[Yahoo-eng-team] [Bug 1196924] Re: Stop and Delete operations should give the Guest a chance to shutdown
This bug was fixed in the package nova - 1:2014.1.5-0ubuntu1.2 --- nova (1:2014.1.5-0ubuntu1.2) trusty; urgency=medium * Add rsyslog retry support (LP: #1459046) - d/p/add-support-for-syslog-connect-retries.patch * Add vm clean shutdown support (LP: #1196924) - d/p/clean-shutdown.patch -- Edward Hope-Morley edward.hope-mor...@canonical.com Thu, 16 Jul 2015 11:55:57 +0100 ** Changed in: nova (Ubuntu Trusty) Status: Fix Committed = Fix Released -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1196924 Title: Stop and Delete operations should give the Guest a chance to shutdown Status in OpenStack Compute (nova): Fix Released Status in nova package in Ubuntu: Fix Released Status in nova source package in Trusty: Fix Released Bug description: This feature will cause an ACPI event to be sent to the system while shutting down, and the acpid running inside the system can catch the event, thus giving the system a chance to shutdown cleanly. [Impact] * VMs being shutdown with any signal/notification from the The hypervisor level, services running inside VMs have no chance to perform a clean shutoff [Test Case] * 1. stop a VM 2. the VM is shutdown without any notification The can be easily seen by ssh into the system before shutting down. With the patch in place, the ssh session will be close during shutdown, because the sshd has the chance to close the connection before being brought down. Without the patch, the ssh session will just hang there for a while until timeout, because the connection is not promptly closed. To leverage the clean shutdown feature, one can create a file named /etc/acpi/events/power that contains the following: event=button/power action=/etc/acpi/power.sh %e Then create a file named /etc/acpi/power.sh that contains whatever required to gracefully shutdown a particular server (VM). With the apicd running, shutdown of the VM will cause the rule in /etc/acpi/events/power to trigger the script in /etc/acpi/power.sh, thus cleanly shutdown the system. [Regression Potential] * none Currently in libvirt stop and delete operations simply destroy the underlying VM. Some GuestOS's do not react well to this type of power failure, and it would be better if these operations followed the same approach a a soft_reboot and give the guest a chance to shutdown gracefully. Even where VM is being deleted, it may be booted from a volume which will be reused on another server. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1196924/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
[Yahoo-eng-team] [Bug 1196924] Re: Stop and Delete operations should give the Guest a chance to shutdown
** Changed in: nova (Ubuntu) Status: In Progress = Fix Released -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1196924 Title: Stop and Delete operations should give the Guest a chance to shutdown Status in OpenStack Compute (nova): Fix Released Status in nova package in Ubuntu: Fix Released Status in nova source package in Trusty: In Progress Bug description: This feature will cause an ACPI event to be sent to the system while shutting down, and the acpid running inside the system can catch the event, thus giving the system a chance to shutdown cleanly. [Impact] * VMs being shutdown with any signal/notification from the The hypervisor level, services running inside VMs have no chance to perform a clean shutoff [Test Case] * 1. stop a VM 2. the VM is shutdown without any notification The can be easily seen by ssh into the system before shutting down. With the patch in place, the ssh session will be close during shutdown, because the sshd has the chance to close the connection before being brought down. Without the patch, the ssh session will just hang there for a while until timeout, because the connection is not promptly closed. To leverage the clean shutdown feature, one can create a file named /etc/acpi/events/power that contains the following: event=button/power action=/etc/acpi/power.sh %e Then create a file named /etc/acpi/power.sh that contains whatever required to gracefully shutdown a particular server (VM). With the apicd running, shutdown of the VM will cause the rule in /etc/acpi/events/power to trigger the script in /etc/acpi/power.sh, thus cleanly shutdown the system. [Regression Potential] * none Currently in libvirt stop and delete operations simply destroy the underlying VM. Some GuestOS's do not react well to this type of power failure, and it would be better if these operations followed the same approach a a soft_reboot and give the guest a chance to shutdown gracefully. Even where VM is being deleted, it may be booted from a volume which will be reused on another server. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1196924/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
[Yahoo-eng-team] [Bug 1196924] Re: Stop and Delete operations should give the Guest a chance to shutdown
