Re: Softdep and noatime

2019-12-03 Thread Raf Czlonka
On Tue, Dec 03, 2019 at 11:25:23AM GMT, Stuart Henderson wrote: > On 2019-11-30, Raymond, David wrote: > > I am switching to OpenBSD from Linux and I have questions about the > > use of softdep and noatime in mounting disks. I have a variety of > > systems with a mix of SS

Re: Softdep and noatime

2019-12-03 Thread Stuart Henderson
On 2019-11-30, Raymond, David wrote: > I am switching to OpenBSD from Linux and I have questions about the > use of softdep and noatime in mounting disks. I have a variety of > systems with a mix of SSDs and rotating disks. > > Softdep seems to have some advantages in speeding f

Re: Softdep and noatime

2019-12-03 Thread Stuart Henderson
On 2019-12-02, Steve Litt wrote: > I mount everything noatime because I don't care at all about access > time, I care about modification time. Access time can be useful in forensics and debugging ("when was program X last used? when was this file last opened?") but often you won't know until afte

Re: Softdep and noatime

2019-12-01 Thread Steve Litt
On Sat, 30 Nov 2019 18:10:37 +0100 Tomasz Rola wrote: > On Sat, Nov 30, 2019 at 06:12:42AM -0700, Raymond, David wrote: > [...] > > On SSDs in particular, is it worth setting noatime to reduce the > > number of disk writes? > [...] > > I wonder what other will say about this, but I mount every

Re: Softdep and noatime

2019-12-01 Thread Nick Holland
On 2019-11-30 08:12, Raymond, David wrote: > I am switching to OpenBSD from Linux and I have questions about the > use of softdep and noatime in mounting disks. I have a variety of > systems with a mix of SSDs and rotating disks. > > Softdep seems to have some advantages in speed

Re: Softdep and noatime

2019-11-30 Thread Tomasz Rola
On Sat, Nov 30, 2019 at 09:20:37PM +0100, Xianwen Chen (陈贤文) wrote: > Dear Mr. Rola, > > > I wonder what other will say about this, but I mount everything as > > noatime, since more than a decade, spinning or not. I assume this may > > Do you mount swap as noatime too, I'm curious? > > Yours sin

Re: Softdep and noatime

2019-11-30 Thread Bodie
On 30.11.2019 14:12, Raymond, David wrote: I am switching to OpenBSD from Linux and I have questions about the use of softdep and noatime in mounting disks. I have a variety of systems with a mix of SSDs and rotating disks. Softdep seems to have some advantages in speeding file access, but

Re: Softdep and noatime

2019-11-30 Thread 陈贤文
Dear Mr. Rola, > I wonder what other will say about this, but I mount everything as > noatime, since more than a decade, spinning or not. I assume this may Do you mount swap as noatime too, I'm curious? Yours sincerely, Xianwen

Re: Softdep and noatime

2019-11-30 Thread Jan Stary
On Nov 30 06:12:42, david.raym...@nmt.edu wrote: > On SSDs in particular, is it worth setting noatime to reduce the > number of disk writes? noatime is worth setting on filesystems where you don't care about atime (a mail client might care about the atime of your /var/mail/mbox, for instance). SS

Re: Softdep and noatime

2019-11-30 Thread Marcus MERIGHI
Hello, david.raym...@nmt.edu (Raymond, David), 2019.11.30 (Sat) 14:12 (CET): > I am switching to OpenBSD from Linux and I have questions about the > use of softdep and noatime in mounting disks. I have a variety of > systems with a mix of SSDs and rotating disks. > > Softdep see

Re: Softdep and noatime

2019-11-30 Thread Tomasz Rola
On Sat, Nov 30, 2019 at 06:12:42AM -0700, Raymond, David wrote: [...] > On SSDs in particular, is it worth setting noatime to reduce the > number of disk writes? [...] I wonder what other will say about this, but I mount everything as noatime, since more than a decade, spinning or not. I assume th

Softdep and noatime

2019-11-30 Thread Raymond, David
I am switching to OpenBSD from Linux and I have questions about the use of softdep and noatime in mounting disks. I have a variety of systems with a mix of SSDs and rotating disks. Softdep seems to have some advantages in speeding file access, but it is not the default. Are there any downsides