* Stopped disk causes LVM to go crazy
@ 2009-02-10 23:31 Alireza Nematollahi
2009-02-11 10:39 ` Bryn M. Reeves
0 siblings, 1 reply; 6+ messages in thread
From: Alireza Nematollahi @ 2009-02-10 23:31 UTC (permalink / raw)
To: dm-devel
[-- Attachment #1.1: Type: text/plain, Size: 9374 bytes --]
hi guys,
I have a system with two SATA disks and I have LVM on the disks.
I use sdparm (sdparm -C stop /dev/sdb) to spin-down one of them. It works fine and I can hear the disk spinning down and all...But when I run any LVM command, say lvscan or whatever, I get lots of error messages:
> lvscan
end_request: I/O error, dev sdb, sector 20971839
end_request: I/O error, dev sdb, sector 447
/dev/dm-0: read failed after 0 of 4096 at 10737352704: Input/outend_request: I/O error, dev sdb, sector 21176639
put error
/dev/dm-0: read failed after 0 of 4096 at 0: Input/end_request: I/O error, dev sdb, sector 20971967
output error
/dev/dm-1: read failed after 0 of 4096 at 104792end_request: I/O error, dev sdb, sector 42148159
064: Input/output error
/dev/dm-1: read failed after 0 of 409end_request: I/O error, dev sdb, sector 21176767
6 at 0: Input/output error
/dev/dm-2: read failed after 0 of end_request: I/O error, dev sdb, sector 42352959
4096 at 10737352704: Input/output error
/dev/dm-2: read faileend_request: I/O error, dev sdb, sector 42148287
d after 0 of 4096 at 0: Input/output error
/dev/dm-3: read faend_request: I/O error, dev sdb, sector 63324479
iled after 0 of 4096 at 104792064: Input/output error
/dev/dmend_request: I/O error, dev sdb, sector 42353087
-3: read failed after 0 of 4096 at 0: Input/output error
/devend_request: I/O error, dev sdb, sector 63529279
/dm-4: read failed after 0 of 4096 at 10737352704: Input/output end_request: I/O error, dev sdb, sector 63324607
error
/dev/dm-4: read failed after 0 of 4096 at 0: Input/outpend_request: I/O error, dev sdb, sector 287274137
ut error
/dev/dm-5: read failed after 0 of 4096 at 104792064:end_request: I/O error, dev sdb, sector 287258265
Input/output error
/dev/dm-5: read failed after 0 of 4096 atend_request: I/O error, dev sdb, sector 287258029
0: Input/output error
/dev/sdb1: read failed after 0 of 512 end_request: I/O error, dev sdb, sector 281410605
at 8126464: Input/output error
/dev/sdb1: read failed after 0end_request: I/O error, dev sdb, sector 281410367
of 2048 at 0: Input/output error
/dev/sdb2: read failed afteend_request: I/O error, dev sdb, sector 63
r 0 of 4096 at 2993881088: Input/output error
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error
/dev/sdb4: read failed after 0 of 1024 at 144082075648: Input/output error
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output error
ACTIVE '/dev/blahblah/blah' [10.00 GB] inherit
ACTIVE '/dev/blahblah/blah' [100.00 MB] inherit
ACTIVE '/dev/blahblah/blah' [10.00 GB] inherit
ACTIVE '/dev/blahblah/blah' [100.00 MB] inherit
ACTIVE '/dev/blahblah/blah' [10.00 GB] inherit
ACTIVE '/dev/blahblah/blah' [100.00 MB] inherit
File descriptor 3 left open
end_request: I/O error, dev sdb, sector 20971839
end_request: I/O error, dev sdb, sector 447
/dev/dm-0: read failed after 0 of 4096 at 10737352704: Input/outend_request: I/O error, dev sdb, sector 21176639
put error
/dev/dm-0: read failed after 0 of 4096 at 0: Input/end_request: I/O error, dev sdb, sector 20971967
output error
/dev/dm-1: read failed after 0 of 4096 at 104792end_request: I/O error, dev sdb, sector 42148159
064: Input/output error
/dev/dm-1: read failed after 0 of 409end_request: I/O error, dev sdb, sector 21176767
6 at 0: Input/output error
/dev/dm-2: read failed after 0 of end_request: I/O error, dev sdb, sector 42352959