** Also affects: nova (Ubuntu Trusty) Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1196924 Title: Stop and Delete operations should give the Guest a chance to shutdown Status in OpenStack Compute (nova): Fix Released Status in nova package in Ubuntu: In Progress Status in nova source package in Trusty: New Bug description: [Impact] * VMs being shutdown with any signal/notification from the The hypervisor level, services running inside VMs have no chance to perform a clean shutoff [Test Case] * 1. stop a VM 2. the VM is shutdown without any notification [Regression Potential] * none Currently in libvirt stop and delete operations simply destroy the underlying VM. Some GuestOS's do not react well to this type of power failure, and it would be better if these operations followed the same approach a a soft_reboot and give the guest a chance to shutdown gracefully. Even where VM is being deleted, it may be booted from a volume which will be reused on another server. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1196924/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
[Yahoo-eng-team] [Bug 1196924] Re: Stop and Delete operations should give the Guest a chance to shutdown
** Also affects: nova (Ubuntu) Importance: Undecided Status: New ** Changed in: nova (Ubuntu) Assignee: (unassigned) = Liang Chen (cbjchen) -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1196924 Title: Stop and Delete operations should give the Guest a chance to shutdown Status in OpenStack Compute (Nova): Fix Released Status in nova package in Ubuntu: New Bug description: [Impact] * VMs being shutdown with any signal/notification from the The hypervisor level, services running inside VMs have no chance to perform a clean shutoff [Test Case] * 1. stop a VM 2. the VM is shutdown without any notification [Regression Potential] * none Currently in libvirt stop and delete operations simply destroy the underlying VM. Some GuestOS's do not react well to this type of power failure, and it would be better if these operations followed the same approach a a soft_reboot and give the guest a chance to shutdown gracefully. Even where VM is being deleted, it may be booted from a volume which will be reused on another server. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1196924/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
[Yahoo-eng-team] [Bug 1196924] Re: Stop and Delete operations should give the Guest a chance to shutdown
** Changed in: nova Status: Fix Committed = Fix Released ** Changed in: nova Milestone: next = None -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1196924 Title: Stop and Delete operations should give the Guest a chance to shutdown Status in OpenStack Compute (Nova): Fix Released Bug description: Currently in libvirt stop and delete operations simply destroy the underlying VM. Some GuestOS's do not react well to this type of power failure, and it would be better if these operations followed the same approach a a soft_reboot and give the guest a chance to shutdown gracefully. Even where VM is being deleted, it may be booted from a volume which will be reused on another server. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1196924/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
[Yahoo-eng-team] [Bug 1196924] Re: Stop and Delete operations should give the Guest a chance to shutdown
** Changed in: nova Status: Fix Committed = Fix Released -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1196924 Title: Stop and Delete operations should give the Guest a chance to shutdown Status in OpenStack Compute (Nova): Fix Released Bug description: Currently in libvirt stop and delete operations simply destroy the underlying VM. Some GuestOS's do not react well to this type of power failure, and it would be better if these operations followed the same approach a a soft_reboot and give the guest a chance to shutdown gracefully. Even where VM is being deleted, it may be booted from a volume which will be reused on another server. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1196924/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
[Yahoo-eng-team] [Bug 1196924] Re: Stop and Delete operations should give the Guest a chance to shutdown
The associated change was reverted as it extended the duration of the gate too much ** Changed in: nova Status: Fix Released = In Progress -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1196924 Title: Stop and Delete operations should give the Guest a chance to shutdown Status in OpenStack Compute (Nova): In Progress Bug description: Currently in libvirt stop and delete operations simply destroy the underlying VM. Some GuestOS's do not react well to this type of power failure, and it would be better if these operations followed the same approach a a soft_reboot and give the guest a chance to shutdown gracefully. Even where VM is being deleted, it may be booted from a volume which will be reused on another server. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1196924/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
