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diff --git a/quotacheck.8 b/quotacheck.8 new file mode 100644 index 0000000..7270040 --- /dev/null +++ b/quotacheck.8 @@ -0,0 +1,94 @@ +.TH QUOTACHECK 8 +.SH NAME +quotacheck \- scan a filesystem for disk usages +.SH SYNOPSIS +.B quotacheck +[-g] [-u] [-v] -a +.br +.B quotacheck +[-g] [-u] [-v] filesys ... +.SH DESCRIPTION +.I Quotacheck +performs a filesystems scan for usage of files and directories, used +by either user or group. +XFS filesystems are ignored by +.IR quotacheck , +since the XFS quota system is journaled and therefore inherently consistent. +.PP +The output is the quota file for the corresponding filesystem. +By default the names for these files are: +.br +\- A user scan: +.I quota.user +.br +\- A group scan: +.I quota.group +.PP +The resulting file consists of a +.I struct dqblk +for each possible id up to the highest existing uid or gid and contains the +values for the disk file and block usage and possibly excess time for these +values. ( for definitions of +.I struct dqblk +see +.I \<linux/quota.h\> +) +.PP +.I Quotacheck +should be run each time the system boots and mounts non-valid filesystems. +This is most likely to happen after a system crash. +.PP +The speed of the scan decreases with the number of directories increasing. +The time needed doubles when disk usage is doubled as well. A 100 MB partition +used for 94% is scanned in 1 minute, the same partition used for 50% is +done in 25 seconds. +.SH OPTIONS +.TP +.B \-v +This way the program will give some useful information about what it is +doing, plus some fancy stuff. +.TP +.B \-d +This means debug. It will result in a lot of information which can be used +in debugging the program. The output is very verbose and the scan +will not be fast. +.TP +.B \-u +This flag tells the program to scan the disk and to count the files and +directories used by a certain uid. This is the default action. +.TP +.B \-g +This flag forces the program to count the files and directories +used by a certain gid. +.TP +.B \-a +Check all of the quotas for the filesystems mentioned in /etc/mtab. Both +user and group quotas are checked as indicated by the /etc/mtab options. +.TP +.B \-R +When used in conjunction with \fP\-a\fR, all filesystems except the root +filesystem are checked for quotas. +.SH NOTE +.I Quotacheck +should only be run as Super User. Non-privilidged users are presumably not allowed +to read all the directories on the given filesystem. +.SH "SEE ALSO" +quota(1), quotactl(2), fstab(5), quotaon(8), quotaoff(8), edquota(8), +repquota(8), fsck(8) +.SH FILES +.PD 0 +.TP 20 +.B aquota.user or aquota.group +quota file at the filesystem root (version 2 quota, non-XFS filesystems) +.TP 20 +.B quota.user or quota.group +quota file at the filesystem root (version 1 quota, non-XFS filesystems) +.TP +.B /etc/mtab +default filesystems +.PD +.SH "AUTHOR" +Edvard Tuinder \<ed@elm.net\> +.br +Marco van Wieringen \<mvw@planets.elm.net\> + |