Re: [Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-06-30 Thread John Morrissey 
  [1308405713.767653] change   
/devices/pci:00/:00:02.0/:07:00.3/:08:01.1/host3/rport-3:0-2/target3:0:2/3:0:2:0/block/sdc
 (block)
UDEV  [1308405713.772146] change   
/devices/pci:00/:00:02.0/:07:00.3/:08:01.1/host3/rport-3:0-3/target3:0:3/3:0:3:0/block/sdd
 (block)
UDEV  [1308405713.778288] change   
/devices/pci:00/:00:02.0/:07:00.3/:08:01.0/host2/rport-2:0-3/target2:0:3/2:0:3:0/block/sdb
 (block)

john
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Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing

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Re: [Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-06-24 Thread John Morrissey 
On Fri, Jun 24, 2011 at 04:04:46PM -, Martin Pitt wrote:
 Accepted multipath-tools into natty-proposed, the package will build now
 and be available in a few hours.
[snip]
 ** Changed in: ubuntu
Status: Confirmed = Invalid
 
 ** Changed in: Ubuntu Lucid
Status: Confirmed = Invalid

So this won't be SRU'd for lucid? Unfortunately, I don't have any affected
machines running natty, and can't upgrade the affected lucid machine(s) to
that release in order to provide feedback.

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Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing

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Re: [Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-06-24 Thread John Morrissey 
On Fri, Jun 24, 2011 at 05:15:33PM -, Serge Hallyn wrote:
 the bug was also nominated for lucid.  The proposed package just hasn't
 been accepted (yet) into lucid-proposed, but I've seen no indication
 that it was rejected.

Cool. Does the LP bug get notified when it's accepted into -proposed, or
should I check for it in -proposed periodically?

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Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing

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Re: [Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-06-20 Thread John Morrissey 
On Sat, Jun 18, 2011 at 09:00:59PM -, Peter Petrakis wrote:
 Excellent, you're still interested. I've got a fix for you to try.
 Attached is a custom version of mpath_prio_netapp that should
 not generate any more change events for you. Please post
 for comparison that this new version returns the same data
 as the old one.
[snip]
 Once you verify that the updated prio checker no longer
 generates change events, start up multipathd again and
 verify that this continues to be true. Thanks!

Everything seems to be as anticipated:

[j...@pxe-237.roch.ny:pts/0 ~ sudo apt-get install 
multipath-tools=0.4.8-14ubuntu4 multipath-tools-boot=0.4.8-14ubuntu4 
kpartx=0.4.8-14ubuntu4
[...]
[j...@pxe-237.roch.ny:pts/0 ~ for i in /dev/sd[abcd]; do sudo 
mpath_prio_netapp $i; done
4
1
4
1
[j...@pxe-237.roch.ny:pts/0 ~ sudo apt-get dist-upgrade
[...]
Preparing to replace kpartx 0.4.8-14ubuntu4 (using 
.../kpartx_0.4.8-14ubuntu5~lp644489_amd64.deb) ...
[...]
Preparing to replace multipath-tools 0.4.8-14ubuntu4 (using 
.../multipath-tools_0.4.8-14ubuntu5~lp644489_amd64.deb) ...
[...]
Preparing to replace multipath-tools-boot 0.4.8-14ubuntu4 (using 
.../multipath-tools-boot_0.4.8-14ubuntu5~lp644489_all.deb) ...
[...]
[j...@pxe-237.roch.ny:pts/0 ~ for i in /dev/sd[abcd]; do sudo 
mpath_prio_netapp $i; done
4
1
4
1
[j...@pxe-237.roch.ny:pts/0 ~ psg multi
root 30498 30498  0.0  0.0  85396  3500 ? SLl  futex_ 13:24 
/sbin/multipathd
root 30498 30500  0.0  0.0  85396  3500 ? SLl  futex_ 13:24 
/sbin/multipathd
root 30498 30514  0.0  0.0  85396  3500 ? SLl  dm_wai 13:24 
/sbin/multipathd
root 30498 30515  0.0  0.0  85396  3500 ? SLl  hrtime 13:24 
/sbin/multipathd
root 30498 30516  0.0  0.0  85396  3500 ? SLl  skb_re 13:24 
/sbin/multipathd
root 30498 30517  0.0  0.0  85396  3500 ? SLl  poll_s 13:24 
/sbin/multipathd
root 30498 30518  0.0  0.0  85396  3500 ? SLl  futex_ 13:24 
/sbin/multipathd
[j...@pxe-237.roch.ny:pts/0 ~ sudo udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

