Re: [systemd-devel] consider dropping defrag of journals on btrfs

2021-01-26 Thread Chris Murphy
On Tue, Jan 5, 2021 at 10:04 AM Chris Murphy wrote: > > f27a386430cc7a27ebd06899d93310fb3bd4cee7 > journald: whenever we rotate a file, btrfs defrag it > > Since systemd-journald sets nodatacow on /var/log/journal the journals > don't really fragment much. I typically see 2-4 extents for the l

Re: [systemd-devel] What exactly is multi-seat? -- questions about logind

2021-01-26 Thread Kian Kasad
On 21/01/26 11:45AM, Lennart Poettering wrote: > On Di, 26.01.21 01:43, Kian Kasad (k...@kasad.com) wrote: > > > Hi all, > > > > After reading the documentation on logind and multi-seat (specifically > > sd-login(3) and "Multi-Seat on Linux"), I still have some questions. > > > > First of all, wha

Re: [systemd-devel] What exactly is multi-seat? -- questions about logind

2021-01-26 Thread Kian Kasad
On 21/01/26 02:06PM, Pekka Paalanen wrote: > On Tue, 26 Jan 2021 01:43:43 -0800 > Kian Kasad wrote: > > > Hi all, > > > > After reading the documentation on logind and multi-seat (specifically > > sd-login(3) and "Multi-Seat on Linux"), I still have some questions. > > > > First of all, what ex

Re: [systemd-devel] Questions about systemd's "root storage daemon" concept

2021-01-26 Thread Martin Wilck
On Tue, 2021-01-26 at 11:30 +0100, Lennart Poettering wrote: > > > Imagine two parallel instances of systemd-udevd (IMO there are > > reasons > > to handle it like a "root storage daemon" in some distant future). > > Hmm, wa? naahh.. udev is about dicovery it should not be required to > maintain

Re: [systemd-devel] Questions about systemd's "root storage daemon" concept

2021-01-26 Thread Lennart Poettering
On Di, 26.01.21 13:30, Martin Wilck (mwi...@suse.com) wrote: > On Tue, 2021-01-26 at 11:30 +0100, Lennart Poettering wrote: > > > > > Imagine two parallel instances of systemd-udevd (IMO there are > > > reasons > > > to handle it like a "root storage daemon" in some distant future). > > > > Hmm, w

Re: [systemd-devel] What exactly is multi-seat? -- questions about logind

2021-01-26 Thread Pekka Paalanen
On Tue, 26 Jan 2021 01:43:43 -0800 Kian Kasad wrote: > Hi all, > > After reading the documentation on logind and multi-seat (specifically > sd-login(3) and "Multi-Seat on Linux"), I still have some questions. > > First of all, what exactly is multi-seat? Does it just mean allowing > multiple se

Re: [systemd-devel] What exactly is multi-seat? -- questions about logind

2021-01-26 Thread Simon McVittie
On Tue, 26 Jan 2021 at 01:43:43 -0800, Kian Kasad wrote: > First of all, what exactly is multi-seat? Does it just mean allowing > multiple sessions to be running at once, like for multiple users to be > logged into the same desktop, even though only one will be in use at a > time? No, that's "fast

Re: [systemd-devel] nspawn+networkd sometimes fail to configure IPv6 properly

2021-01-26 Thread Kevin P. Fleming
While debugging a different problem (which I'll report in an issue in the GitHub repo), I found something which appears to be the underlying cause. I rebooted a machine which has five nspawn containers, all configured identically for networking (except for addresses, of course). Immediately after

Re: [systemd-devel] What exactly is multi-seat? -- questions about logind

2021-01-26 Thread Lennart Poettering
On Di, 26.01.21 01:43, Kian Kasad (k...@kasad.com) wrote: > Hi all, > > After reading the documentation on logind and multi-seat (specifically > sd-login(3) and "Multi-Seat on Linux"), I still have some questions. > > First of all, what exactly is multi-seat? Does it just mean allowing > multiple

Re: [systemd-devel] What exactly is multi-seat? -- questions about logind

2021-01-26 Thread Reindl Harald
Am 26.01.21 um 10:43 schrieb Kian Kasad: Hi all, After reading the documentation on logind and multi-seat (specifically sd-login(3) and "Multi-Seat on Linux"), I still have some questions. First of all, what exactly is multi-seat? Google "systemd multiseat" links to https://www.freedeskt

Re: [systemd-devel] Questions about systemd's "root storage daemon" concept

2021-01-26 Thread Lennart Poettering
On Di, 26.01.21 01:19, Martin Wilck (mwi...@suse.com) wrote: > On Mon, 2021-01-25 at 18:33 +0100, Lennart Poettering wrote: > > > > Consider using IgnoreOnIsolate=. > > > > I fail to make this work. Installed this to the initrd (note the > ExecStop "command"): > > [Unit] > Description=NVMe Even

Re: [systemd-devel] Questions about systemd's "root storage daemon" concept

2021-01-26 Thread Lennart Poettering
On Mo, 25.01.21 19:04, Martin Wilck (mwi...@suse.com) wrote: > Is there any way for the daemon to get notified if root is switched? /proc/self/mountinfo sends out notification events via inotify when mounts are established/removed. I am pretty sure pivot_root() also generates that. Your daemon co

[systemd-devel] What exactly is multi-seat? -- questions about logind

2021-01-26 Thread Kian Kasad
Hi all, After reading the documentation on logind and multi-seat (specifically sd-login(3) and "Multi-Seat on Linux"), I still have some questions. First of all, what exactly is multi-seat? Does it just mean allowing multiple sessions to be running at once, like for multiple users to be logged in