libvirt

KVM guests – compressed storages – enabling TRIM support on virtio disks.

Trim is commonly used as a way to notify SSD drive that some part of the data it holds is garbage and can be discarded, it extends SSD lifetime and releases otherwise reserved space on the disk. Turns out it’s not the only scenario where trim comes handy. Compression is a popular way to save on space usage when deploying virtual machines and it seems to be a good option… Read More »KVM guests – compressed storages – enabling TRIM support on virtio disks.