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Re: [Linux-cluster] gfs2 v. zfs?



Wendy Cheng wrote:

GFS2 fragments very soon and very badly ! Its blocks are all over the device due to the nature of how the resource group works. That slows down *every* thing, particularly for backup applications. A production deployment will encounter this issue very soon and they'll find the issue more than annoying.

While I don't disagree that it's a problem, most people will use GFS and similar FS-es on a SAN. A typical SAN will allocate sparse files for backing the block device. That means it'll be badly fragmented very quickly on the back end regardless of what the FS does.

Gordan


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