Re: tracking down disk spinups.

2007-05-14 Thread Rob Landley
On Monday 14 May 2007 4:46 pm, Dave Jones wrote: > On Mon, May 14, 2007 at 04:28:35PM -0400, Rob Landley wrote: > > On Monday 14 May 2007 2:57 pm, Dave Jones wrote: > > > Why did the kernel ignore what I told it to do ? > > > I'm sure it thinks it knows better than me for a reason, but > > >

Re: tracking down disk spinups.

2007-05-14 Thread Jan Engelhardt
On May 14 2007 16:46, Dave Jones wrote: > >*has sudden brainwave* > >Ahh, it's doing atime updates. Duh. FYI+, noatime,nodiratime :) Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: tracking down disk spinups.

2007-05-14 Thread Dave Jones
On Mon, May 14, 2007 at 04:28:35PM -0400, Rob Landley wrote: > On Monday 14 May 2007 2:57 pm, Dave Jones wrote: > > Why did the kernel ignore what I told it to do ? > > I'm sure it thinks it knows better than me for a reason, but > > I'd like to know what it is. > > Remount doesn't switch

Re: tracking down disk spinups.

2007-05-14 Thread Rob Landley
On Monday 14 May 2007 2:57 pm, Dave Jones wrote: > Why did the kernel ignore what I told it to do ? > I'm sure it thinks it knows better than me for a reason, but > I'd like to know what it is. Remount doesn't switch filesystem drivers, it tells the existing filesystem driver to accept new flags

Re: tracking down disk spinups.

2007-05-14 Thread Jan Engelhardt
On May 14 2007 21:28, Xavier Bestel wrote: >Le lundi 14 mai 2007 à 12:24 -0700, Jeremy Fitzhardinge a écrit : >> I don't think you can change filesystem types with remount. Doesn't >> that just change flags on an existing mount? > >+1 +2. Hell, it'd be fun to switch from reiser to xfs by just

Re: tracking down disk spinups.

2007-05-14 Thread Jan Engelhardt
On May 14 2007 14:57, Dave Jones wrote: > >I was curious why my firewall box never spins down its disk. >Given it rarely writes stuff to logs, it's odd that it always >seems to have something to write out. >killing syslogd, and enabling /proc/sys/vm/block_dump >gets me a periodic spew in

Re: tracking down disk spinups.

2007-05-14 Thread Xavier Bestel
Le lundi 14 mai 2007 à 12:24 -0700, Jeremy Fitzhardinge a écrit : > I don't think you can change filesystem types with remount. Doesn't > that just change flags on an existing mount? +1 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to

Re: tracking down disk spinups.

2007-05-14 Thread Jeremy Fitzhardinge
Dave Jones wrote: > (14:49:52:[EMAIL PROTECTED]:~)# mount > /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) > (14:49:56:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 / -t > ext2 -o remount,rw > (14:50:37:[EMAIL PROTECTED]:~)# mount > /dev/mapper/VolGroup00-LogVol00 on / type

Re: tracking down disk spinups.

2007-05-14 Thread Dave Jones
On Mon, May 14, 2007 at 09:03:05PM +0200, Xavier Bestel wrote: > Le lundi 14 mai 2007 à 14:57 -0400, Dave Jones a écrit : > > > (14:49:52:[EMAIL PROTECTED]:~)# mount > > /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) > > (14:49:56:[EMAIL PROTECTED]:~)# mount

Re: tracking down disk spinups.

2007-05-14 Thread Xavier Bestel
Le lundi 14 mai 2007 à 14:57 -0400, Dave Jones a écrit : > (14:49:52:[EMAIL PROTECTED]:~)# mount > /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) > (14:49:56:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 / -t > ext2 -o remount,rw > (14:50:37:[EMAIL PROTECTED]:~)# mount >

tracking down disk spinups.