[no events generated]

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Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing

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Re: [Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-06-18 Thread John Morrissey 
On Sat, Jun 18, 2011 at 09:00:59PM -, Peter Petrakis wrote:
 Excellent, you're still interested. I've got a fix for you to try.
 Attached is a custom version of mpath_prio_netapp

Would you provide a patch to multipath-tools instead, please? I'd be more
comfortable building a patched binary myself.

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Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing

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Re: [Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-04-13 Thread John Morrissey 
On Wed, Apr 13, 2011 at 03:59:58PM -, Serge Hallyn wrote:
 Does fixing the rule to use '-q' fix this bug for you?

Doesn't seem to. Changing the one instance of -Q in
/lib/udev/rules.d/95-kpartx.rules to -q doesn't change the behavior
described in this bug.

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Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing

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[Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-04-08 Thread John Morrissey 
Wasn't sure which /dev paths you were interested in specifically, so
here's ~everything that might be relevant.

We don't run the stock syslog configuration, so I filtered out
multipathd verbose output from our syslogs and attached it; let me know
if you were looking for something more than multipathd's verbose
syslogs.

[j...@pxe-237.roch.ny:pts/0 ~ for i in /dev/disk/by-id/* /dev/sd*; do echo -n 
$i ; sudo /sbin/mpath_prio_netapp $i; done
/dev/disk/by-id/dm-name-rootvol 4
/dev/disk/by-id/dm-name-rootvol-part1 4
/dev/disk/by-id/dm-name-rootvol-part10 4
/dev/disk/by-id/dm-name-rootvol-part11 4
/dev/disk/by-id/dm-name-rootvol-part12 4
/dev/disk/by-id/dm-name-rootvol-part13 4
/dev/disk/by-id/dm-name-rootvol-part14 4
/dev/disk/by-id/dm-name-rootvol-part15 4
/dev/disk/by-id/dm-name-rootvol-part2 4
/dev/disk/by-id/dm-name-rootvol-part5 4
/dev/disk/by-id/dm-name-rootvol-part6 4
/dev/disk/by-id/dm-name-rootvol-part7 4
/dev/disk/by-id/dm-name-rootvol-part8 4
/dev/disk/by-id/dm-name-rootvol-part9 4
/dev/disk/by-id/dm-uuid-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part1-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part10-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part11-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part12-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part13-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part14-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part15-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part2-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part5-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part6-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part7-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part8-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/dm-uuid-part9-mpath-360a98000486e5339576f5336524d5273 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273 1
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part1 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part10 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part11 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part12 1
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part13 1
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part14 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part15 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part2 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part5 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part6 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part7 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part8 4
/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273-part9 4
/dev/disk/by-id/scsi-rootvol 4
/dev/disk/by-id/scsi-rootvol-part1 4
/dev/disk/by-id/scsi-rootvol-part10 4
/dev/disk/by-id/scsi-rootvol-part11 4
/dev/disk/by-id/scsi-rootvol-part12 4
/dev/disk/by-id/scsi-rootvol-part13 4
/dev/disk/by-id/scsi-rootvol-part14 4
/dev/disk/by-id/scsi-rootvol-part15 4
/dev/disk/by-id/scsi-rootvol-part2 4
/dev/disk/by-id/scsi-rootvol-part5 4
/dev/disk/by-id/scsi-rootvol-part6 4
/dev/disk/by-id/scsi-rootvol-part7 4
/dev/disk/by-id/scsi-rootvol-part8 4
/dev/disk/by-id/scsi-rootvol-part9 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part1 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part10 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part11 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part12 1
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part13 1
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part14 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part15 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part2 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part5 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part6 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part7 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part8 4
/dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273-part9 4
/dev/sda 4
/dev/sda1 4
/dev/sda10 4
/dev/sda11 4
/dev/sda12 4
/dev/sda13 4
/dev/sda14 4
/dev/sda15 4
/dev/sda2 4
/dev/sda5 4
/dev/sda6 4
/dev/sda7 4
/dev/sda8 4
/dev/sda9 4
/dev/sdb 1
/dev/sdb1 1
/dev/sdb10 1
/dev/sdb11 1
/dev/sdb12 1
/dev/sdb13 1
/dev/sdb14 1
/dev/sdb15 1
/dev/sdb2 1
/dev/sdb5 1
/dev/sdb6 1
/dev/sdb7 1
/dev/sdb8 1
/dev/sdb9 1
/dev/sdc 4
/dev/sdc1 4
/dev/sdc10 4
/dev/sdc11 4
/dev/sdc12 4
/dev/sdc13 4
/dev/sdc14 4
/dev/sdc15 4
/dev/sdc2 4
/dev/sdc5 4
/dev/sdc6 4
/dev/sdc7 4
/dev/sdc8 4
/dev/sdc9 4
/dev/sdd 1
/dev/sdd1 1
/dev/sdd10 1
/dev/sdd11 1
/dev/sdd12 1
/dev/sdd13 1
/dev/sdd14 1
/dev/sdd15 1
/dev/sdd2 1
/dev/sdd5 1
/dev/sdd6 1
/dev/sdd7 1
/dev/sdd8 1
/dev/sdd9 1


