`--bwlimit` `<integer> (0 - N)` ('default =' `0`)::
-Limit I/O bandwidth (KBytes per second).
+Limit I/O bandwidth (in KiB/s).
`--compress` `<0 | 1 | gzip | lzo | zstd>` ('default =' `0`)::
Exclude specified guest systems (assumes --all)
-`--exclude-path` `<string>` ::
+`--exclude-path` `<array>` ::
Exclude certain files/directories (shell globs). Paths starting with '/' are anchored to the container's root, other paths match relative to each subdirectory.
`--ionice` `<integer> (0 - 8)` ('default =' `7`)::
-Set CFQ ionice priority.
+Set IO priority when using the BFQ scheduler. For snapshot and suspend mode backups of VMs, this only affects the compressor. A value of 8 means the idle priority is used, otherwise the best-effort priority is used with the specified value.
`--lockwait` `<integer> (0 - N)` ('default =' `180`)::