Wondering what you can do for FreeBSD/ZFS?

You'll find the answer here:

	http://wiki.freebsd.org/Z
FS

There is a list of things that we need to work on. Yes, _we_


-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjdFreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I
Am!

On Mon, Apr 23, 2007 at 01:25:14AM +0200, Pawel Jakub
Dawidek wrote:
> You'll find the answer here:
> 
> 	http://wiki.freebsd.org/Z
FS
> 
> There is a list of things that we need to work on. Yes,
_we_ 

I just committed fixed for 'slow mmap' and 'FreeBSD
namecache' tasks.
These were very important ones, but there are other waiting
for takers!

If you are testing ZFS, please update and report all
problems you find.
Those changes worked fine for me, but they weren't trivial
and they
might be some negative consequences.

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjdFreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I
Am!

On Tuesday 24 April 2007 18:33:03 Pawel Jakub Dawidek
wrote:
> On Mon, Apr 23, 2007 at 01:25:14AM +0200, Pawel Jakub
Dawidek wrote:
> > You'll find the answer here:
> > 
> > 	http://wiki.freebsd.org/Z
FS
> > 
> > There is a list of things that we need to work on.
Yes, _we_ 
> 
> I just committed fixed for 'slow mmap' and 'FreeBSD
namecache' tasks.
> These were very important ones, but there are other
waiting for takers!
> 
> If you are testing ZFS, please update and report all
problems you find.
> Those changes worked fine for me, but they weren't
trivial and they
> might be some negative consequences.
> 

I don't know that its related to the recent changes but
there is a corruption
to the geom label - I don't know that it is related to the
ZFS recont changes 
just seems likely  - The
detach happend automatically  

hub2: at uhub1 port 2 (addr 2) disconnected
umass0: at uhub2 port 6 (addr 3) disconnected
(pass0:umass-sim0:0:0:0): lost device
(pass0:umass-sim0:0:0:0): removing device entry
(da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello stm
sddeovsifcse/U
SB( dDaO0N:GuLmEa srse-msoivme0d:.0:
0:0): removing device entry
umass0: detached
uhub2: detached

umass0: <LEXR PLUG DRIVE LEXR PLUG DRIVE, class 0/0, rev
1.10/0.01, addr 3> on uhub0
umass0:0:0:-1: Attached to scbus0
pass0 at umass-sim0 bus 0 target 0 lun 0
pass0: <LEXAR DIGITAL FILM /W1.> Removable Direct
Access SCSI-2 device
pass0: Serial Number [
pass0: 1.000MB/s transfers
GEOM: new disk da0
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <LEXAR DIGITAL FILM /W1.> Removable Direct Access
SCSI-2 device
da0: Serial Number [
da0: 1.000MB/s transfers
da0: 61MB (125952 512 byte sectors: 64H 32S/T 61C)
GEOM_LABEL: Label for provider da0s1 is msdosfs/USB DONGLE.
GEOM_LABEL: Label msdosfs/USB DONGLE removed.






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> > You'll find the answer here:
> >
> >       http://wiki.freebsd.org/Z
FS
> >
> > There is a list of things that we need to work on.
Yes, _we_ 
>
> I just committed fixed for 'slow mmap' and 'FreeBSD
namecache' tasks.
> These were very important ones, but there are other
waiting for takers!
>
> If you are testing ZFS, please update and report all
problems you find.
> Those changes worked fine for me, but they weren't
trivial and they
> might be some negative consequences.

Hi Pawel. I updated last night and the changes you comitted
tripled
the performance. Yesterday a rsync of a folder with 22.468
files and
folders weighing 22 GB would copy at approx. 11 MB/s. Now
it's 31 MB.

