On 12/19/22 12:13, Richard Shaw wrote:
On Mon, Dec 19, 2022 at 2:10 PM Samuel Sieb <sam...@sieb.net
<mailto:sam...@sieb.net>> wrote:
On 12/19/22 11:58, Neal Becker wrote:
> I've just installed f37 on a new lenovo x1 carbon.
> One thing, the installation didn't setup any swap (other than zswap).
>
> After a bit of reading I found
> sudo btrfs filesystem mkswapfile -s 32G /swapfile
> But:
> sudo swapon -v /swapfile
> swapon: /swapfile: found signature [pagesize=4096, signature=swap]
> swapon: /swapfile: pagesize=4096, swapsize=1073741824,
devsize=34359738368
>
> Although I created 32G swapfile, only 1G is used.
> swapon
> NAME TYPE SIZE USED PRIO
> /dev/zram0 partition 8G 6.3M 100
> /swapfile file 1024M 0B -2
>
>
> What's wrong?
Something is wrong with how it creates the swap format. Just run
"mkswap /swapfile" and it will be fine.
Not quite, without the chattr +C it will still perform COW file
operations which you don't want on large files.
It's still the same device that was created by the btrfs tool. I just
ran the mkswap formatting tool to fix the swap size.
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