-`iops_max_length`=`<seconds>` ;;
-
-Maximum length of I/O bursts in seconds.
-
-`iops_rd`=`<iops>` ;;
-
-Maximum read I/O in operations per second.
-
-`iops_rd_length`=`<seconds>` ;;
-
-Maximum length of read I/O bursts in seconds.
-
-`iops_rd_max`=`<iops>` ;;
-
-Maximum unthrottled read I/O pool in operations per second.
-
-`iops_wr`=`<iops>` ;;
-
-Maximum write I/O in operations per second.
-
-`iops_wr_length`=`<seconds>` ;;
-
-Maximum length of write I/O bursts in seconds.
-
-`iops_wr_max`=`<iops>` ;;
-
-Maximum unthrottled write I/O pool in operations per second.
-
-`mbps`=`<mbps>` ;;
-
-Maximum r/w speed in megabytes per second.
-
-`mbps_max`=`<mbps>` ;;
-
-Maximum unthrottled r/w pool in megabytes per second.
-
-`mbps_rd`=`<mbps>` ;;
-
-Maximum read speed in megabytes per second.
-
-`mbps_rd_max`=`<mbps>` ;;
-
-Maximum unthrottled read pool in megabytes per second.
-
-`mbps_wr`=`<mbps>` ;;
-
-Maximum write speed in megabytes per second.
-
-`mbps_wr_max`=`<mbps>` ;;
-
-Maximum unthrottled write pool in megabytes per second.
-
-`media`=`(cdrom | disk)` (default=`disk`);;
-
-The drive's media type.
-
-`model`=`<model>` ;;
-
-The drive's reported model name, url-encoded, up to 40 bytes long.
-
-`rerror`=`(ignore | report | stop)` ;;
-
-Read error action.
-
-`secs`=`integer` ;;
-
-Force the drive's physical geometry to have a specific sector count.
-
-`serial`=`<serial>` ;;
-
-The drive's reported serial number, url-encoded, up to 20 bytes long.
-
-`size`=`<DiskSize>` ;;
-
-Disk size. This is purely informational and has no effect.
-
-`snapshot`=`boolean` ;;
-
-Whether the drive should be included when making snapshots.
-
-`trans`=`(auto | lba | none)` ;;
-
-Force disk geometry bios translation mode.
-
-`werror`=`(enospc | ignore | report | stop)` ;;
-
-Write error action.
-
-`cores`: `integer (1 - N)` (default=`1`)::