*** This bug is a duplicate of bug 1456480 *** https://bugs.launchpad.net/bugs/1456480
** Tags added: multipath ** This bug has been marked a duplicate of bug 1456480 Performance issue during volume detachment in ISCSIConnector when iSCSI multipath is used -- 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/1277316 Title: Disconnecting a volume with multipath generates excessive multipath calls Status in OpenStack Compute (nova): In Progress Bug description: I have a compute node with 20 volumes attached using iscsi and multipath. Each multipath device has 4 iscsi devices. When I disconnect a volume it generates 779 multipath -ll calls. iscsiadm -m node --rescan iscsiadm -m session --rescan multipath - r multipath -ll /dev/sdch multipath -ll /dev/sdcg multipath -ll /dev/sdcf multipath -ll /dev/sdce multipath -ll /dev/sdcd multipath -ll /dev/sdcc multipath -ll /dev/sdcb multipath -ll /dev/sdca multipath -ll /dev/sdbz multipath -ll /dev/sdby multipath -ll /dev/sdbx multipath -ll /dev/sdbw multipath -ll /dev/sdbv multipath -ll /dev/sdbu multipath -ll /dev/sdbt multipath -ll /dev/sdbs multipath -ll /dev/sdbr multipath -ll /dev/sdbq multipath -ll /dev/sdbp multipath -ll /dev/sdbo multipath -ll /dev/sdbn multipath -ll /dev/sdbm multipath -ll /dev/sdbl multipath -ll /dev/sdbk multipath -ll /dev/sdbj multipath -ll /dev/sdbi multipath -ll /dev/sdbh multipath -ll /dev/sdbg multipath -ll /dev/sdbf multipath -ll /dev/sdbe multipath -ll /dev/sdbd multipath -ll /dev/sdbc multipath -ll /dev/sdbb multipath -ll /dev/sdba ---- ...... And so on for 779 times cp /dev/stdin /sys/block/sdcd/device/delete cp /dev/stdin /sys/block/sdcc/device/delete cp /dev/stdin /sys/block/sdcb/device/delete cp /dev/stdin /sys/block/sdca/device/delete multipath - r ---- To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1277316/+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