Fa Yoeu wrote:
LVM is great, but it does have some drawbacks. If you crash your system, it won't come backI would highly recommend that you using LVM. Many people who are not using LVM are kicking themselves for it later on. The benefits of LVM is that is relatively easy to setup and can be expanded without migration or data loss if you need more space in the future. If you need to migrate the data off your 80g, I suggest that you LVM your 200g, copy the data, over, then expand your lvm group for your 200g to include your 80g. The docs are on the myth site and it is REALLY easy. I would not suggest LVMing your root partition or whatever you put your OS on since that will require more work, just use LVM for your myth storage.
without a manual fsck. And it's typically not possible to go backwards in size. IE, you can expand your system to encompass your new 200G hard drive, but when it crashes in a couple years and you need to swap hard drives, most decent filesystems you can use on lvm won't let you dial your
filesystem back down to a 100G and pull the failed unit back out. So you can only expand, not shrink.
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