OL: Hot Add or Remove of Disk doesn't Reflect in the OVM VM Running with UEK6 Kernel "task xenwatch:113 blocked for more than 122 seconds."
(Doc ID 2817869.1)
Last updated on NOVEMBER 03, 2021
Applies to:Linux OS - Version Oracle Linux 7.9 with Unbreakable Enterprise Kernel [5.4.17] and later
Removing or adding a physical or virtual disk using Oracle Virtual Machine Manager results in failure.
If a disk is added, it makes it to the host vm server's vm.cfg file for the vm, but the device file (for example, /dev/xvdu) does not get created on the host. rescan-scsi-bus.sh on the vm doesn't help. If the vm is rebooted, the disk device file will show up.
If a disk is deleted, the job fails with below error in the OVM Manager.
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