Is sync still supported under openbsd or did it get dropped? On Tue, Sep 1, 2026 at 12:06 PM Nick Holland <[email protected]> wrote:
> On 8/31/26 12:49 PM, Kirill A. Korinsky wrote: > > On Mon, 31 Aug 2026 17:53:04 +0200, > > Nick Holland <[email protected]> wrote: > >> > >> There are some basic things you can do to keep your FFS2 file system > >> a bit "safer" -- a big one is separating writable space from read-only > >> space, and keeping the read-only space mounted, well, read-only. When > >> you need to update the data, remount RW, update, remount RO. > >> > > > > Why not use sync when? > > > > Again, the question is...how do you define "safe"? > > I'm not in a position to test, but I *suspect* a sync mount will > still have an fsck after a hard reboot. Even if the file system > is in better shape, > > Some advantages to RO go well beyond file system integrity, > including speed of recovery after a crash/power interruption > and some extra resistance to an administrative error, such as > rm -r *. > > Sure, if you can't read-only a file system, sync is better than > default. But in general, "safe" is going to be a complete design, > with a thorough examination of risks, consequences, costs, and > options, not just the choice of a file system-of-the-month. > > Nick. > > -- Phil Maker <[email protected]>, <[email protected]> <https://a-star-microgrid.com>, <https://iesconnect.net> phone: +61 (0) 439 223 469 TZ +9h30m ALT: remote email: <[email protected]>
