Re: [ovirt-users] Simple way to activate live merge in FC20 cluster
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------=_NextPartTM-000-22c26c4f-3e01-45ee-854b-af66f8d415be Content-Type: multipart/alternative; boundary="_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C16DCEXCHANGEcollogi_" --_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C16DCEXCHANGEcollogi_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Gianluca, it took me some time to correct my misunderstanding. I advised to update only libvirt as I was aware of the (old) block-commit command of qemu. With that you can merge snapshots in the chain (history) but not into the active layer (the current running state). Merging data into the active layer needs active-commit that is available since qemu 2.0 . That explains the error you got. OVirt makes use of the second scenario so no luck without a full installati= on of virt-preview repos or a jump towards FC21. Markus ________________________________ Von: users-bounces@ovirt.org [users-bounces@ovirt.org]" im Auftrag von "Mar= kus Stockhausen [stockhausen@collogia.de] Gesendet: Freitag, 21. November 2014 08:38 An: Gianluca Cecchi Cc: s k; users@ovirt.org Betreff: Re: [ovirt-users] Simple way to activate live merge in FC20 cluste= r Wow. Very quick test. Thanks for sharing the results. I will have a look wh= at qemu 1.6.2 might need. Regarding stability of qemu 2.1.2: You should scan the qemu stable mailing = list if some severe fixes have been posted after the release. If you feel = comfortable take qemu from the preview repos too. Just a simple yum update. Remark: With the advent of FC21 virt-preview for FC20 might see no furthe= r fixes. Markus Am 21.11.2014 01:46 schrieb Gianluca Cecchi <gianluca.cecchi@gmail.com>: On Fri, Nov 21, 2014 at 1:38 AM, Gianluca Cecchi <gianluca.cecchi@gmail.com= <mailto:gianluca.cecchi@gmail.com>> wrote: [root@tekkaman qemu]# rpm -q qemu qemu-1.6.2-10.fc20.x86_64 [snip] libvirtError: unsupported configuration: active commit not supported with t= his QEMU binary OK, I reply to myself The error above is explanatory... I didn't notice that only the libvirt part is included in the ovirt-3.5-fed= ora-virt-preview repo: " [ovirt-3.5-fedora-virt-preview] name=3DVirtualization packages from Rawhide built for latest Fedora baseurl=3Dhttp://fedorapeople.org/groups/virt/virt-preview/fedora-$releasev= er/$basearch enabled=3D1 skip_if_unavailable=3D1 gpgcheck=3D0 includepkgs=3Dlibvirt* " SO I think I need qemu-2.1.2-6.fc20.x86_64.rpm and probably other packages = as provided by virt-preview. What could be the safest way to include further qemu packages? How stable is qemu 2.1.2 at this time? Thanks, Gianluca --_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C16DCEXCHANGEcollogi_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html dir=3D"ltr"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> <style type=3D"text/css" id=3D"owaParaStyle"></style> </head> <body fpstyle=3D"1" ocsi=3D"0"> <div style=3D"direction: ltr;font-family: Tahoma;color: #000000;font-size: = 10pt;">Hi Gianluca, <div><br> </div> <div>it took me some time to correct my misunderstanding. I advised to upda= te</div> <div>only libvirt as I was aware of the (old) block-commit command of qemu.= </div> <div>With that you can merge snapshots in the chain (history) but not into = the </div> <div>active <span style=3D"font-size: 10pt;">layer (the current <= /span><span style=3D"font-size: 10pt;">running state). Merging data into th= e active</span></div> <div><span style=3D"font-size: 10pt;">layer needs active-commit that is ava= ilable since qemu 2.0 . That explains </span></div> <div><span style=3D"font-size: 10pt;">the </span><span style=3D"font-s= ize: 10pt;">error you got.</span></div> <div><span style=3D"font-size: 10pt;"><br> </span></div> <div><span style=3D"font-size: 10pt;">OVirt makes use of the second scenari= o so no luck without a full installation</span></div> <div><span style=3D"font-size: 10pt;">of virt-preview repos or a jump towar= ds FC21.