4096 at 10737352704: Input/output error
/dev/dm-2: read faileend_request: I/O error, dev sdb, sector 42148287
d after 0 of 4096 at 0: Input/output error
/dev/dm-3: read faend_request: I/O error, dev sdb, sector 63324479
iled after 0 of 4096 at 104792064: Input/output error
/dev/dmend_request: I/O error, dev sdb, sector 42353087
-3: read failed after 0 of 4096 at 0: Input/output error
/devend_request: I/O error, dev sdb, sector 63529279
/dm-4: read failed after 0 of 4096 at 10737352704: Input/output end_request: I/O error, dev sdb, sector 63324607
error
/dev/dm-4: read failed after 0 of 4096 at 0: Input/outpend_request: I/O error, dev sdb, sector 287274137
ut error
/dev/dm-5: read failed after 0 of 4096 at 104792064:end_request: I/O error, dev sdb, sector 287258265
Input/output error
/dev/dm-5: read failed after 0 of 4096 atend_request: I/O error, dev sdb, sector 287258029
0: Input/output error
/dev/sdb1: read failed after 0 of 512 end_request: I/O error, dev sdb, sector 281410605
at 8126464: Input/output error
/dev/sdb1: read failed after 0end_request: I/O error, dev sdb, sector 281410367
of 2048 at 0: Input/output error
/dev/sdb2: read failed afteend_request: I/O error, dev sdb, sector 63
r 0 of 4096 at 2993881088: Input/output error
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error
/dev/sdb4: read failed after 0 of 1024 at 144082075648: Input/output error
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output erroend_request: I/O error, dev sdb, sector 20971839
r
end_request: I/O error, dev sdb, sector 4474zwPa" now active
/dev/dm-0: read failed after 0 of 4096 at 10737352704: Input/end_request: I/O error, dev sdb, sector 21176639
output error
/dev/dm-0: read failed after 0 of 4096 at 0: Inpend_request: I/O error, dev sdb, sector 20971967
ut/output error
/dev/dm-1: read failed after 0 of 4096 at 104end_request: I/O error, dev sdb, sector 42148159
792064: Input/output error
/dev/dm-1: read failed after 0 of end_request: I/O error, dev sdb, sector 21176767
4096 at 0: Input/output error
/dev/dm-2: read failed after 0 end_request: I/O error, dev sdb, sector 42352959
of 4096 at 10737352704: Input/output error
/dev/dm-2: read faend_request: I/O error, dev sdb, sector 42148287
iled after 0 of 4096 at 0: Input/output error
/dev/dm-3: readend_request: I/O error, dev sdb, sector 63324479
failed after 0 of 4096 at 104792064: Input/output error
/devend_request: I/O error, dev sdb, sector 42353087
/dm-3: read failed after 0 of 4096 at 0: Input/output error
/end_request: I/O error, dev sdb, sector 63529279
dev/dm-4: read failed after 0 of 4096 at 10737352704: Input/outpend_request: I/O error, dev sdb, sector 63324607
ut error
/dev/dm-4: read failed after 0 of 4096 at 0: Input/oend_request: I/O error, dev sdb, sector 287274137
utput error
/dev/dm-5: read failed after 0 of 4096 at 1047920end_request: I/O error, dev sdb, sector 287258265
64: Input/output error
/dev/dm-5: read failed after 0 of 4096end_request: I/O error, dev sdb, sector 287258029
at 0: Input/output error
/dev/sdb1: read failed after 0 of 5end_request: I/O error, dev sdb, sector 281410605
12 at 8126464: Input/output error
/dev/sdb1: read failed afteend_request: I/O error, dev sdb, sector 281410367
r 0 of 2048 at 0: Input/output error
/dev/sdb2: read failed aend_request: I/O error, dev sdb, sector 63
fter 0 of 4096 at 2993881088: Input/output error
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error
/dev/sdb4end_request: I/O error, dev sdb, sector 20971839
: read failed after 0 of 1024 at 144082075648: Input/output erroend_request: I/O error, dev sdb, sector 447
