Archive for the tag 'iSCSI'



May 16 2021

MySQL / PostgreSQL on iSCSI Fail to Start at Boot

Published by under Linux,Mysql,Postgresql

You are hosting Mysql or PostgreSQL data directory on iSCSI disks but the service fails to start at server’s boot. The service does not find the directory. However, you can start the service manually if you log on the server once SSH is available. These are logs for Mariadb but they would be similar for […]

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Feb 23 2011

MSA 2012i SAN Performance Windows vs Linux

Published by under Storage

I’ve noticed backups are getting slower and slower over time going from 500 to 2500MB/min throughput. I run backups on 2 dedicated RAID0 disks hosted on a iSCSI MSA array first, and duplicate them on tapes. Since I want to use the same array for a new database project, I want to measure and tune […]

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Jan 14 2011

Multipath on iSCSI Disks and LVM Partitions on Linux

Published by under Linux,Storage

Here are a few steps to configure iSCSI disks on Linux. Although I set this up on a Redhat Enterprise connected to an HP MSA 2012i, the whole configuration remains generic and can be applied to any SAN.I will add another post to check how both Linux and Windows perform on the same iSCSI device, […]

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Sep 28 2009

TCP Offload

Published by under Windows

TCP Offload Engine (or TOE) transfers network processing load, from the CPU (software) to the network controller (hardware). The network card needs to support TOE such as the HP NC382T. This functionnality is disabled after the server installation.   Check if TOE is enabled   Windows 2003 The activation can only be checked with the […]

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