[Yahoo-eng-team] [Bug 1411582] Re: [SRU] Azure data source should auto-detect ephemeral disk location
Calling this fix released. ** Changed in: cloud-init Status: In Progress => Fix Released -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to cloud-init. https://bugs.launchpad.net/bugs/1411582 Title: [SRU] Azure data source should auto-detect ephemeral disk location Status in cloud-init: Fix Released Status in cloud-init package in Ubuntu: Fix Released Status in walinuxagent package in Ubuntu: Fix Released Status in cloud-init source package in Precise: Fix Released Status in walinuxagent source package in Precise: Fix Released Status in cloud-init source package in Trusty: Fix Released Status in walinuxagent source package in Trusty: Fix Released Status in cloud-init source package in Utopic: Invalid Status in walinuxagent source package in Utopic: Fix Released Status in cloud-init source package in Vivid: Fix Released Status in walinuxagent source package in Vivid: Fix Released Bug description: [Impact] The Azure ephemeral disk will not necessarily remain at the same /dev/sd* location between reboots. This means the drive may not be persistently mounted between reboots. [Test Case] 1) Boot an Azure instance with a cloud-init including this fix. 2) Ensure that the ephemeral disk is mounted at /mnt and formatted as ext4 3) Ensure that /etc/fstab refers to a /dev/disk/... symlink, rather than a /dev/sd* device. [Regression Potential] We now use a udev rule to discover the location of the disk; we have been assured by Microsoft that this rule will always work, so regression potential is minimal. [Original Report] Currently we assume it will be /dev/sdb, but this may change. There is an example of how to handle this in the Azure Linux agent. To quote stevez in a comment on bug 1410835: Device names are not persistent in Linux and could change, so it is not guaranteed that the ephemeral disk will be called /dev/sdb. Ideally this should be auto-detected in cloud-init at runtime (for example, see DeviceForIdePort() in the Azure Linux agent). To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1411582/+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 1411582] Re: [SRU] Azure data source should auto-detect ephemeral disk location
This bug was fixed in the package cloud-init - 0.7.5-0ubuntu1.8 --- cloud-init (0.7.5-0ubuntu1.8) trusty; urgency=medium * debian/patches/lp-1411582-azure-udev-ephemeral-disks.patch: - Use udev rules to discover ephemeral disk locations rather than hard-coded device names (LP: #1411582). * debian/patches/lp-1470880-fix-gce-az-determination.patch: - Correctly parse GCE's availability zones (LP: #1470880). * d/patches/lp-1470890-include-regions-in-dynamic-mirror-discovery.patch: - Make %(region)s a valid substitution in mirror discovery (LP: #1470890). * Remove python-serial from Build-Depends; it was mistakenly added last upload. -- Daniel Watkins daniel.watk...@canonical.com Fri, 14 Aug 2015 13:54:02 +0100 ** Changed in: cloud-init (Ubuntu Trusty) Status: Fix Committed = Fix Released ** Changed in: cloud-init (Ubuntu Vivid) Status: Fix Committed = Fix Released -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to cloud-init. https://bugs.launchpad.net/bugs/1411582 Title: [SRU] Azure data source should auto-detect ephemeral disk location Status in cloud-init: In Progress Status in cloud-init package in Ubuntu: Fix Released Status in walinuxagent package in Ubuntu: Fix Released Status in cloud-init source package in Precise: Fix Released Status in walinuxagent source package in Precise: Fix Released Status in cloud-init source package in Trusty: Fix Released Status in walinuxagent source package in Trusty: Fix Released Status in cloud-init source package in Utopic: Invalid Status in walinuxagent source package in Utopic: Fix Released Status in cloud-init source package in Vivid: Fix Released Status in walinuxagent source package in Vivid: Fix Released Bug description: [Impact] The Azure ephemeral disk will not necessarily remain at the same /dev/sd* location between reboots. This means the drive may not be persistently mounted between reboots. [Test Case] 1) Boot an Azure instance with a cloud-init including this fix. 2) Ensure that the ephemeral disk is mounted at /mnt and formatted as ext4 3) Ensure that /etc/fstab refers to a /dev/disk/... symlink, rather than a /dev/sd* device. [Regression Potential] We now use a udev rule to discover the location of the disk; we have been assured by Microsoft that this rule will always work, so regression potential is minimal. [Original Report] Currently we assume it will be /dev/sdb, but this may change. There is an example of how to handle this in the Azure Linux agent. To quote stevez in a comment on bug 1410835: Device names are not persistent in Linux and could change, so it is not guaranteed that the ephemeral disk will be called /dev/sdb. Ideally this should be auto-detected in cloud-init at runtime (for example, see DeviceForIdePort() in the Azure Linux agent). To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1411582/+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 1411582] Re: [SRU] Azure data source should auto-detect ephemeral disk location
This bug was fixed in the package cloud-init - 0.6.3-0ubuntu1.19 --- cloud-init (0.6.3-0ubuntu1.19) precise; urgency=medium * debian/patches/lp-1411582-azure-udev-ephemeral-disks.patch: - Use udev rules to discover ephemeral disk locations rather than hard-coded device names (LP: #1411582). * debian/patches/lp-1470880-fix-gce-az-determination.patch: - Correctly parse GCE's availability zones (LP: #1470880). * d/patches/lp-1470890-include-regions-in-dynamic-mirror-discovery.patch: - Make %(region)s a valid substitution in mirror discovery (LP: #1470890). -- Daniel Watkins daniel.watk...@canonical.com Fri, 14 Aug 2015 14:38:48 +0100 ** Changed in: cloud-init (Ubuntu Precise) Status: Fix Committed = Fix Released -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to cloud-init. https://bugs.launchpad.net/bugs/1411582 Title: [SRU] Azure data source should auto-detect ephemeral disk location Status in cloud-init: In Progress Status in cloud-init package in Ubuntu: Fix Released Status in walinuxagent package in Ubuntu: Fix Released Status in cloud-init source package in Precise: Fix Released Status in walinuxagent source package in Precise: Fix Released Status in cloud-init source package in Trusty: Fix Released Status in walinuxagent source package in Trusty: Fix Released Status in cloud-init source package in Utopic: Invalid Status in walinuxagent source package in Utopic: Fix Released Status in cloud-init source package in Vivid: Fix Released Status in walinuxagent source package in Vivid: Fix Released Bug description: [Impact] The Azure ephemeral disk will not necessarily remain at the same /dev/sd* location between reboots. This means the drive may not be persistently mounted between reboots. [Test Case] 1) Boot an Azure instance with a cloud-init including this fix. 2) Ensure that the ephemeral disk is mounted at /mnt and formatted as ext4 3) Ensure that /etc/fstab refers to a /dev/disk/... symlink, rather than a /dev/sd* device. [Regression Potential] We now use a udev rule to discover the location of the disk; we have been assured by Microsoft that this rule will always work, so regression potential is minimal. [Original Report] Currently we assume it will be /dev/sdb, but this may change. There is an example of how to handle this in the Azure Linux agent. To quote stevez in a comment on bug 1410835: Device names are not persistent in Linux and could change, so it is not guaranteed that the ephemeral disk will be called /dev/sdb. Ideally this should be auto-detected in cloud-init at runtime (for example, see DeviceForIdePort() in the Azure Linux agent). To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1411582/+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