r
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output eend_request: I/O error, dev sdb, sector 21176639
rror
/dev/dm-0: read failed after 0 of 4096 at 10737352704: Iend_request: I/O error, dev sdb, sector 20971967
nput/output error
/dev/dm-0: read failed after 0 of 4096 at 0end_request: I/O error, dev sdb, sector 42148159
: Input/output error
/dev/dm-1: read failed after 0 of 4096 aend_request: I/O error, dev sdb, sector 21176767
t 104792064: Input/output error
/dev/dm-1: read failed after end_request: I/O error, dev sdb, sector 42352959
0 of 4096 at 0: Input/output error
/dev/dm-2: read failed aftend_request: I/O error, dev sdb, sector 42148287
er 0 of 4096 at 10737352704: Input/output error
/dev/dm-2: reend_request: I/O error, dev sdb, sector 63324479
ad failed after 0 of 4096 at 0: Input/output error
/dev/dm-3:end_request: I/O error, dev sdb, sector 42353087
read failed after 0 of 4096 at 104792064: Input/output error
end_request: I/O error, dev sdb, sector 63529279
/dev/dm-3: read failed after 0 of 4096 at 0: Input/output errorend_request: I/O error, dev sdb, sector 63324607
/dev/dm-4: read failed after 0 of 4096 at 10737352704: Inputend_request: I/O error, dev sdb, sector 287274137
/output error
/dev/dm-4: read failed after 0 of 4096 at 0: Inend_request: I/O error, dev sdb, sector 287258265
put/output error
/dev/dm-5: read failed after 0 of 4096 at 10end_request: I/O error, dev sdb, sector 287258029
4792064: Input/output error
/dev/dm-5: read failed after 0 ofend_request: I/O error, dev sdb, sector 281410605
4096 at 0: Input/output error
/dev/sdb1: read failed after 0end_request: I/O error, dev sdb, sector 281410367
of 512 at 8126464: Input/output error
/dev/sdb1: read failedend_request: I/O error, dev sdb, sector 63
after 0 of 2048 at 0: Input/output error
/dev/sdb2: read failed after 0 of 4096 at 2993881088: Input/output error
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error
/dev/sdb4: read failed after 0 of 1024 at 144082075648: Input/output error
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output error Even when I physically remove the disk it still happens. Is there any way I can stop LVM from querying both disks or at least to stop displaying the error messages?
Thanks
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* Re: Stopped disk causes LVM to go crazy
2009-02-10 23:31 Stopped disk causes LVM to go crazy Alireza Nematollahi
@ 2009-02-11 10:39 ` Bryn M. Reeves
0 siblings, 0 replies; 6+ messages in thread
From: Bryn M. Reeves @ 2009-02-11 10:39 UTC (permalink / raw)
To: device-mapper development
Alireza Nematollahi wrote:
> hi guys,
>
> I have a system with two SATA disks and I have LVM on the disks. I
> use sdparm (sdparm -C stop /dev/sdb) to spin-down one of them. It
> works fine and I can hear the disk spinning down and all...But when
> I run any LVM command, say lvscan or whatever, I get lots of error
> messages:
What did you expect? :)
If the volume group is active when you remove/spin down the disks LVM
has no way of knowing that you wanted to do that. To the software, it
just looks like a drive has failed or gone away while it was in use.
<snip>
> /dev/sdb2: read failed after 0 of 4096 at 2993881088: Input/output
> error /dev/sdb2: read failed after 0 of 4096 at 0: Input/output
> error /dev/sdb4: read failed after 0 of 1024 at 144082075648:
> Input/output error /dev/sdb4: read failed after 0 of 2048 at 0:
> Input/output error Even when I physically remove the disk it still
> happens. Is there any way I can stop LVM from querying both disks
> or at least to stop displaying the error messages?
