Re: swap at beginning or end of ssd disk?

On Sun, Jun 16, 2024, 8:30 AM void <void@f-m.fm> wrote:

> Should the swap partition(s) be installed at the start or the
> end of the (ssd) disk? Or does it matter? The filesystem is ufs.
>

Doesn't matter, but make it at least 1mb aligned. This advice will change
in the future to 4 or 16mb, so it wouldn't hurt to do that now. Looks like
you've done that.

If the size of the ssd can change (new ssd disks, fancy ones, etc), the
beginning is better.

Warner

The partition table looks like this right now
>
> # gpart show da0
> =>        63  1953525105  da0  MBR  (932G)
>            63        1985       - free -  (993K)
>            2048      102400    1  fat32lba  [active]  (50M)
>            104448  1953420720    2  freebsd  (931G)
>
> # cat /etc/fstab
> # Custom /etc/fstab for FreeBSD embedded images
> /dev/ufs/rootfs         /               ufs     rw,noatime              1
>      1
> /dev/msdosfs/EFI                /boot/efi       msdosfs rw,noatime      0
>      0
> tmpfs                   /tmp            tmpfs   rw,mode=1777            0
>      0
> /dev/label/growfs_swap  none            swap    sw                      0
>      0
> md                      none            swap    sw,late,file=/usr/swap0 0
>      0
>
> I plan on saving the disk image onto another machine first,
> re-partitioning the ssd
> then copying back the freebsd part of the image. The purpose is to
> eliminate growfs_swap
> and the md based swap. I'm thinking partition-based swap will be quicker
> even on ssd.
>
> Is this correct?
> --
>
>