| zdb.8 (263393) | zdb.8 (264334) |
|---|---|
| 1'\" te 2.\" Copyright (c) 2012, Martin Matuska <mm@FreeBSD.org>. 3.\" All Rights Reserved. 4.\" 5.\" This file and its contents are supplied under the terms of the 6.\" Common Development and Distribution License ("CDDL"), version 1.0. 7.\" You may only use this file in accordance with the terms of version 8.\" 1.0 of the CDDL. 9.\" 10.\" A full copy of the text of the CDDL should have accompanied this 11.\" source. A copy of the CDDL is also available via the Internet at 12.\" http://www.illumos.org/license/CDDL. 13.\" 14.\" 15.\" Copyright 2012, Richard Lowe. 16.\" Copyright (c) 2012, Marcelo Araujo <araujo@FreeBSD.org>. 17.\" Copyright (c) 2012 by Delphix. All rights reserved. 18.\" All Rights Reserved. 19.\" | 1'\" te 2.\" Copyright (c) 2012, Martin Matuska <mm@FreeBSD.org>. 3.\" All Rights Reserved. 4.\" 5.\" This file and its contents are supplied under the terms of the 6.\" Common Development and Distribution License ("CDDL"), version 1.0. 7.\" You may only use this file in accordance with the terms of version 8.\" 1.0 of the CDDL. 9.\" 10.\" A full copy of the text of the CDDL should have accompanied this 11.\" source. A copy of the CDDL is also available via the Internet at 12.\" http://www.illumos.org/license/CDDL. 13.\" 14.\" 15.\" Copyright 2012, Richard Lowe. 16.\" Copyright (c) 2012, Marcelo Araujo <araujo@FreeBSD.org>. 17.\" Copyright (c) 2012 by Delphix. All rights reserved. 18.\" All Rights Reserved. 19.\" |
| 20.\" $FreeBSD: stable/10/cddl/contrib/opensolaris/cmd/zdb/zdb.8 263393 2014-03-19 23:44:03Z delphij $ | 20.\" $FreeBSD: stable/10/cddl/contrib/opensolaris/cmd/zdb/zdb.8 264334 2014-04-11 01:23:46Z delphij $ |
| 21.\" | 21.\" |
| 22.Dd December 31, 2013 | 22.Dd March 20, 2014 |
| 23.Dt ZDB 8 24.Os 25.Sh NAME 26.Nm zdb 27.Nd Display zpool debugging and consistency information 28.Sh SYNOPSIS 29.Nm 30.Op Fl CumdibcsDvhLXFPA --- 91 unchanged lines hidden (view full) --- 122.It Fl D 123Display deduplication statistics, including the deduplication ratio (dedup), 124compression ratio (compress), inflation due to the zfs copies property 125(copies), and an overall effective ratio (dedup * compress / copies). 126.Pp 127If specified twice, display a histogram of deduplication statistics, showing 128the allocated (physically present on disk) and referenced (logically 129referenced in the pool) block counts and sizes by reference count. | 23.Dt ZDB 8 24.Os 25.Sh NAME 26.Nm zdb 27.Nd Display zpool debugging and consistency information 28.Sh SYNOPSIS 29.Nm 30.Op Fl CumdibcsDvhLXFPA --- 91 unchanged lines hidden (view full) --- 122.It Fl D 123Display deduplication statistics, including the deduplication ratio (dedup), 124compression ratio (compress), inflation due to the zfs copies property 125(copies), and an overall effective ratio (dedup * compress / copies). 126.Pp 127If specified twice, display a histogram of deduplication statistics, showing 128the allocated (physically present on disk) and referenced (logically 129referenced in the pool) block counts and sizes by reference count. |
| 130.Pp 131If specified a third time, display the statistics independently for each deduplication table. 132.Pp 133If specified a fourth time, dump the contents of the deduplication tables describing duplicate blocks. 134.Pp 135If specified a fifth time, also dump the contents of the deduplication tables describing unique blocks. |
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| 130.It Fl h 131Display pool history similar to 132.Cm zpool history , 133but include internal changes, transaction, and dataset information. 134.It Fl i 135Display information about intent log (ZIL) entries relating to each 136dataset. 137If specified multiple times, display counts of each intent log transaction --- 181 unchanged lines hidden --- | 136.It Fl h 137Display pool history similar to 138.Cm zpool history , 139but include internal changes, transaction, and dataset information. 140.It Fl i 141Display information about intent log (ZIL) entries relating to each 142dataset. 143If specified multiple times, display counts of each intent log transaction --- 181 unchanged lines hidden --- |