Tell LVM to stop using the disk first. See the man page for vgchange
for full details but you want to run:
vgchange -an <volume group>
To deactivate the volume group *before* you start removing devices
that it is using.
Regards,
Bryn.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Stopped disk causes LVM to go crazy
2009-02-11 20:04 ` Alireza Nematollahi
@ 2009-02-13 9:52 ` Nuno Fernandes
0 siblings, 0 replies; 6+ messages in thread
From: Nuno Fernandes @ 2009-02-13 9:52 UTC (permalink / raw)
To: dm-devel
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On Wednesday 11 February 2009 20:04:46 Alireza Nematollahi wrote:
> Hello,
>
> I think I did it in order:
> 1- nothing is mounted
>
> > mount
>
> rootfs on / type rootfs (rw)
> proc on /proc type proc (rw)
> sysfs on /sys type sysfs (rw)
> devpts on /dev/pts type devpts (rw)
> tmpfs on /dev/shm type tmpfs (rw)
> rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
> nfsd on /proc/fs/nfsd type nfsd (rw)
>
> 2- deactivating VG/LVs
>
> > vgchange -an disk2
>
> 3- stop the storage
>
> > sdparm -C stop /dev/sdb
>
> 4- checking for LVs on other disk
>
> > lvscan
>
> Isn't it the right order? I'm new to LVM and that's why I may be
> confused...
>
> I don't like doing "echo 1 > /sys/block/sdb/device/delete" since I can't
> get the device restarted when I do sdparm -C start /dev/sdb...
>
> Thanks
>
>
>
> ----- Original Message -----
> From: "Bryn M. Reeves" <bmr@redhat.com>
> To: "Alireza Nematollahi" <alirezan@sfu.ca>
> Cc: "device-mapper development" <dm-devel@redhat.com>
> Sent: Wednesday, February 11, 2009 10:50:45 AM GMT -08:00 US/Canada Pacific
> Subject: Re: [dm-devel] Stopped disk causes LVM to go crazy
>
> Alireza Nematollahi wrote:
> > hi. Thanks for your reply. Well, I had tried that before, but no luck. I
> > tried it again, and still no luck:
>
> You have to do it *BEFORE* you disable/remove the storage. Doing it
> afterwards will just throw all the errors you are seeing since the LVM
> tools can no longer access the device.
>
> You have to do things in the correct order; first unmount any file
> systems, then de-activate LVs/VGs, then stop or remove the storage
> hardware.
>
> If you do this in the wrong order you'll end up with the problems
> you're seeing.
>
> For now, you can clean up /dev/sdb by deleting it via sysfs:
>
> echo 1 > /sys/block/sdb/device/delete
>
> Which will stop other commands that scan the disks from tripping over
> the dead device. You can also manually delete any remaining device
> mapper devices that reference the removed disk (see similar thread
> yesterday).
Add /dev/sdb to the filter so that it doesn't get scanned...
lvm.conf:
filter = [ "r/sdb/", "a/.*/" ]
Best regards,
./npf
>
> Regards,
> Bryn.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Stopped disk causes LVM to go crazy
[not found] <288159352.2860111234381750007.JavaMail.root@jaguar7.sfu.ca>
@ 2009-02-11 20:04 ` Alireza Nematollahi
2009-02-13 9:52 ` Nuno Fernandes
0 siblings, 1 reply; 6+ messages in thread
From: Alireza Nematollahi @ 2009-02-11 20:04 UTC (permalink / raw)
To: bmr; +Cc: device-mapper development
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Hello,
I think I did it in order:
1- nothing is mounted
> mount
rootfs on / type rootfs (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw)
tmpfs on /dev/shm type tmpfs (rw)
rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
nfsd on /proc/fs/nfsd type nfsd (rw)
2- deactivating VG/LVs
> vgchange -an disk2
3- stop the storage
> sdparm -C stop /dev/sdb
4- checking for LVs on other disk
> lvscan
Isn't it the right order? I'm new to LVM and that's why I may be confused...
