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Avoiding constant HDD access
2018 Nov 07
3
Avoiding constant HDD access
...ing that Samba during idle periods is constantly (every minute) writing to HDD (maybe doing some journaling?) what causes the HDD to constantly spin and never standby: root at rpi:~# pidstat -dl 20 Linux 4.4.50-v7+ (localhost) 11/07/2018 _armv7l_ (4 CPU) 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command 04:10:28 AM 0 832 0.00 0.20 0.20 0 /usr/sbin/smbd -D 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command 04:11:28 AM 0 832 0.00 0.20 0.20 0 /usr/sbin/smbd -D 04:12:08 AM UID PID kB_rd...
Avoiding constant HDD access
2018 Nov 08
3
Avoiding constant HDD access
...wrote: > >  > > Yes, but it isn't doing a read, it is trying to do a write and then > > being cancelled. > > Rowland, > > Can you point us as the evidence that leads you to that conclusion?  OK, the OP posted lines like these: 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command 04:11:28 AM 0 832 0.00 0.20 0.20 0 /usr/sbin/smbd -D And from 'man pidstat' kB_rd/s Number of kilobytes the task has caused to be read from disk per second. kB_wr/s Number of kilobytes the task has caused, or shall caus...
Avoiding constant HDD access
2018 Nov 07
2
Avoiding constant HDD access
...minute) writing to HDD >> (maybe doing some journaling?) what causes the HDD to constantly spin >> and never standby: >> >> root at rpi:~# pidstat -dl 20 >> Linux 4.4.50-v7+ (localhost) 11/07/2018 >> _armv7l_ (4 CPU) >> 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command >> 04:10:28 AM 0 832 0.00 0.20 0.20 >> 0 /usr/sbin/smbd -D >> 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command >> 04:11:28 AM 0 832 0.00 0.20 0.20 >> 0 /usr/sbin/smbd -D >&...
Avoiding constant HDD access
2018 Nov 07
2
Avoiding constant HDD access
...writing to HDD > > (maybe doing some journaling?) what causes the HDD to constantly spin > > and never standby: > > > > root at rpi:~# pidstat -dl 20 > > Linux 4.4.50-v7+ (localhost) 11/07/2018 > > _armv7l_ (4 CPU) > > 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command > > 04:10:28 AM 0 832 0.00 0.20 0.20 > > 0 /usr/sbin/smbd -D > > 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command > > 04:11:28 AM 0 832 0.00 0.20 0.20 > > 0 /usr/sbin/smbd -D...
Avoiding constant HDD access
2018 Nov 07
2
Avoiding constant HDD access
...t causes the HDD to constantly > > > > spin and never standby: > > > > > > > > root at rpi:~# pidstat -dl 20 > > > > Linux 4.4.50-v7+ (localhost) 11/07/2018 > > > > _armv7l_ (4 CPU) > > > > 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > > > > Command 04:10:28 AM 0 832 0.00 0.20 0.20 > > > > 0 /usr/sbin/smbd -D > > > > 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > > > > Command 04:11:28 AM 0 832 0.00 0.20...
Avoiding constant HDD access
2018 Nov 07
0
Avoiding constant HDD access
...eriods is constantly (every minute) writing to HDD > (maybe doing some journaling?) what causes the HDD to constantly spin > and never standby: > > root at rpi:~# pidstat -dl 20 > Linux 4.4.50-v7+ (localhost) 11/07/2018 > _armv7l_ (4 CPU) > 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command > 04:10:28 AM 0 832 0.00 0.20 0.20 > 0 /usr/sbin/smbd -D > 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command > 04:11:28 AM 0 832 0.00 0.20 0.20 > 0 /usr/sbin/smbd -D > 04:12:08 AM UID P...
