meinaLi

**Is your feature request related to a problem? Please describe.** In avocado/utils/linux_modules.py, the loaded_module_info function will print out the result of commands `lsmod` and `modinfo`. When I call unload_module function...

Disk: add new dataStore element to disk.py

1

Now a new element dataStore has been implemented. So add it to disk.py.

Virtual disk: add 2 new datastore cases

1

Automate two cases: VIRT-303298 [virtual disks][dataStore] Hotplug/unplug disks with data files VIRT-303297 [virtual_disks][dataStore] Start guest with disks that have data files

SRIOV: add new case to test memory lock limit when hotplug memory with hostdev

3

Automate: VIRT-299986 - hotplug memory to vm with hostdev type interface and check the memlock limit

scsi_device: add new case of hostdev device for scsi commands testing

3

Automate case: VIRT-302167 - [Host device assignment][SCSI] SCSI command passthrough test for hostdev scsi device

Backingchain: add 1 new case about datastore element

2

Automate case: VIRT-303303 - Do blockcommit/blockpull with different attributes of source elements

Inc_backup: add datastore related test scenarios

1

A new feature data file has been introduced with datastore element. It's important for incremental backup feature. So add this scenario to the scripts.

Inc_backup: fix two random timeout failures

1

1. Reduce data count of dd command to fix timeout expired issue. 2. Add timeout to avoid "Device or resource busy" issue.