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	.Nm			.Nm
	.Cm unload			.Cm unload
	.Op Fl v			.Op Fl v
	.Sh DESCRIPTION			.Sh DESCRIPTION
	The			The
	.Nm			.Nm
	utility is used to control GEOM cache, which can			utility is used to control GEOM cache, which can
	speed up read performance by sending fixed size			speed up read performance by sending fixed size
	read requests to its consumer. It has been developed to address			read requests to its consumer.
	the problem of a horrible read performance of a 64k blocksize FS			It has been developed to address the problem of a horrible read performance of a
	residing on a RAID3 array with 8 data components, where a single			64k blocksize FS residing on a RAID3 array with 8 data components, where a
	disk component would only get 8k read requests, thus effectively			single disk component would only get 8k read requests, thus effectively
	killing disk performance under high load.			killing disk performance under high load.
	.Pp			.Pp
	Caching can be configured using two different methods:			Caching can be configured using two different methods:
	.Dq manual			.Dq manual
	or			or
	.Dq automatic .			.Dq automatic .
	When using the			When using the
	.Dq manual			.Dq manual
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