Re: [systemd-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Martin Wilck
On Tue, 2021-04-27 at 16:14 -0400, Ewan D. Milne wrote: > On Mon, 2021-04-26 at 13:16 +, Martin Wilck wrote: > > On Mon, 2021-04-26 at 13:14 +0200, Ulrich Windl wrote: > > > > > > > > > > > > > While we're at it, I'd like to mention another issue: WWID > > > > changes. > > > > > > > > This

Re: [systemd-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Ewan D. Milne
On Tue, 2021-04-27 at 20:33 +, Martin Wilck wrote: > On Tue, 2021-04-27 at 16:14 -0400, Ewan D. Milne wrote: > > > > There's no way to do that, in principle. Because there could be > > other I/Os in flight. You might (somehow) avoid retrying an I/O > > that got a UA until you figured out if

Re: [systemd-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Ewan D. Milne
On Mon, 2021-04-26 at 13:16 +, Martin Wilck wrote: > On Mon, 2021-04-26 at 13:14 +0200, Ulrich Windl wrote: > > > > > > > > > > While we're at it, I'd like to mention another issue: WWID > > > changes. > > > > > > This is a big problem for multipathd. The gist is that the device > > >

Re: [systemd-devel] Antw: [EXT] Re: [dm-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Ewan D. Milne
On Tue, 2021-04-27 at 12:52 +0200, Ulrich Windl wrote: > > > > Hannes Reinecke schrieb am 27.04.2021 um 10:21 > > > > in Nachricht > > <2a6903e4-ff2b-67d5-e772-6971db844...@suse.de>: > > On 4/27/21 10:10 AM, Martin Wilck wrote: > > > On Tue, 2021‑04‑27 at 13:48 +1000, Erwin van Londen wrote: > >

Re: [systemd-devel] A start job is running for /dev/gpt-auto-root

2021-04-27 Thread Arian van Putten
Hi all, In case anybody is interested. After some heavy debugging I was able to bisect the issue to the following pull request (which was backported to v247) https://github.com/systemd/systemd/pull/18802#issuecomment-827707662 . I left comments there on what broke. Thanks for the help either

Re: [systemd-devel] [dm-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Martin Wilck
On Tue, 2021-04-27 at 13:48 +1000, Erwin van Londen wrote: > > > > Wrt 1), we can only hope that it's the case. But 2) and 3) need work, > > afaics. > > > In my view the WWID should never change.  In an ideal world, perhaps not. But in the dm-multipath realm, we know that WWID changes can

[systemd-devel] Antw: [EXT] Re: [dm-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Ulrich Windl
>>> Hannes Reinecke schrieb am 27.04.2021 um 10:21 in Nachricht <2a6903e4-ff2b-67d5-e772-6971db844...@suse.de>: > On 4/27/21 10:10 AM, Martin Wilck wrote: >> On Tue, 2021‑04‑27 at 13:48 +1000, Erwin van Londen wrote: Wrt 1), we can only hope that it's the case. But 2) and 3) need work,

Re: [systemd-devel] [dm-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Hannes Reinecke
On 4/27/21 10:10 AM, Martin Wilck wrote: > On Tue, 2021-04-27 at 13:48 +1000, Erwin van Londen wrote: >>> >>> Wrt 1), we can only hope that it's the case. But 2) and 3) need work, >>> afaics. >>> >> In my view the WWID should never change.  > > In an ideal world, perhaps not. But in the

[systemd-devel] Antw: [EXT] Re: [dm-devel] RFC: one more time: SCSI device identification

2021-04-27 Thread Ulrich Windl
>>> Erwin van Londen schrieb am 27.04.2021 um 05:48 >>> in Nachricht : > > On Mon, 2021-04-26 at 13:16 +, Martin Wilck wrote: >> On Mon, 2021-04-26 at 13:14 +0200, Ulrich Windl wrote: >> > > > >> > > >> > > While we're at it, I'd like to mention another issue: WWID >> > > changes. >> > >