**

[Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-04-08 Thread John Morrissey 
I should also note that the errant behavior has changed a little since
we first observed it; events used to be generated constantly, but now
there are large bursts every ~20s.

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Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing

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[Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2011-04-07 Thread John Morrissey 
What additional information do you need?

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Re: [Bug 350936] Re: Should shut down domains on system shutdown

2011-03-18 Thread John Morrissey 
On Fri, Mar 18, 2011 at 05:13:55PM -, Lars Hansson wrote:
 The problem with the upstart solution is that it doesn't work since
 Upstart will kill the virsh instances that you spawn in
 shutdown_guests.

That's only the case if you don't follow the instructions to patch sendsigs
to avoid that bug:

 #44: John Morrissey wrote on 2010-09-17:
 Finally, this modified upstart job requires the fix for
 https://bugs.launchpad.net/ubuntu/+source/sysvinit/+bug/639940. Otherwise,
 the libvirt-bin pre-stop script isn't guaranteed to finish successfully,
 since sendsigs races the child processes executed during the course of the
 job script.

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Title:
  Should shut down domains on system shutdown

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[Bug 579596] Re: VNC console doesn't accept keyboard input during PXE boot

2010-11-15 Thread John Morrissey 
I imagine this is still a problem, since the only update (to the qemu-
kvm or syslinux packages in lucid) since I reported this bug was to fix
an iovec memory leak in qemu-kvm.

I'm not sure if the problem lies in qemu-kvm or in syslinux. What it
boils down to is that newer versions of qemu-kvm don't work with
syslinux  3.86, but I'm not sure what the underlying problem is. Like I
said, I looked through the upstream syslinux changelogs and didn't
notice any obvious changes that would have fixed this.

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Re: [Bug 350936] Re: Should shut down domains on system shutdown

2010-11-04 Thread John Morrissey 
On Thu, Nov 04, 2010 at 11:43:10AM -, Valentijn Sessink wrote:
 The proposals in this report (mine, John Morrissey's) all have a pre-
 stop shutdown of virtual machines in their Upstart conf-file.
 
 When you update libvirt-bin, dpkg will stop libvirt-bin before
 upgrading. As a result — if you have implemented the pre-stop shutdown —
 your virtual machines will all stop.

Sorry, that's incorrect.

The libvirt-bin upstart job I wrote will only shut down VMs if the physical
machine is entering runlevels 0 or 6 (i.e., shutdown or reboot):

--
pre-stop script
if [ -z $RUNLEVEL ]; then
exit 0
fi
if [ $RUNLEVEL -ne 0 ]  [ $RUNLEVEL -ne 6 ]; then
exit 0
fi
--

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Re: [Bug 350936] Re: Should shut down domains on system shutdown

2010-10-23 Thread John Morrissey 
On Sat, Oct 02, 2010 at 02:54:47AM -, Nathan Crawford wrote:
  FWIW, you might want to mark /etc/default/libvirt-bin as a conffile in
  the libvirt packaging.
 
 I think it already is? (dpkg --status libvirt-bin says it is... but I've
 been changing things all over the place so I might have confused it)

Yes, my fault. debhelper probably adds it as a conffile automatically.

