<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hello oVirt gurus,<br></div><div><br data-mce-bogus="1"></div><div>When activating/deactivating memory balloning on VM, this will change&nbsp;/usr/libexec/qemu-kvm command line on host on vm startup (you can see it using "ps aux"). </div><div>So I understand a vm reboot is needed to take this change into account.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>But when activating/deactivating memory balloning on Cluster (plus MoM Sync on host) I do not really understand what happens "under the hood"<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>- Is there a mechanism on host which controls "memory balloning" globally?<br data-mce-bogus="1"></div><div>- Is it able to change it's behaviour "on the fly" with "MoM Sync" ?<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div data-marker="__SIG_PRE__"><div>If you have any information, it would be greatly appreciated</div><div><br data-mce-bogus="1"></div><div>cordialement, regards,</div><div><br data-mce-bogus="1"></div><table style="margin: 0px; table-layout: fixed; border: none; width: 345pt; padding: 0px;" data-mce-style="margin: 0px; table-layout: fixed; border: none; width: 345pt; padding: 0px;" width="460" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="margin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 86.25pt; text-align: left;" data-mce-style="margin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 86.25pt; text-align: left;" width="115" valign="top"><a href="https://www.lyra-network.com/" style="border: none; text-decoration: none; width: 100%; display: block; clear: both;" data-mce-href="https://www.lyra-network.com/" data-mce-style="border: none; text-decoration: none; width: 100%; display: block; clear: both;"><img src="cid:96366d21eaf0a7ec7643a618c10bbede615a81ff@zimbra" alt="" data-mce-src="/home/admin@lyra-network.com/corporate-documents/element-signature_logo_lyra_115x94.jpg" doc="corporate-documents/element-signature_logo_lyra_115x94.jpg" height="94" width="115" border="0"></a><br data-mce-bogus="1"></td><td style="margin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 258.75pt;" data-mce-style="margin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 258.75pt;" width="345" valign="top"><table style="margin: 0; width: 258.75pt; table-layout: fixed; border: none;" data-mce-style="margin: 0; width: 258.75pt; table-layout: fixed; border: none;" width="345" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="font-size: 16px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 18px; font-weight: bold;" data-mce-style="font-size: 16px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 18px; font-weight: bold;">Nelson LAMEIRAS</td></tr><tr><td style="font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11px; line-height: 16px;" data-mce-style="font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11px; line-height: 16px;">Ingénieur Systèmes et Réseaux<span style="font-family: Arial,sans-serif; color: #337ab7; font-size: 11px;" data-mce-style="font-family: Arial,sans-serif; color: #337ab7; font-size: 11px;"> / Systems and Networks engineer</span></td></tr><tr><td style="line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;" data-mce-style="line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;"><span style="font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11px;" data-mce-style="font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11px;">Tel: +33 5 32 09 09 70</span></td></tr><tr><td style="line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;" data-mce-style="line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;"><a href="mailto:nelson.lameiras@lyra-network.com" style="font-size: 11px; font-family: Arial,sans-serif; line-height: 16px; text-decoration: none;" data-mce-href="mailto:nelson.lameiras@lyra-network.com" data-mce-style="font-size: 11px; font-family: Arial,sans-serif; line-height: 16px; text-decoration: none;">nelson.lameiras@lyra-network.com</a><br data-mce-bogus="1"></td></tr><tr><td style="line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;" data-mce-style="line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;"><a href="https://www.lyra-network.com/" style="font-size: 11px; font-family: Arial,sans-serif; line-height: 16px; border: none; text-decoration: none;" data-mce-href="https://www.lyra-network.com/" data-mce-style="font-size: 11px; font-family: Arial,sans-serif; line-height: 16px; border: none; text-decoration: none;">www.lyra-network.com</a> <a 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