Why swap memory is higher than real entered number?
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Then that's why. You have swap on each disk, total is double.
It doesn't mirror swap, no need to do that.
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Is it recommended to mirror swap or leave as double?
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There is zero reason to mirror swap. It is not important data. It is temporary and volatile. Mirroring would slow swap down even more than it already is. Leave it as separate swap slices and keep it double.
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Thank you very much for your clear answer.
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I looked at carefully. Dashboard shows 4GB of swap memory, while top and swapinfo commands show 8GB of swap memory.
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That's very odd. They should be both showing 4GB, no?
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Are you on 2.4.4? Until 2.4.4, it did not count all swap partitions on the dashboard widget -- https://redmine.pfsense.org/issues/8587
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I am using 2.4.3p1 version. It has been fixed in 2.4.4 release?
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Yes, it has been fixed on 2.4.4. Follow the link I put above and you'll see.
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Thank you very much.
