• Sat. Feb 27th, 2021

Month: September 2014

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  • ZFS: Fun with ZFS – is compression and deduplication useful for my data and how much memory do I need for zfs dedup?

ZFS: Fun with ZFS – is compression and deduplication useful for my data and how much memory do I need for zfs dedup?

It is widely know that ZFS can compress and deduplicate. The deduplication works across the pool level and removes duplicate data blocks as they are written to disk. This results…

Xenserver: Changing poolmaster when old poolmaster is not available

Scenario, a 2 node XenServer Cluster with HA. In general, one node is assigned a pool master to which for example the XenCenter is going to connect to. Now exactly…

Xenserver: failed disk move / cannot delete vdi because of being assigned to control domain

Situation: A move of a VM failed and left me with the VDI (Virtual Disk) and the VM on the old “location” and a VDI on the designated new location (something…