November 2017
Intermediate to advanced
494 pages
14h 29m
English
Content preview from Mastering Proxmox - Third Edition
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Issue – VM disk images stored on ZFS is extremely slow
If the VM disk images are stored on ZFS storage, which is configured as RAIDZ3, the VMs will suffer a big performance loss. Especially if the ZFS loses a drive and it goes into data rebalancing, the load on the storage will make the VM almost unusable. When using ZFS, the RAID10 will provide the best performance possible from ZFS storage. RAID10 will have paired vdevs where data will be mirrored and then will be stripped among multiple vdevs. One drawback of using RAID10 is it provides half of the disk capacity of the total number of drives. For example, if 20 2 TB drives are used in a RAID10 ZFS configuration, then the usable space will only be 20 TB. For a non-critical node such as ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.