</span></div> <div> <div><br> </div> <div>Markus</div> <div><br> <div style=3D"font-family: Times New Roman; color: #000000; font-size: 16px= "> <hr tabindex=3D"-1"> <div id=3D"divRpF426740" style=3D"direction: ltr;"><font face=3D"Tahoma" si= ze=3D"2" color=3D"#000000"><b>Von:</b> users-bounces@ovirt.org [users-bounc= es@ovirt.org]" im Auftrag von "Markus Stockhausen [stockhausen@co= llogia.de]<br> <b>Gesendet:</b> Freitag, 21. November 2014 08:38<br> <b>An:</b> Gianluca Cecchi<br> <b>Cc:</b> s k; users@ovirt.org<br> <b>Betreff:</b> Re: [ovirt-users] Simple way to activate live merge in FC20= cluster<br> </font><br> </div> <div></div> <div> <p dir=3D"ltr">Wow. Very quick test. Thanks for sharing the results. I will= have a look what qemu 1.6.2 might need.</p> <p dir=3D"ltr">Regarding stability of qemu 2.1.2: You should scan the qemu = stable mailing list if some severe fixes have been posted after the r= elease. If you feel comfortable take qemu from the preview repos too.= </p> <p dir=3D"ltr">Just a simple yum update.</p> <p dir=3D"ltr">Remark: With the advent of FC21 virt-preview for FC20 = might see no further fixes.</p> <p dir=3D"ltr">Markus</p> <div class=3D"gmail_quote">Am 21.11.2014 01:46 schrieb Gianluca Cecchi <= gianluca.cecchi@gmail.com>:<br type=3D"attribution"> <blockquote class=3D"quote" style=3D"margin:0 0 0 .8ex; border-left:1px #cc= c solid; padding-left:1ex"> <div> <div dir=3D"ltr"> <div> <div class=3D"elided-text">On Fri, Nov 21, 2014 at 1:38 AM, Gianluca Cecchi= <span dir=3D"ltr"> <<a href=3D"mailto:gianluca.cecchi@gmail.com" target=3D"_blank">gianluca= .cecchi@gmail.com</a>></span> wrote:<br> <blockquote style=3D"margin:0px 0px 0px 0.8ex; border-left:1px solid rgb(20= 4 ,204 ,204); padding-left:1ex"> <div dir=3D"ltr"><br> <div><br> [root@tekkaman qemu]# rpm -q qemu<br> qemu-1.6.2-10.fc20.x86_64<br> <br> </div> </div> </blockquote> <div>[snip] <br> </div> <blockquote style=3D"margin:0px 0px 0px 0.8ex; border-left:1px solid rgb(20= 4 ,204 ,204); padding-left:1ex"> <div dir=3D"ltr"> <div></div> <br> <div>libvirtError: unsupported configuration: active commit not supported w= ith this QEMU binary<br> <br> </div> </div> </blockquote> </div> <br> <br> </div> <div>OK, I reply to myself<br> </div> <div>The error above is explanatory...<br> </div> <div>I didn't notice that only the libvirt part is included in the ovirt-3.= 5-fedora-virt-preview repo:<br> </div> <div><br> "<br> [ovirt-3.5-fedora-virt-preview]<br> name=3DVirtualization packages from Rawhide built for latest Fedora<br> baseurl=3D<a href=3D"http://fedorapeople.org/groups/virt/virt-preview/fedor= a-$releasever/$basearch" target=3D"_blank">http://fedorapeople.org/groups/v= irt/virt-preview/fedora-$releasever/$basearch</a><br> enabled=3D1<br> skip_if_unavailable=3D1<br> gpgcheck=3D0<br> includepkgs=3Dlibvirt*<br> "<br> <br> </div> <div>SO I think I need qemu-2.1.2-6.fc20.x86_64.rpm and probably other pack= ages as provided by virt-preview.<br> </div> <div>What could be the safest way to include further qemu packages?<br> </div> <div>How stable is qemu 2.1.2 at this time?<br> <br> </div> <div>Thanks,<br> Gianluca<br> </div> </div> </div> </blockquote> </div> </div> </div> </div> </div> </div> </body> </html> --_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C16DCEXCHANGEcollogi_-- ------=_NextPartTM-000-22c26c4f-3e01-45ee-854b-af66f8d415be Content-Type: text/plain; name="InterScan_Disclaimer.txt" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="InterScan_Disclaimer.txt" **************************************************************************** Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte Informationen. 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On Fri, Nov 21, 2014 at 4:01 PM, Markus Stockhausen <stockhausen@collogia.de
wrote:
Hi Gianluca,
it took me some time to correct my misunderstanding. I advised to update only libvirt as I was aware of the (old) block-commit command of qemu. With that you can merge snapshots in the chain (history) but not into the active layer (the current running state). Merging data into the active layer needs active-commit that is available since qemu 2.0 . That explains the error you got.
