Re: F33: preview swap-on-ZRAM using zram-generator feature change

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On Thu, Jul 9, 2020 at 5:33 AM Vendula Poncova <vponcova@xxxxxxxxxx> wrote:
> On Thu, Jul 9, 2020 at 4:26 AM Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote:
>> Hi,
>> I am confused. For default partitioning, the idea is to no longr
>> create a swap partition, instead there will be both zram-generator and
>> zram-generator-defaults packages, which will cause a swap on
>> /dev/zram0 to be created during early boot.
>> When I look in all of the ks files
>> that contain 'autopart' also contain '--noswap'. Yet Workstation
>> edition and others, do have a swap partition created. Suggestions?
> Hi,
> the kickstart files from fedora-kickstarts are used for Fedora release images. They don't define the default partitioning of new installations. Is there a problem with the partitioning on these images?
> Default partitioning of new installations is defined in Anaconda:

OK, that about sums up my confusion. :)

> The change seems to be approved. Can I open a pull request for the changes in the Anaconda configuration files?

Yes please, that will certainly save me more embarrassment.

One item I haven't worked through yet is how 'inst.zram' should
inhibit the zram-generator. The generator runs during early boot.

My current thinking is 'inst.zram' can just 'systemctl stop
swap-create@zram0.service' since it will exist already. In that case
it could optionally be renamed to 'inst.nozram'. What do you think?

I think the timing of the changes isn't very critical. If the release
images have zram-generator first, it will run sooner and the Anaconda
implementation will fail (error messages in logs, but otherwise
non-fatal). Whereas if the Anaconda implementations go away first, the
lack of swap on zram in low memory situations might cause problems.

Chris Murphy

Anaconda-devel-list mailing list

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