1*ce4dcb97SMartin Matuska.\" 2*ce4dcb97SMartin Matuska.\" CDDL HEADER START 3*ce4dcb97SMartin Matuska.\" 4*ce4dcb97SMartin Matuska.\" The contents of this file are subject to the terms of the 5*ce4dcb97SMartin Matuska.\" Common Development and Distribution License (the "License"). 6*ce4dcb97SMartin Matuska.\" You may not use this file except in compliance with the License. 7*ce4dcb97SMartin Matuska.\" 8*ce4dcb97SMartin Matuska.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*ce4dcb97SMartin Matuska.\" or http://www.opensolaris.org/os/licensing. 10*ce4dcb97SMartin Matuska.\" See the License for the specific language governing permissions 11*ce4dcb97SMartin Matuska.\" and limitations under the License. 12*ce4dcb97SMartin Matuska.\" 13*ce4dcb97SMartin Matuska.\" When distributing Covered Code, include this CDDL HEADER in each 14*ce4dcb97SMartin Matuska.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*ce4dcb97SMartin Matuska.\" If applicable, add the following below this CDDL HEADER, with the 16*ce4dcb97SMartin Matuska.\" fields enclosed by brackets "[]" replaced with your own identifying 17*ce4dcb97SMartin Matuska.\" information: Portions Copyright [yyyy] [name of copyright owner] 18*ce4dcb97SMartin Matuska.\" 19*ce4dcb97SMartin Matuska.\" CDDL HEADER END 20*ce4dcb97SMartin Matuska.\" 21*ce4dcb97SMartin Matuska.\" 22*ce4dcb97SMartin Matuska.\" Copyright (c) 2023, Klara Inc. 23*ce4dcb97SMartin Matuska.\" 24*ce4dcb97SMartin Matuska.Dd February 14, 2024 25*ce4dcb97SMartin Matuska.Dt ZPOOL-PREFETCH 8 26*ce4dcb97SMartin Matuska.Os 27*ce4dcb97SMartin Matuska. 28*ce4dcb97SMartin Matuska.Sh NAME 29*ce4dcb97SMartin Matuska.Nm zpool-prefetch 30*ce4dcb97SMartin Matuska.Nd Loads specific types of data for the given pool 31*ce4dcb97SMartin Matuska.Sh SYNOPSIS 32*ce4dcb97SMartin Matuska.Nm zpool 33*ce4dcb97SMartin Matuska.Cm prefetch 34*ce4dcb97SMartin Matuska.Fl t Ar type 35*ce4dcb97SMartin Matuska.Ar pool 36*ce4dcb97SMartin Matuska.Sh DESCRIPTION 37*ce4dcb97SMartin Matuska.Bl -tag -width Ds 38*ce4dcb97SMartin Matuska.It Xo 39*ce4dcb97SMartin Matuska.Nm zpool 40*ce4dcb97SMartin Matuska.Cm prefetch 41*ce4dcb97SMartin Matuska.Fl t Li ddt 42*ce4dcb97SMartin Matuska.Ar pool 43*ce4dcb97SMartin Matuska.Xc 44*ce4dcb97SMartin MatuskaPrefetch data of a specific type for the given pool; specifically the DDT, 45*ce4dcb97SMartin Matuskawhich will improve write I/O performance when the DDT is resident in the ARC. 46*ce4dcb97SMartin Matuska.El 47