[Yahoo-eng-team] [Bug 1459073] [NEW] Multipath device descriptor is not deleted after volume detached when FC and multipath are used

2015-05-26 Thread Tina Tang
Public bug reported: When Fibre Channel and multipath are used, the multipath device descriptor is not deleted after a volume is detached from a VM. This is always reproducible. This was seen with git stable/kilo. Reproduce steps: 1. Check the multipath device on the system

[Yahoo-eng-team] [Bug 1457291] [NEW] Volume connection to destination host is not terminated after failed to block live migrate a VM with attached volume

2015-05-20 Thread Tina Tang
Public bug reported: I was tried to block live migrate a VM with a attached volume. It was failed as expected due to change in bug https://bugs.launchpad.net/nova/+bug/1398999 However, after the migration failed, the volume connection to the destination host is not terminated. This result in

[Yahoo-eng-team] [Bug 1454978] [NEW] [iSCSI Multipath]Thousands of multipath -ll mp-id are executed during volume detachment when multiple LUNs are exposed on a same target

2015-05-14 Thread Tina Tang
Public bug reported: iSCSI multipath has performance issue on volume detachment when multiple LUNs are exposed via single target(iqn). 1. We are using VNX as cinder backends. VNX is exposing multiple LUNs via a iqn. And a LUN is exposed via different iqns for multipathing. Libvirt driver is used

[Yahoo-eng-team] [Bug 1454621] [NEW] Multipath device descripter is not deleted while the device pathes are removed after detach last volume form VM on a host

2015-05-13 Thread Tina Tang
Public bug reported: Multipath descripter is not removed in volume detachment In the iSCSI multipath environment, after I detach a last volume from a instance on the host. Althougth the devices under /dev/disk/by-path are removed by the multipath descriptor is not removed. I am using VNX as

[Yahoo-eng-team] [Bug 1454519] [NEW] iSCSI Multipath, multipath id is incorrect parsed when io_setup failed error appears in multipath -ll output

2015-05-13 Thread Tina Tang
Public bug reported: We detacted this during our test. Sometimes, there maybe error string comes out in the begining of the output of multipath -ll device. See below log: 2015-05-11 05:59:53.005 DEBUG oslo_concurrency.processutils [req-30af6607-6e51-487e-beb2-3dbea8ee9fac admin admin] CMD sudo

[Yahoo-eng-team] [Bug 1454512] [NEW] Device for other volume is deleted unexpected during volume detach when iscsi multipath is used

2015-05-13 Thread Tina Tang
Author: Jenkins jenk...@review.openstack.org Date: Tue May 12 22:46:43 2015 + Merge Remove db layer hard-code permission checks for network_get_all_by_host ** Affects: nova Importance: Undecided Assignee: Tina Tang (tina-tang) Status: New ** Description changed: We