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Running Systems

(and me chasing them)

Running Systems
Running Systems
(and me chasing them)

hot resize

Disk Storage | Linux

Extend /boot from within a Linux system

Byetzion 27/03/202127/03/2021

This is a tricky one. In order to resize /boot, which is, commonly the first partition, you need to push forward the beginning of the next partition. This is not an easy task, especially if you are not using LVM – then you have to use external partitioning modification tools, like PQMagic (if it still…

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Disk Storage | Linux

targetcli extend fileio backend

Byetzion 03/04/202003/04/2020

I am working on an article which will describe the procedures required to extend LUN on Linux storage clients, with and without use of multipath (device-mapper-multipath) and with and without partitioning (I tend to partition storage disks, even when this is not exactly required). Also – it will deal with migration from MBR to GPT…

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Clusters | Disk Storage | Oracle

Reduce Oracle ASM disk size

Byetzion 21/01/202021/01/2020

I have had a system with Oracle ASM diskgroup from which I needed some space. The idea was to release some disk space, reduce the size of existing partitions, add a new partition and use it – all online(!) This is a grocery list of tasks to do, with some explanation integrated into it. Overview…

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Disk Storage | Linux

Hot resize Multipath Disk – Linux

Byetzion 19/08/2011

This post is for the users of the great dm-multipath system in Linux, who encounter a major availability problem when attempting a resize of mpath devices (and their partitions), and find themselves scheduling a reboot. This documented is based on a document created by IBM called “Hot Resize Multipath Storage Volume on Linux with SVC”,…

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