Switching to a new filesystem is never a task that is done with a light heart. We have our own trusted good old filesytem, that has maybe limits in features and performance, but has never let us down. New filesystems are available, and they promise wonderful things. But as much as we are fascinated by them, the big Q “Should I trust it?” comes to mind when we just start thinking about moving to a new filesystem. In Linux, this question arises everytime BTRFS is involved.
Category: Tech
Everything tech: deepdive on the most important technologies, tips and tricks for everyday’s work, tutorial, step-by-step guides, videos and manuals.
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Migrate from VMware tools to open-vm-tools in CentOS
In 2012 I wrote a blog post that became really popular: Installing VMware tools on Centos 6 via yum. Few years forward, and today the preferred tools are the open sourced ones available natively in many linux package managers. So, some may think to switch from one version to the other one for their existing virtual machines. That’s what I’ve done in some of my virtual machines, and here is the process.
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Use updated kernel in CentOS 7
CentOS is known for not using the latest versions of the Linux kernel. If you need up-to-date versions, you need to configure the OS to use different repositories.
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How can you test 1000 VMs with Veeam SureBackup?
If you have a large environment that is constantly changinh, you may want some automation to test VMs every day with Veeam SureBackup. Here’s a solution to do so.
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An example of Veeam Scale-Out Backup Repository mixing whitebox servers
Since Veeam announced the Scale-Out Backup Repository technology coming in Veeam Backup & Replication v9, I’ve been asked already multiple times to give some practical examples on how to leverage it. Let’s see together one interesting way to leverage the “performance” policy available in Scale-Out Backup Repository.
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Protecting NFS storage on vSphere using Veeam virtual proxies
If you want to backup virtual machines running on an NFS storage in vSphere using virtual proxies, Veeam has a dedicated registry key to protect you from NFS locks.
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Image-level backups can be done even without CBT
Lately, different bugs involving VMware CBT in vSphere 6 have created some justified concerns among users. But there are ways to guarantee successful backups even in these conditions.
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Veeam Backup & Replication v9: the new Per-VM backup chains
One of the features coming in Veeam Backup & Replication v9 is per-VM backup chains.This great addition was in between a general announcement related to other backup storage improvements; in case you missed it, here we go with a dedicated post, because this feature is going to be great!