I don't like doing "echo 1 > /sys/block/sdb/device/delete" since I can't get the device restarted when I do sdparm -C start /dev/sdb...
Thanks
----- Original Message -----
From: "Bryn M. Reeves" <bmr@redhat.com>
To: "Alireza Nematollahi" <alirezan@sfu.ca>
Cc: "device-mapper development" <dm-devel@redhat.com>
Sent: Wednesday, February 11, 2009 10:50:45 AM GMT -08:00 US/Canada Pacific
Subject: Re: [dm-devel] Stopped disk causes LVM to go crazy
Alireza Nematollahi wrote:
> hi. Thanks for your reply. Well, I had tried that before, but no luck. I tried it again, and still no luck:
You have to do it *BEFORE* you disable/remove the storage. Doing it
afterwards will just throw all the errors you are seeing since the LVM
tools can no longer access the device.
You have to do things in the correct order; first unmount any file
systems, then de-activate LVs/VGs, then stop or remove the storage
hardware.
If you do this in the wrong order you'll end up with the problems
you're seeing.
For now, you can clean up /dev/sdb by deleting it via sysfs:
echo 1 > /sys/block/sdb/device/delete
Which will stop other commands that scan the disks from tripping over
the dead device. You can also manually delete any remaining device
mapper devices that reference the removed disk (see similar thread
yesterday).
Regards,
Bryn.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Stopped disk causes LVM to go crazy
2009-02-11 18:45 ` Alireza Nematollahi
@ 2009-02-11 18:50 ` Bryn M. Reeves
0 siblings, 0 replies; 6+ messages in thread
From: Bryn M. Reeves @ 2009-02-11 18:50 UTC (permalink / raw)
To: Alireza Nematollahi; +Cc: device-mapper development
Alireza Nematollahi wrote:
> hi. Thanks for your reply. Well, I had tried that before, but no luck. I tried it again, and still no luck:
You have to do it *BEFORE* you disable/remove the storage. Doing it
afterwards will just throw all the errors you are seeing since the LVM
tools can no longer access the device.
You have to do things in the correct order; first unmount any file
systems, then de-activate LVs/VGs, then stop or remove the storage
hardware.
If you do this in the wrong order you'll end up with the problems
you're seeing.
For now, you can clean up /dev/sdb by deleting it via sysfs:
echo 1 > /sys/block/sdb/device/delete
Which will stop other commands that scan the disks from tripping over
the dead device. You can also manually delete any remaining device
mapper devices that reference the removed disk (see similar thread
yesterday).
Regards,
Bryn.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Stopped disk causes LVM to go crazy
[not found] <940984053.2821991234377736540.JavaMail.root@jaguar7.sfu.ca>
@ 2009-02-11 18:45 ` Alireza Nematollahi
2009-02-11 18:50 ` Bryn M. Reeves
0 siblings, 1 reply; 6+ messages in thread
From: Alireza Nematollahi @ 2009-02-11 18:45 UTC (permalink / raw)
To: device-mapper development; +Cc: bmr
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hi. Thanks for your reply. Well, I had tried that before, but no luck. I tried it again, and still no luck:
> vgchange -an disk2
0 logical volume(s) in volume group "disk2" now active
> sdparm -C stop /dev/sdb
> lvscan
end_request: I/O error, dev sdb, sector 0
printk: 72 messages suppressed.