OVirt makes use of the second scenario so no luck without a full installation of virt-preview repos or a jump towards FC21.
Markus
it seems not so... In my F20 oVirt 3.5 All-In-One with libvirt-1.2.9.1-1.fc20.x86_64 and qemu-1.6.2-10.fc20.x86_64 I have: Situation on a C7 VM Date Status Description Current OK Active VM 2014-Nov-23, 12:01 OK one_after_first 2014-Nov-21, 00:54 OK test per live merge - Trying to delete "one_after_first" Thread-13::DEBUG::2014-11-23 12:04:15,782::libvirtconnection::143::root::(wrapper) Unknown libvirterror: ecode: 67 edom: 10 l evel: 2 message: unsupported configuration: active commit not supported with this QEMU binary Thread-13::ERROR::2014-11-23 12:04:15,783::vm::5751::vm.Vm::(merge) vmId=`0ba6a56b-542c-480e-8bab-88aea9195302`::Live merge f ailed (job: 10c6aed1-3f03-439a-b037-e1b6c55ecada) Traceback (most recent call last): File "/usr/share/vdsm/virt/vm.py", line 5747, in merge flags) File "/usr/share/vdsm/virt/vm.py", line 670, in f ret = attr(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 111, in wrapper ret = f(*args, **kwargs) File "/usr/lib64/python2.7/site-packages/libvirt.py", line 638, in blockCommit if ret == -1: raise libvirtError ('virDomainBlockCommit() failed', dom=self) libvirtError: unsupported configuration: active commit not supported with this QEMU binary - Trying to delete "test per live merge" Thread-13::DEBUG::2014-11-23 12:10:35,901::libvirtconnection::143::root::(wrapper) Unknown libvirterror: ecode: 67 edom: 10 l evel: 2 message: unsupported configuration: this qemu doesn't support relative blockpull Thread-13::ERROR::2014-11-23 12:10:35,902::vm::5751::vm.Vm::(merge) vmId=`0ba6a56b-542c-480e-8bab-88aea9195302`::Live merge f ailed (job: e0433ad1-cb2c-4b09-b2fc-9c9d4e513957) Traceback (most recent call last): File "/usr/share/vdsm/virt/vm.py", line 5747, in merge flags) File "/usr/share/vdsm/virt/vm.py", line 670, in f ret = attr(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 111, in wrapper ret = f(*args, **kwargs) File "/usr/lib64/python2.7/site-packages/libvirt.py", line 638, in blockCommit if ret == -1: raise libvirtError ('virDomainBlockCommit() failed', dom=self) libvirtError: unsupported configuration: this qemu doesn't support relative blockpull
On Sun, Nov 23, 2014 at 12:13 PM, Gianluca Cecchi <gianluca.cecchi@gmail.com
wrote:
it seems not so... In my F20 oVirt 3.5 All-In-One with libvirt-1.2.9.1-1.fc20.x86_64 and qemu-1.6.2-10.fc20.x86_64 I have:
Situation on a C7 VM