 Also, are these changes based on Lucid packages? The Lucid machine I'm
 using for testing has a kernel panic on shutdown with the packages from
 my PPA installed.

Yes, I'm running these changes on a number of lucid machines. Maybe the
changed behavior triggers something in the kernel that's causing a panic?
I can't really say without seeing the full panic output.

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Re: [Bug 350936] Re: Should shut down domains on system shutdown

2010-10-01 Thread John Morrissey 
On Fri, Oct 01, 2010 at 03:47:07AM -, Nathan Crawford wrote:
 @John Morrissey - Nice work on getting this working! I hope you don't
 mind, I've taken the liberty of packaging all your changes and putting
 them in a PPA for easier testing.

Thanks, and packaging the changes is no problem at all.

FWIW, you might want to mark /etc/default/libvirt-bin as a conffile in the
libvirt packaging. Also, it might make more sense to package
omit-kvm-vm-pids as part of libvirt instead of a separate package; makes it
harder to forget to install it.

 One question on omit-kvm-vm-pids from #51, what does the '##*/' mean
 toward the end of line 26?

It's a shell construct that removes text at the beginning of a parameter. In
this case, the net effect is to remove the leading pathname, so all that's
left is the filename ('##' is longest match, and the pattern is '*/'). Since
it's a shell builtin, it's faster than calling basename(1), although speed
is arguably important here. :-)

Looking at it again, that for loop should probably have a guard so it
gracefully handles the case where no QEMU VMs are running:

for pidfile in /var/run/libvirt/qemu/*.pid; do
if [ $pidfile = '/var/run/libvirt/qemu/*.pid' ]; then
break
fi
if ! cp -f $pidfile 
/lib/init/rw/sendsigs.omit.d/libvirt-bin-${pidfile##*/}; then
status=1
fi
done

john
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Re: [Bug 350936] Re: Should shut down domains on system shutdown

2010-09-22 Thread John Morrissey 
On Wed, Sep 22, 2010 at 09:47:47AM -, Valentijn Sessink wrote:
 - if the shutdown script searches for the word running (like mine does,
 - but John Morrissey's script is affected, too), it must set LANG=C at the
 - top, otherwise virsh will run in the local language.

Good catch. I've updated libvirt-bin.conf; let's see if LP accepts
attachments via e-mail.

john
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** Attachment added: libvirt-bin.conf
   
https://bugs.launchpad.net/bugs/350936/+attachment/1622533/+files/libvirt-bin.conf

** Attachment added: omit-kvm-vm-pids
   
https://bugs.launchpad.net/bugs/350936/+attachment/1622534/+files/omit-kvm-vm-pids

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[Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2010-09-21 Thread John Morrissey 
For example, running 'multipath -v0 /dev/sda' while watching 'udevadm
monitor -e' shows one event generated for each path, each time the
multipath command is run. Each even would generate another multipath(8)
invocation.

Looks like the multipath(8) action in 95-multipath.rules is causing an
infinite event loop.

** Package changed: udev (Ubuntu) = multipath-tools (Ubuntu)

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[Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

2010-09-21 Thread John Morrissey 
Looks like this call to multipath(8) in the udev rules was added quite a
while ago. I'm not sure where to go from here; our hardy machines don't
exhibit this behavior, and I'm not sure what's generating the events or
how to break the loop short of commenting out the udev rule action.

multipath-tools (0.4.8-11) unstable; urgency=low
[...]
  * [4f8a5d1] Call multipath via udev on block device add/change events This
helps slow devices when either /etc/init.d/multipath-tools-boot or the
initramfs script are being run although the devices are not ready yet.
(Closes: #489850) - many thanks to Janusz Dziemidowicz for his suggestions
and testing 
[...]
 -- Guido Guenther a...@sigxcpu.org  Wed, 30 Jul 2008 17:59:03 -0400

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[Bug 644481] Re: 95-kpartx.rules uses invalid -Q argument to modprobe(8)

2010-09-21 Thread John Morrissey 
0.4.8-14ubuntu4. Sorry, I forgot to mention that.