Buffer I/O error on device sdb, logical block 0
Buffer I/O error on device sdb, logical block 1
Buffer I/O error on device sdb, logical block 2
Buffer I/O error on device sdb, logical block 3
end_request: I/O error, dev sdb, sector 0
Buffer I/O error on device sdb, logical block 0
end_request: I/O error, dev sdb, sector 287277824
/dev/sdb: read failed after 0 of 4096 at 0: Input/output error
end_request: I/O error, dev sdb, sector 0
/dev/sdb: read failed after 0 of 4096 at 147086245888: Input/oend_request: I/O error, dev sdb, sector 287274137
utput error
/dev/sdb: read failed after 0 of 4096 at 0: Inputend_request: I/O error, dev sdb, sector 287258265
/output error
/dev/sdb1: read failed after 0 of 512 at 812646end_request: I/O error, dev sdb, sector 287258029
4: Input/output error
/dev/sdb1: read failed after 0 of 2048 end_request: I/O error, dev sdb, sector 281410605
at 0: Input/output error
/dev/sdb2: read failed after 0 of 20end_request: I/O error, dev sdb, sector 281410367
48 at 2993881088: Input/output error
/dev/sdb2: read failed aend_request: I/O error, dev sdb, sector 63
fter 0 of 2048 at 0: Input/output error
/dev/sdb4: read failed after 0 of 1024 at 144082075648: Input/output error
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output error
ACTIVE '/dev/disk1/blah' [10.00 GB] inherit
ACTIVE '/dev/disk1/blah' [100.00 MB] inherit
ACTIVE '/dev/disk1/blah' [10.00 GB] inherit
ACTIVE '/dev/disk1/blah' [100.00 MB] inherit
ACTIVE '/dev/disk1/blah' [10.00 GB] inherit
ACTIVE '/dev/disk1/blah' [100.00 MB] inherit
I'm using older LVM version:
> lvscan --version
LVM version: 2.02.25 (2007-04 27)
Library version: 1.02.19 (2007-04-27)
Driver version: 4.11.0
Any ideas?
Thanks
----- Original Message -----
From: "Bryn M. Reeves" <bmr@redhat.com>
To: "device-mapper development" <dm-devel@redhat.com>
Sent: Wednesday, February 11, 2009 2:39:20 AM GMT -08:00 US/Canada Pacific
Subject: Re: [dm-devel] Stopped disk causes LVM to go crazy
Alireza Nematollahi wrote:
> hi guys,
>
> I have a system with two SATA disks and I have LVM on the disks. I
> use sdparm (sdparm -C stop /dev/sdb) to spin-down one of them. It
> works fine and I can hear the disk spinning down and all...But when
> I run any LVM command, say lvscan or whatever, I get lots of error
> messages:
What did you expect? :)
If the volume group is active when you remove/spin down the disks LVM
has no way of knowing that you wanted to do that. To the software, it
just looks like a drive has failed or gone away while it was in use.
<snip>
> /dev/sdb2: read failed after 0 of 4096 at 2993881088: Input/output
> error /dev/sdb2: read failed after 0 of 4096 at 0: Input/output
> error /dev/sdb4: read failed after 0 of 1024 at 144082075648:
> Input/output error /dev/sdb4: read failed after 0 of 2048 at 0:
> Input/output error Even when I physically remove the disk it still
> happens. Is there any way I can stop LVM from querying both disks
> or at least to stop displaying the error messages?
Tell LVM to stop using the disk first. See the man page for vgchange
for full details but you want to run:
vgchange -an <volume group>
To deactivate the volume group *before* you start removing devices
that it is using.
Regards,
Bryn.
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
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^ permalink raw reply [flat|nested] 6+ messages in thread
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-- links below jump to the message on this page --
2009-02-10 23:31 Stopped disk causes LVM to go crazy Alireza Nematollahi
2009-02-11 10:39 ` Bryn M. Reeves
[not found] <940984053.2821991234377736540.JavaMail.root@jaguar7.sfu.ca>
2009-02-11 18:45 ` Alireza Nematollahi
2009-02-11 18:50 ` Bryn M. Reeves
[not found] <288159352.2860111234381750007.JavaMail.root@jaguar7.sfu.ca>
2009-02-11 20:04 ` Alireza Nematollahi
2009-02-13 9:52 ` Nuno Fernandes
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