Date Status Description Current OK Active VM 2014-Nov-23, 12:01 OK one_after_first 2014-Nov-21, 00:54 OK test per live merge
- Trying to delete "one_after_first"
[snip]
libvirtError: unsupported configuration: active commit not supported with this QEMU binary
- Trying to delete "test per live merge"
[snip]
libvirtError: unsupported configuration: this qemu doesn't support relative blockpull
As F21 is at TC3 level and final releae expected for 09/12 I decided to enable the whole virt-preview repo in my f20 all-in-one system. After commenting out the line inside /etc/yum.repos.d/ovirt-3.5-dependencies.repo so that it becomes #includepkgs=libvirt* Packages installed were Dependency Installed: SDL2.x86_64 0:2.0.3-1.fc20 qemu-system-aarch64.x86_64 2:2.1.2-6.fc20 Updated: SLOF.noarch 0:0.1.git20140630-1.fc20 ipxe-roms-qemu.noarch 0:20140303-3.gitff1e7fc7.fc20 kmod-nvidia-304xx-3.17.3-200.fc20.x86_64.x86_64 0:304.123-1.fc20.19 libcacard.x86_64 2:2.1.2-6.fc20 libosinfo.x86_64 0:0.2.11-2.fc20 openbios.noarch 0:1.1.svn1306-1.fc20 qemu.x86_64 2:2.1.2-6.fc20 qemu-common.x86_64 2:2.1.2-6.fc20 qemu-img.x86_64 2:2.1.2-6.fc20 qemu-kvm.x86_64 2:2.1.2-6.fc20 qemu-system-alpha.x86_64 2:2.1.2-6.fc20 qemu-system-arm.x86_64 2:2.1.2-6.fc20 qemu-system-cris.x86_64 2:2.1.2-6.fc20 qemu-system-lm32.x86_64 2:2.1.2-6.fc20 qemu-system-m68k.x86_64 2:2.1.2-6.fc20 qemu-system-microblaze.x86_64 2:2.1.2-6.fc20 qemu-system-mips.x86_64 2:2.1.2-6.fc20 qemu-system-moxie.x86_64 2:2.1.2-6.fc20 qemu-system-or32.x86_64 2:2.1.2-6.fc20 qemu-system-ppc.x86_64 2:2.1.2-6.fc20 qemu-system-s390x.x86_64 2:2.1.2-6.fc20 qemu-system-sh4.x86_64 2:2.1.2-6.fc20 qemu-system-sparc.x86_64 2:2.1.2-6.fc20 qemu-system-unicore32.x86_64 2:2.1.2-6.fc20 qemu-system-x86.x86_64 2:2.1.2-6.fc20 qemu-system-xtensa.x86_64 2:2.1.2-6.fc20 qemu-user.x86_64 2:2.1.2-6.fc20 seabios-bin.noarch 0:1.7.5-3.fc20 seavgabios-bin.noarch 0:1.7.5-3.fc20 sgabios-bin.noarch 1:0.20110622svn-7.fc20 virt-install.noarch 0:1.1.0-4.git310f6527.fc20 virt-manager-common.noarch 0:1.1.0-4.git310f6527.fc20 Complete! After reboot I was able to successfully merge both the two previous reported snapshots: 2014-Nov-23, 16:23 Snapshot 'one_after_first' deletion for VM 'c7' was initiated by admin. 2014-Nov-23, 16:24 Snapshot 'one_after_first' deletion for VM 'c7' has been completed. 2014-Nov-23, 16:25 Snapshot 'test per live merge' deletion for VM 'c7' was initiated by admin. 2014-Nov-23, 16:27 Snapshot 'test per live merge' deletion for VM 'c7' has been completed. Gianluca
participants (2)
-
Gianluca Cecchi -
Markus Stockhausen