+.TP
+.BI md_stripe_cache_size
+Sets the stripe cache size for server side disk with a striped raid
+configuration.
+.TP
+.BI max_sectors_kb
+Automatically Sets the block device parameter of 'max_sectors_kb' for the
+MDT or OST target. When max_sectors_kb isn't specified, that parameter for
+block device will be set to same as it's own 'max_hw_sectors_kb' (up to a
+maximum of 16M), this is default behavior suited for most users. When
+max_sectors_kb is specified as zero, the old parameter value will be kept.
+When max_sectors_kb is specified as a positive number, the parameter will
+be set to this number arbitrarily.
+.TP
+.BI recovery_time_soft= timeout
+Allow 'timeout' seconds for clients to reconnect for recovery after a server
+crash. This timeout will be incrementally extended if it is about to expire
+and the server is still handling new connections from recoverable clients.
+The default soft recovery timeout is set to 300 seconds (5 minutes).
+.TP
+.BI recovery_time_hard= timeout
+The server will be allowed to incrementally extend its timeout up to a hard
+maximum of 'timeout' seconds. The default hard recovery timeout is set to
+900 seconds (15 minutes).