EC2: Initializing volumes

Length: 00:05:06

Lesson Summary: When restoring a volume from a snapshot, maximum volume performance is not achieved until all blocks on the device have been read. This lesson discusses initializing EBS volumes and when we should use it. The commands from the lesson are here:
sudo dd if=/dev/xvdf of=/dev/null bs=1M
sudo fio --filename=/dev/xvdf --rw=read --bs=128k --iodepth=32 --ioengine=libaio --direct=1 --name=volume-initialize


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