2007-05-14 Thread Dave Jones
I was curious why my firewall box never spins down its disk. Given it rarely writes stuff to logs, it's odd that it always seems to have something to write out. killing syslogd, and enabling /proc/sys/vm/block_dump gets me a periodic spew in /proc/kmsg like.. <7>[2695397.99] kjournald(366):

tracking down disk spinups.

2007-05-14 Thread Dave Jones
I was curious why my firewall box never spins down its disk. Given it rarely writes stuff to logs, it's odd that it always seems to have something to write out. killing syslogd, and enabling /proc/sys/vm/block_dump gets me a periodic spew in /proc/kmsg like.. 7[2695397.99] kjournald(366):

Re: tracking down disk spinups.

2007-05-14 Thread Xavier Bestel
Le lundi 14 mai 2007 à 14:57 -0400, Dave Jones a écrit : (14:49:52:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) (14:49:56:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 / -t ext2 -o remount,rw (14:50:37:[EMAIL PROTECTED]:~)# mount

Re: tracking down disk spinups.

2007-05-14 Thread Dave Jones
On Mon, May 14, 2007 at 09:03:05PM +0200, Xavier Bestel wrote: Le lundi 14 mai 2007 à 14:57 -0400, Dave Jones a écrit : (14:49:52:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) (14:49:56:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 / -t

Re: tracking down disk spinups.

2007-05-14 Thread Jeremy Fitzhardinge
Dave Jones wrote: (14:49:52:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) (14:49:56:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 / -t ext2 -o remount,rw (14:50:37:[EMAIL PROTECTED]:~)# mount /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)

Re: tracking down disk spinups.

2007-05-14 Thread Xavier Bestel
Le lundi 14 mai 2007 à 12:24 -0700, Jeremy Fitzhardinge a écrit : I don't think you can change filesystem types with remount. Doesn't that just change flags on an existing mount? +1 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL

Re: tracking down disk spinups.

2007-05-14 Thread Jan Engelhardt
On May 14 2007 14:57, Dave Jones wrote: I was curious why my firewall box never spins down its disk. Given it rarely writes stuff to logs, it's odd that it always seems to have something to write out. killing syslogd, and enabling /proc/sys/vm/block_dump gets me a periodic spew in /proc/kmsg

Re: tracking down disk spinups.

2007-05-14 Thread Jan Engelhardt
On May 14 2007 21:28, Xavier Bestel wrote: Le lundi 14 mai 2007 à 12:24 -0700, Jeremy Fitzhardinge a écrit : I don't think you can change filesystem types with remount. Doesn't that just change flags on an existing mount? +1 +2. Hell, it'd be fun to switch from reiser to xfs by just

Re: tracking down disk spinups.

2007-05-14 Thread Rob Landley
On Monday 14 May 2007 2:57 pm, Dave Jones wrote: Why did the kernel ignore what I told it to do ? I'm sure it thinks it knows better than me for a reason, but I'd like to know what it is. Remount doesn't switch filesystem drivers, it tells the existing filesystem driver to accept new flags

Re: tracking down disk spinups.

2007-05-14 Thread Dave Jones
On Mon, May 14, 2007 at 04:28:35PM -0400, Rob Landley wrote: On Monday 14 May 2007 2:57 pm, Dave Jones wrote: Why did the kernel ignore what I told it to do ? I'm sure it thinks it knows better than me for a reason, but I'd like to know what it is. Remount doesn't switch filesystem

Re: tracking down disk spinups.

2007-05-14 Thread Jan Engelhardt
On May 14 2007 16:46, Dave Jones wrote: *has sudden brainwave* Ahh, it's doing atime updates. Duh. FYI+, noatime,nodiratime :) Jan -- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: tracking down disk spinups.

2007-05-14 Thread Rob Landley
On Monday 14 May 2007 4:46 pm, Dave Jones wrote: On Mon, May 14, 2007 at 04:28:35PM -0400, Rob Landley wrote: On Monday 14 May 2007 2:57 pm, Dave Jones wrote: Why did the kernel ignore what I told it to do ? I'm sure it thinks it knows better than me for a reason, but I'd like to