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[Bug 350936] Re: Should shut down domains on system shutdown

2010-09-17 Thread John Morrissey 
The attached file updates libvirt-bin's upstart job to gracefully shut
down VMs when the system shuts down. You can alter the shutdown timeout
(SHUTDOWN_TIMEOUT, default: 300s) and list of virsh(1) URIs to use
(URIS, default: qemu:///system) in /etc/default/libvirt-bin.

You'll also need the omit-kvm-vm-pids init script (attachment
forthcoming), which copies the KVM pidfiles to
/lib/init/rw/sendsigs.omit.d, preventing /etc/init.d/sendsigs from
killing KVM VM processes before the updated libvirt-bin upstart job
shuts them down.

Finally, this modified upstart job requires the fix for
https://bugs.launchpad.net/ubuntu/+source/sysvinit/+bug/639940.
Otherwise, the libvirt-bin pre-stop script isn't guaranteed to finish
successfully, since sendsigs races the child processes executed during
the course of the job script.

With all of these changes, VMs shut down gracefully with the physical
host. I would have implemented suspend-on-shutdown (a la the rc script
from libvirt 0.8.2), but lucid has an older libvirt that doesn't support
'virsh managedsave'. Shutting down domains gets us *a lot* of the way
there, anyway. In fact, I run some largeish KVM hosts, and saving
30-60GB of memory images to disk before shutdown strikes me as less
useful than shutting the domains down.

sudo service stop libvirt-bin
sudo cp libvirt-bin.conf /etc/init/
sudo kill -HUP 1
sudo service start libvirt-bin
sudo cp omit-kvm-vm-pids /etc/init.d/
sudo update-rc.d omit-kvm-vm-pids defaults
sudo cp -f sendsigs /etc/init.d/  # get fixed sendsigs from LP#639940


** Attachment added: Stop libvirt VMs gracefully on system shutdown
   
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/350936/+attachment/1599109/+files/libvirt-bin.conf

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[Bug 350936] Re: Should shut down domains on system shutdown

2010-09-17 Thread John Morrissey 

** Attachment added: omit-kvm-vm-pids
   
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/350936/+attachment/1599117/+files/omit-kvm-vm-pids

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[Bug 350936] Re: Should shut down domains on system shutdown

2010-09-17 Thread John Morrissey 
@francesco, #46
The packaging is cleaner and easier with the rc script running before sendsigs 
(which is also an rc script). That way, the initscripts package/sendsigs 
doesn't need to carry around special behavior for libvirt-bin and any other 
packages that don't need this type of fix.

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[Bug 350936] Re: Should shut down domains on system shutdown

2010-09-17 Thread John Morrissey 
Er, s/don't need/need/

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[Bug 579596] Re: VNC console doesn't accept keyboard input during PXE boot

2010-05-21 Thread John Morrissey 
Upgrading to a new version of pxelinux fixes this. We had been running
these:

# lenny
PXELINUX 3.71 Debian-2008-09-06  Copyright (C) 1994-2008 H. Peter Anvin
# Ubuntu lucid
PXELINUX 3.63 Debian-2008-07-15 

3.86, from Debian squeeze/sid seems to have fixed this.

PXELINUX 3.86 debian-20100418  Copyright (C) 1994-2010 H. Peter Anvin et
al

I looked over the syslinux Debian and upstream changelogs, but nothing
jumps out at me.

Our other hosts run KVM 85 or qemu-kvm 0.11.1+dfsg-1. They had been fine
with pxelinux 3.63 or 3.71 (we PXE boot nearly all our new VMs for OS
installation). FWIW, they also seem to be fine with 3.86.

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[Bug 579596] Re: VNC console doesn't accept keyboard input during PXE boot

2010-05-20 Thread John Morrissey 
** Bug watch added: Debian Bug tracker #582434
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=582434

** Also affects: qemu-kvm (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=582434
   Importance: Unknown
   Status: Unknown

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[Bug 579596] [NEW] VNC console doesn't accept keyboard input during PXE boot

2010-05-12 Thread John Morrissey 
Public bug reported:

Binary package hint: qemu-kvm

On lucid, I'm PXE booting a VM.

Keyboard input on the VNC console works fine until PXELinux loads, so I
can answer N to:

Boot from (N)etwork or (Q)uit? N

just fine, but once PXELinux loads, the VNC console ignores all keyboard
input at the boot: prompt. No matter what keystrokes I hit, nothing
happens on the VNC console.

