’t. This is a driver-based RAID, much like the…

bash | Disk Storage | Linux

Preventing AutoFS from slowing down the system

Byetzion 15/04/202415/04/2024

I am using autofs (or automout) to handle shares presented on an NFS server I am using. When I am not home, or when the server is inaccessible, I do not want to be delayed by autofs failure to mount. This failure could take a long while, causing Autofs delay mount. During that time –…

General Hardware | Linux | Scripting/Programming

New version of Cacti, and using spine

Byetzion 21/01/2008

A while ago, a newer version of Cacti became available through Dag’s RPM repository. An upgrade went without any special events, and was nothing to write home about. A failure in one of my customer’s Cacti system lead me to test the system using “spine” – the “cactid” new generation. I felt as if it…

bash | Disk Storage | Linux | Scripting/Programming

Relocating LVs with snapshots

Byetzion 02/02/2009

Linux LVM is a wonderful thing. It is scalable, flexible, and truly, almost enterprise-class in every details. It lacks, of course, at IO performance for LVM snapshots, but this can be worked-around in several creative ways (if I haven’t shown here before, I will sometime). What it can’t do is dealing with a mixture of…

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