On Mon, 27 Nov 2017, Mikhail Zakharenko <mikhail.zakharenko@gmail.com> wrote: > Hi Cyril! > > Could You provide preseed variable for "dev.raid.speed_limit_max" sysctl > setting? > I want to adjust it to near acceptable value around 50Mbytes per second, > because RAID 1 installation is really slow now This seems like a bit of a kludge to me. Do dpkg pre and post hooks work in the context of d-i? If so, could we not just have a hook for dpkg install that tunes the max setting down low to avoid the conflict, and turn it back up again afterwards? I suspect that that would not result in a significant slow-down of the sync, while getting rid of the performance issue. To address the concern about leaving people with still-sync-ing systems post-reboot (which is not actually prevented by the status quo, I note) we could add an extra progress screen near the end of the install. It could track the progress of any remaining md sync (if any), while pointing out that cancelling out of the screen will do no harm, and will only mean that the sync that one is waiting for is going to be completed post reboot. A preseed variable to allow always skipping past that progress screen would seem like a reasonable thing to have, if we did all the above. Cheers, Phil. -- |)| Philip Hands [+44 (0)20 8530 9560] HANDS.COM Ltd. |-| http://www.hands.com/ http://ftp.uk.debian.org/ |(| Hugo-Klemm-Strasse 34, 21075 Hamburg, GERMANY
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