Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2018-12-07 Thread Steve McIntyre
On Fri, Dec 07, 2018 at 10:11:02AM -0500, Lennart Sorensen wrote: >On Fri, Dec 07, 2018 at 12:22:38AM +, Steve McIntyre wrote: >> I've no idea why he things this is a regression. But this is something >> we should probably change anyway - installing on RAID is pointlessly >> slow here unless

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2018-12-07 Thread Lennart Sorensen
On Fri, Dec 07, 2018 at 12:22:38AM +, Steve McIntyre wrote: > I've no idea why he things this is a regression. But this is something > we should probably change anyway - installing on RAID is pointlessly > slow here unless you know how to work around it. And it's been that > way since

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2018-12-06 Thread Steve McIntyre
On Fri, Dec 07, 2018 at 01:17:43AM +0100, Cyril Brulebois wrote: >Steve McIntyre (2018-12-06): >> On Sat, Jun 24, 2017 at 09:01:49PM +0200, Cyril Brulebois wrote: >> >I'm not sure it would be a good idea to stick a hardcoded value there, >> >even if we were to lower the available bandwidth… Too

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2018-12-06 Thread Cyril Brulebois
Steve McIntyre (2018-12-06): > On Sat, Jun 24, 2017 at 09:01:49PM +0200, Cyril Brulebois wrote: > >I'm not sure it would be a good idea to stick a hardcoded value there, > >even if we were to lower the available bandwidth… Too many different > >cases, be it about actual hardware, disk sizes, etc.

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2018-12-06 Thread Steve McIntyre
On Thu, Dec 06, 2018 at 11:09:01PM +, Steve McIntyre wrote: >[ Responding to this old bug, prompted by discussion in #debian-boot > tonight ] > >On Sat, Jun 24, 2017 at 09:01:49PM +0200, Cyril Brulebois wrote: >>Hi Baptiste, >> >>Baptiste Jonglez (2016-09-21): >>> When creating a RAID1 array

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2018-12-06 Thread Steve McIntyre
[ Responding to this old bug, prompted by discussion in #debian-boot tonight ] On Sat, Jun 24, 2017 at 09:01:49PM +0200, Cyril Brulebois wrote: >Hi Baptiste, > >Baptiste Jonglez (2016-09-21): >> When creating a RAID1 array in the debian-installer and using it for >> the installation, mdadm

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2017-11-27 Thread Philip Hands
On Mon, 27 Nov 2017, Mikhail Zakharenko 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

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2017-11-27 Thread Mikhail Zakharenko
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 regards Mikhail Zakharenko

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2017-06-24 Thread Cyril Brulebois
Hi Baptiste, Baptiste Jonglez (2016-09-21): > When creating a RAID1 array in the debian-installer and using it for > the installation, mdadm immediately starts syncing the disks of the > RAID array. > > This is a bad idea, because the subsequent install will be really

Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation

2016-09-21 Thread Baptiste Jonglez
Package: debian-installer Version: 20160630 When creating a RAID1 array in the debian-installer and using it for the installation, mdadm immediately starts syncing the disks of the RAID array. This is a bad idea, because the subsequent install will be really slow on rotational disks (linear disk