Why ZFS?
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I've been wondering if I should use ZFS for my pfSense setup. I've been using UFS for the past 10 years or so (since v1 something) and that has been working fine. Currently on 2.6. What are the pro's and con's of changing?
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Better data integrity.
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@gus642 ZFS should be better at handling power cuts.
If using Plus it allows for Boot Environments which has some perks like being able to revert versions (permanently or temporarily), revert a failed upgrade by pulling power (to reboot back to the configured BE...find the Netgate YouTube video) etc.
The main "cons" are the ZFS ARC cache will use available RAM (and give it up when needed), and that you need to reinstall and restore from backup to convert.
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Meant to add, I think the BE/snapshots can be done via the command line in pfSense CE. Pretty sure I saw a post from Netgate about that at one point.