Nice work 

regards
Claus
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On Tue, Apr 24, 2007 at 10:48:14PM +0100, Thomas Sparrevohn
wrote:
> On Tuesday 24 April 2007 18:33:03 Pawel Jakub Dawidek
wrote:
> > On Mon, Apr 23, 2007 at 01:25:14AM +0200, Pawel
Jakub Dawidek wrote:
> > > You'll find the answer here:
> > > 
> > > 	http://wiki.freebsd.org/Z
FS
> > > 
> > > There is a list of things that we need to
work on. Yes, _we_ 
> > 
> > I just committed fixed for 'slow mmap' and
'FreeBSD namecache' tasks.
> > These were very important ones, but there are
other waiting for takers!
> > 
> > If you are testing ZFS, please update and report
all problems you find.
> > Those changes worked fine for me, but they weren't
trivial and they
> > might be some negative consequences.
> > 
> 
> I don't know that its related to the recent changes but
there is a corruption
> to the geom label - I don't know that it is related to
the ZFS recont changes 
> just seems likely  - The
detach happend automatically  
> 
> hub2: at uhub1 port 2 (addr 2) disconnected
> umass0: at uhub2 port 6 (addr 3) disconnected
> (pass0:umass-sim0:0:0:0): lost device
> (pass0:umass-sim0:0:0:0): removing device entry
> (da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello stm
sddeovsifcse/U
> SB( dDaO0N:GuLmEa srse-msoivme0d:.0:
> 0:0): removing device entry
> umass0: detached
> uhub2: detached
> 
> umass0: <LEXR PLUG DRIVE LEXR PLUG DRIVE, class 0/0,
rev 1.10/0.01, addr 3> on uhub0
> umass0:0:0:-1: Attached to scbus0
> pass0 at umass-sim0 bus 0 target 0 lun 0
> pass0: <LEXAR DIGITAL FILM /W1.> Removable Direct
Access SCSI-2 device
> pass0: Serial Number [
> pass0: 1.000MB/s transfers
> GEOM: new disk da0
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <LEXAR DIGITAL FILM /W1.> Removable Direct
Access SCSI-2 device
> da0: Serial Number [
> da0: 1.000MB/s transfers
> da0: 61MB (125952 512 byte sectors: 64H 32S/T 61C)
> GEOM_LABEL: Label for provider da0s1 is msdosfs/USB
DONGLE.
> GEOM_LABEL: Label msdosfs/USB DONGLE removed.

Where exactly do you see this corruption?

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjdFreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I
Am!

On Wednesday 25 April 2007 10:37:47 Pawel Jakub Dawidek
wrote:
> (da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello stm
sddeovsifcse/U

In the label name - After this the only way to fix it is to
unplug the device - 

> (da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello stm
sddeovsifcse/U
> SB( dDaO0N:GuLmEa srse-msoivme0d:.0:
> 0:0): removing device entry

Should have read 

(pass4:umass-sim1:1:0:0): lost device
(pass4:umass-sim1:1:0:0): removing device entry
(da4:umass-sim1:1:0:0): lost device
(da4:umass-sim1:1:0:0): removing device entry
GEOM_LABEL: Label msdosfs/USB DONGLE removed.




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On Wed, Apr 25, 2007 at 01:06:33PM +0100, Thomas Sparrevohn
wrote:
> On Wednesday 25 April 2007 10:37:47 Pawel Jakub Dawidek
wrote:
> > (da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello stm
sddeovsifcse/U
> 
> In the label name - After this the only way to fix it
is to unplug the device - 
> 
> > (da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello stm
sddeovsifcse/U
> > SB( dDaO0N:GuLmEa srse-msoivme0d:.0:
> > 0:0): removing device entry
> 
> Should have read 
> 
> (pass4:umass-sim1:1:0:0): lost device
> (pass4:umass-sim1:1:0:0): removing device entry
> (da4:umass-sim1:1:0:0): lost device
> (da4:umass-sim1:1:0:0): removing device entry
> GEOM_LABEL: Label msdosfs/USB DONGLE removed.

Ok, I still see nothing unusual. What exactly doesn't work?
I know two
printfs are racing, but from a functional point of view
(forget about
those printfs), what is corrupted?

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjdFreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I
Am!

On Wednesday 25 April 2007 13:09:23 Pawel Jakub Dawidek
wrote:
> On Wed, Apr 25, 2007 at 01:06:33PM +0100, Thomas
Sparrevohn wrote:
> > On Wednesday 25 April 2007 10:37:47 Pawel Jakub
Dawidek wrote:
> > > (da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello
stm sddeovsifcse/U
> > 
> > In the label name - After this the only way to fix
it is to unplug the device - 
> > 
> > > (da0:umasGsE-OsMi_mL0A:B0E:L0:: 0L)a:b ello
stm sddeovsifcse/U
> > > SB( dDaO0N:GuLmEa srse-msoivme0d:.0:
> > > 0:0): removing device entry
> > 
> > Should have read 
> > 
> > (pass4:umass-sim1:1:0:0): lost device
> > (pass4:umass-sim1:1:0:0): removing device entry
> > (da4:umass-sim1:1:0:0): lost device
> > (da4:umass-sim1:1:0:0): removing device entry
> > GEOM_LABEL: Label msdosfs/USB DONGLE removed.
> 
> Ok, I still see nothing unusual. What exactly doesn't
work? I know two
> printfs are racing, but from a functional point of view
(forget about
> those printfs), what is corrupted?
> 


The dongle was still attached and I could no longer mount it
- e.g. visible 
in /dev etc but got a mount error 
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