Avoiding constant HDD access
2018 Nov 07
0
Avoiding constant HDD access
...t; (maybe doing some journaling?) what causes the HDD to constantly > >> spin and never standby: > >> > >> root at rpi:~# pidstat -dl 20 > >> Linux 4.4.50-v7+ (localhost) 11/07/2018 > >> _armv7l_ (4 CPU) > >> 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > >> Command 04:10:28 AM 0 832 0.00 0.20 0.20 > >> 0 /usr/sbin/smbd -D > >> 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > >> Command 04:11:28 AM 0 832 0.00 0.20 0.20 > >> 0 /...
Avoiding constant HDD access
2018 Nov 08
0
Avoiding constant HDD access
...39;t doing a read, it is trying to do a write and then > > > being cancelled. > > > > Rowland, > > > > Can you point us as the evidence that leads you to that conclusion? > > OK, the OP posted lines like these: > > 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay Command > 04:11:28 AM 0 832 0.00 0.20 0.20 0 /usr/sbin/smbd -D > > And from 'man pidstat' > > kB_rd/s > Number of kilobytes the task has caused to be read from disk per second. > > kB_wr/s > Number of...
Avoiding constant HDD access
2018 Nov 07
4
Avoiding constant HDD access
...me journaling?) what causes the HDD to constantly >>>> spin and never standby: >>>> >>>> root at rpi:~# pidstat -dl 20 >>>> Linux 4.4.50-v7+ (localhost) 11/07/2018 >>>> _armv7l_ (4 CPU) >>>> 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay >>>> Command 04:10:28 AM 0 832 0.00 0.20 0.20 >>>> 0 /usr/sbin/smbd -D >>>> 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay >>>> Command 04:11:28 AM 0 832 0.00 0.20 0.20 >&g...
Avoiding constant HDD access
2018 Nov 07
0
Avoiding constant HDD access
...be doing some journaling?) what causes the HDD to constantly > > > spin and never standby: > > > > > > root at rpi:~# pidstat -dl 20 > > > Linux 4.4.50-v7+ (localhost) 11/07/2018 > > > _armv7l_ (4 CPU) > > > 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > > > Command 04:10:28 AM 0 832 0.00 0.20 0.20 > > > 0 /usr/sbin/smbd -D > > > 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > > > Command 04:11:28 AM 0 832 0.00 0.20 0.20 > > >...
Avoiding constant HDD access
2018 Nov 07
0
Avoiding constant HDD access
...e HDD to constantly > >>>> spin and never standby: > >>>> > >>>> root at rpi:~# pidstat -dl 20 > >>>> Linux 4.4.50-v7+ (localhost) 11/07/2018 > >>>> _armv7l_ (4 CPU) > >>>> 04:10:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > >>>> Command 04:10:28 AM 0 832 0.00 0.20 0.20 > >>>> 0 /usr/sbin/smbd -D > >>>> 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > >>>> Command 04:11:28 AM 0 832 0.00 0...
Avoiding constant HDD access
2018 Nov 08
2
Avoiding constant HDD access
...> > then being cancelled. > > > > > > Rowland, > > > > > > Can you point us as the evidence that leads you to that > > > conclusion? > > > > OK, the OP posted lines like these: > > > > 04:11:08 AM UID PID kB_rd/s kB_wr/s kB_ccwr/s iodelay > > Command 04:11:28 AM 0 832 0.00 0.20 0.20 > > 0 /usr/sbin/smbd -D > > > > And from 'man pidstat' > > > > kB_rd/s > > Number of kilobytes the task has caused to be read from disk > > per seco...
Avoiding constant HDD access
2018 Nov 08
3
Avoiding constant HDD access
On Wed, 7 Nov 2018 15:57:04 -0800 Jeremy Allison via samba <samba at lists.samba.org> wrote: > On Thu, Nov 08, 2018 at 02:34:50AM +0300, Albert Berger via samba > wrote: > > On Thu, Nov 08, 2018 at 06:12:40AM +1300, Andrew Bartlett wrote: > > > On Wed, 2018-11-07 at 15:19 +0300, Albert Berger via samba wrote: > > > >  > > > > I tried in sequence