Showing posts with label LVM. Show all posts
Showing posts with label LVM. Show all posts

Upgrade Microsoft Hyper-V Linux IC from 3.3 to 3.4

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Recently I had to upgrade the integration components on a lot of CentOS virtual systems running on a Hyper-V failover cluster. During the upgrade procedure I faced a couple of things, which I'd like you to be aware of. The version on the guest VM is CentOS 6.3, the Hyper-V failover cluster is running under Windows Server 2008 R2 SP1 and consists of 6 nodes.

Below is the output of LVM related commands before starting the upgrade of Linux IC:

Extending a LVM partition in a Hyper-V guest VM running CentOS

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Imagine a scenario like the following: you have a Hyper-V host and a CentOS 6.3 guest. The CentOS guest has Microsoft Integration Services for Linux 3.3 installed and running. A data file system on the guest is running out of the free space:

[root@myhost ~]# df -h /data/svn/
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/data-svn   99G   93G  964M  99% /data/svn


Although the partition is a part of LVM, but your entire disk is almost full. In the article I'd like to show how you can get rid of this without getting your services offline.