diff --git a/gfs2/man/fsck.gfs2.8 b/gfs2/man/fsck.gfs2.8 index b2b326f..9e9f925 100644 --- a/gfs2/man/fsck.gfs2.8 +++ b/gfs2/man/fsck.gfs2.8 @@ -1,11 +1,11 @@ .TH fsck.gfs2 8 .SH NAME -fsck.gfs2 - Offline GFS and GFS2 file system checker +fsck.gfs2 - offline GFS and GFS2 file system checker .SH SYNOPSIS .B fsck.gfs2 -[\fIOPTION\fR]... \fIDEVICE\fR +[\fIoptions\fR] \fIdevice\fR .SH WARNING All computers \fImust\fP have the filesystem unmounted before running @@ -13,30 +13,22 @@ fsck.gfs2. Failure to unmount from all nodes in a cluster will likely result in filesystem corruption. .SH DESCRIPTION -fsck.gfs2 will check that the GFS or GFS2 file system on a device is structurally valid. -It should not be run on a mounted file system. If file system corruption is -detected, it will attempt to repair the file system. There is a limit to what -fsck.gfs2 can do. If important file system structures are destroyed, such that -the checker cannot determine what the repairs should be, reparations could -fail. +fsck.gfs2 will check that the GFS or GFS2 file system on a device is +structurally valid. It should not be run on a mounted file system. If file +system corruption is detected, it will attempt to repair the file system. +There is a limit to what fsck.gfs2 can do. If important file system structures +are destroyed, such that the checker cannot determine what the repairs should +be, reparations could fail. -GFS2 is a journaled file system, and as such should be able to repair damage to -the file system on its own. However, faulty hardware has the ability to write -incomplete blocks to a file system thereby causing corruption that GFS2 cannot -fix. The first step to ensuring a healthy file system is the selection of -reliable hardware (i.e. storage systems that will write complete blocks - even -in the event of power failure). - -Note: Most file system checkers will not check the file system if it is -"clean" (i.e. unmounted since the last use). The fsck.gfs program behaves -differently because the storage may be shared among several nodes in a -cluster, and therefore problems may have been introduced on a different -computer. Therefore, fsck.gfs2 will always check the file system unless -the -p (preen) option is used, in which case it follows special rules +Other file system checkers will not check the file system if it is "clean" +(i.e. unmounted since the last use). With gfs2, storage may be shared among +several nodes in a cluster, and therefore problems may have been introduced on +a different computer. Therefore, fsck.gfs2 will always check the file system +unless the -p (preen) option is used, in which case it follows special rules (see below). -fsck.gfs2 will log to the system log on start and exit to aid debugging and -administration. +fsck.gfs2 will log a message to the system log on start and exit to aid +debugging and administration. .SH OPTIONS .TP \fB-a\fP @@ -86,3 +78,8 @@ Yes to all questions. By specifying this option, fsck.gfs2 will not prompt befor changes. This option may not be used with the \fB-n\fP or \fB-p\fP/\fB-a\fP options. + +.SH SEE ALSO +.BR gfs2 (5), +.BR gfs2_jadd (8), +.BR gfs2_grow (8)