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<H1>E2SCRUB</H1>
Section: Maintenance Commands (8)<BR>Updated: January 2020<BR><A HREF="#index">Index</A>
<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>
e2scrub_all - check all mounted ext[234] filesystems for errors.
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSYS</H2>
<B>e2scrub_all [OPTION]</B>
<A NAME="lbAD">&nbsp;</A>
<H2>DESCRIPTION</H2>
Searches the system for all LVM logical volumes containing an ext2, ext3, or
ext4 file system, and checks them for problems.
The checking is performed by invoking the
<B>e2scrub</B>
tool, which will look for corruptions.
Corrupt filesystems will be tagged as having errors so that fsck will be
invoked before the next mount.
If no errors are encountered,
<B>fstrim</B>
will be called on the filesystem if it is mounted.
See the
<B>e2scrub</B>
manual page for more information about how the checking is performed.
<A NAME="lbAE">&nbsp;</A>
<H2>OPTIONS</H2>
<DL COMPACT>
<DT id="1"><B>-n</B><DD>
Print what commands
<B>e2scrub_all</B>
would execute to initiate the e2scrub operations.
(Note: these commands will not actually be executed; however, since
<B>e2scrub_all</B>
needs to run some additional, privileged commands to query the
system to determine which
<B>e2scrub</B>
commands would be executed, it still needs to be run as root.)
<DT id="2"><B>-r</B><DD>
Remove e2scrub snapshots but do not check anything.
<DT id="3"><B>-A</B><DD>
Scrub all ext[234] filesystems even if they are not mounted.
<DT id="4"><B>-V</B><DD>
Print version information and exit.
</DL>
<A NAME="lbAF">&nbsp;</A>
<H2>SEE ALSO</H2>
<B><A HREF="/cgi-bin/man/man2html?8+e2scrub">e2scrub</A></B>(8)
<A NAME="lbAG">&nbsp;</A>
<H2>AUTHOR</H2>
Darrick J. Wong &lt;<A HREF="mailto:darrick.wong@oracle.com">darrick.wong@oracle.com</A>&gt;
<A NAME="lbAH">&nbsp;</A>
<H2>COPYRIGHT</H2>
Copyright &#169;2018 Oracle. License is GPLv2+. &lt;<A HREF="http://www.gnu.org/licenses/gpl-2.0.html">http://www.gnu.org/licenses/gpl-2.0.html</A>&gt;
<P>
<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT id="5"><A HREF="#lbAB">NAME</A><DD>
<DT id="6"><A HREF="#lbAC">SYNOPSYS</A><DD>
<DT id="7"><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT id="8"><A HREF="#lbAE">OPTIONS</A><DD>
<DT id="9"><A HREF="#lbAF">SEE ALSO</A><DD>
<DT id="10"><A HREF="#lbAG">AUTHOR</A><DD>
<DT id="11"><A HREF="#lbAH">COPYRIGHT</A><DD>
</DL>
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