HP-UX Reference (11i v2 07/12) - 5 Miscellaneous (vol 9)

quota(5) quota(5)

WARNINGS

The HP-UX default is to allow chown(2). This can interfere with the disk quota mechanism. Quotas can be

defeated if the

chown command (see chown(1)) or the

chown() system call (see chown(2)) is accessible to

a user. The

setprivgrp command (see setprivgrp(1M)) can be used to limit access to the

chown() sys-

tem call so that only a speciﬁed group of users are permitted to use the

chown command or the chown()

system call.

The sam command (see sam(1M)) does not yet support disk quotas. When adding new users or ﬁle sys-

tems, any desired quotas must be established outside of

sam.

HP has added features to the original implementation to ensure correctness of the content of the quotas ﬁle

when quotas are enabled by

mount and disabled by

umount (see mount(1M)), thus eliminating the need

to run

quotacheck (see quotacheck(1M)). These features are ineffective, however, if

quotaoff and

quotaon (see quotaon(1M)) are used to control quotas.

quotacheck should only be run on a dormant ﬁle system to ensure accurate usage information. The

-qv options of the fsclean command (see fsclean(1M)) report on the the current viability of the quota

information.

AUTHOR

Disk Quotas were developed by the University of California, Berkeley, Sun Microsystems, and HP.

FILES

/etc/fstab Static information about the ﬁle systems

/etc/mnttab Mounted ﬁle system table

directory/quotas Quota statistics static storage for a ﬁle system, where directory is the root of the ﬁle

system, as speciﬁed to the mount command (see mount(1M)).