Re: Debian Graphical Installer: why does it format swap?
On Sun, 5 Jan 2020 19:22:58 +0100
Pascal Hambourg <pascal@plouf.fr.eu.org> wrote:
> Le 05/01/2020 à 18:50, Joe a écrit :
> >
> > Windows uses a swap file, not a separate partition. We are told that
> > there is no performance penalty for Linux to do so also.
>
> Using a swap file can cause a performance penalty if the file is
> heavily fragmented. Granted, it also applies to a fragmented LVM
> logical volume, but the granularity is bigger (4 MiB extents for LVM
> vs 4 KiB for usual filesystem blocks). Also, not all filesystems
> support swap files properly. For those which don't, you can still use
> a swap file through a loop device, but this will cause a performance
> penalty and I doubt it is supported in /etc/fstab.
>
> > As far as I can recall, the expert system allows you to designate
> > existing partitions to be used or not, and also whether to reformat
> > them.
>
> This has nothing to do with the expert install but with the manual
> partitioning, which is also available in the standard install.
>
OK, I stand corrected, I haven't used a standard install in many years,
not since it failed to find a DHCP server (I wasn't using one then) and
left me with no network interfaces but lo.
--
Joe
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