Re: mount softdep — does it improve the situation for unexpected shutdowns?

2023-11-05 Thread Geoff Steckel
I'm going to blame softdep: A long time ago when modifying large numbers of files   on a machine with limited memory suddenly:    the system became completely unresponsive,    the disk light was on solid    the poor little disk was rattling continuously. That went on for minutes. The same job on

Re: mount softdep — does it improve the situation for unexpected shutdowns?

2023-11-05 Thread Marc Espie
Not quite sure how much has been discussed publically, but we don't currently have the manpower to handle lots of complicated parts, and it seems that softdep, in its current state, needs the hand of Kirk McKusick to work. So the current strategy has been to make the moving parts simpler

Re: mount softdep — does it improve the situation for unexpected shutdowns?

2023-11-05 Thread Mike Fischer
Thanks! End of discussion ;-) (Except for a potential update of the man page.) Mike > Am 05.11.2023 um 19:39 schrieb Martin Schröder : > > Am So., 5. Nov. 2023 um 19:33 Uhr schrieb Mike Fischer > : >> However the default /etc/fstab does not make use of it. > >> From the 7.4 release notes: >

Re: mount softdep — does it improve the situation for unexpected shutdowns?

2023-11-05 Thread Martin Schröder
Am So., 5. Nov. 2023 um 19:33 Uhr schrieb Mike Fischer : > However the default /etc/fstab does not make use of it. >From the 7.4 release notes: -- Make the softdep mount(8) option a no-op. Softdep was a significant impediment to improving the vfs layer. -- Methinks

mount softdep — does it improve the situation for unexpected shutdowns?

2023-11-05 Thread Mike Fischer
OpenBSD 7.4 amd64 I have just noticed that mount(8) has a softdep option for FFS file systems. And I saw this: https://en.wikipedia.org/wiki/Soft_updates where OpenBSD is mentioned. However the default /etc/fstab does not make use of it. We have been discussing how to deal with unexpected