Input on PXELinux's *serial* console works fine. I can boot a target and
keyboard input on the VNC console works fine when the target boots. What
I type on the PXELinux serial console appears in the PXELinux VNC
console. Interestingly, if I request a nonexistent boot target on the
serial console, the VNC console starts accepting keyboard input. For
example:

r...@pxe-244:~# virsh console foo
Connected to domain foo
Escape character is ^]

PXELINUX 3.63 Debian-2008-07-15  Copyright (C) 1994-2008 H. Peter Anvin
boot: a
Could not find kernel image: a
boot: 

The VNC console now accepts keyboard input.

I have kvm-pxe installed (obviously, since the VM *does* successfully
load PXELinux). I'm not sure how to troubleshoot this further, or even
if this is a bug in qemu-kvm proper; this is a strange failure mode.

The libvirt domain XML for the VM I'm booting is below. It was created
by a local tool, but using virt-manager(1) to create and PXE boot a VM
exhibits the same behavior.


domain type='kvm'
  namefoo/name
  uuidc80f27f4-cf2d-2125-9dd5-ca35855bdf42/uuid
  memory2097152/memory
  currentMemory2097152/currentMemory
  vcpu1/vcpu
  os
type arch='x86_64' machine='pc-0.12'hvm/type
boot dev='network'/
  /os
  features
acpi/
  /features
  clock offset='utc'/
  on_poweroffdestroy/on_poweroff
  on_rebootrestart/on_reboot
  on_crashrestart/on_crash
  devices
emulator/usr/bin/kvm/emulator
disk type='file' device='disk'
  source file='/var/lib/libvirt/images/foo.raw'/
  target dev='vda' bus='virtio'/
/disk
interface type='bridge'
  mac address='02:00:00:3d:7c:a5'/
  source bridge='br0'/
  target dev='vnet0'/
  model type='virtio'/
/interface
serial type='pty'
  target port='0'/
/serial
console type='pty'
  target port='0'/
/console
input type='mouse' bus='ps2'/
graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'/
video
  model type='cirrus' vram='9216' heads='1'/
/video
  /devices
/domain

** Affects: qemu-kvm (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 261274] [NEW] clustat(8) truncates columnar output when stdout is not a TTY

2008-08-25 Thread John Morrissey 
Public bug reported:

Binary package hint: redhat-cluster-suite

I originally discovered this bug in Ubuntu 8.04 LTS. I've also submitted
this as:

https://bugzilla.redhat.com/show_bug.cgi?id=460060


Description of problem:
clustat(8) offers no way of obtaining untruncated columns when its stdout is
not a TTY. As a result, it is impossible to obtain untruncated service names
when calling clustat(8) from a script or any situation where its output is
being parsed programmatically.

Version-Release number of selected component (if applicable):
Latest available in RHEL5. The cluster3 master branch at:

http://sources.redhat.com/cluster/wiki/

also exhibits this behavior.

How reproducible:
Always.


From rgmanager/src/utils/clustat.c:

  34 int dimx = 80, dimy = 24, stdout_is_tty = 0;
[...]
1103 if (isatty(STDOUT_FILENO)) {
1104 stdout_is_tty = 1;
1105 setupterm((char *) 0, STDOUT_FILENO, (int *) 0);
1106 dimx = tigetnum(cols);
1107 dimy = tigetnum(lines);
1108 }

dimx is initialized to 80 columns. No code other than the above modifies dimx.
Therefore, when the environment variable COLUMNS is set, its value is never
honored when stdout is not going to a TTY. This causes the Service Name column
to be truncated as though the output was being emitted on an 80-column
terminal:

 Service Name   Owner (Last)   State 
 ---    - --   - 
 service:cl01-svc01.roch.ny.exa (cl01-host01)  disabled  
 service:cl01-svc02.roch.ny.exa (cl01-host02)  disabled  
 service:cl01-svc03.roch.ny.exa cl01-host03started   
 service:cl01-svc04.roch.ny.exa cl01-host04started   

Ideally, columnar data would *never* be truncated when output is not going to a
TTY, so programmatic callers do not have to worry about setting COLUMNS.

** Affects: redhat-cluster-suite (Ubuntu)
 Importance: Undecided
 Status: New

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