.\" Copyright (c) 2019 Tomohiro Kusumi <tkusumi@netbsd.org>
.\" Copyright (c) 2019 The DragonFly Project
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The DragonFly Project
.\" by Matthew Dillon <dillon@backplane.com>
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.Dd September 30, 2020
.Dt FSCK_HAMMER2 8
.Os
.Sh NAME
.Nm fsck_hammer2
.Nd HAMMER2 file system consistency checker
.Sh SYNOPSIS
.Nm
.Op Fl f
.Op Fl v
.Op Fl q
.Op Fl e
.Op Fl b
.Op Fl p
.Op Fl P
.Op Fl l Ar pfs_names
.Op Fl c Ar cache_count
.Ar special
.Sh DESCRIPTION
The
.Nm
utility verifies
.Tn HAMMER2
file system.
.Bl -tag -width indent
.It Fl f
Force option.
.It Fl v
Verbose option.
Print blockref data on failure if possible.
.It Fl q
Quiet option.
.It Fl e
Count empty blockrefs.
.It Fl b
Scan only best zone.
.It Fl p
Scan each PFS separately.
.It Fl P
Print PFS information.
.It Fl l
Specify PFS names when
.Fl p
is used.
.It Fl c
Specify blockref cache count.
.El
.Sh SEE ALSO
.Xr fsck 8 ,
.Xr hammer2 8 ,
.Xr mount_hammer2 8 ,
.Xr newfs_hammer2 8
.Sh HISTORY
The
.Nm
utility appeared in
.Dx 5.7 .
.Sh AUTHORS
.An Tomohiro Kusumi Aq Mt tkusumi@netbsd.org