adding jfs after the fact

[Rick Stevens]

On Thu, 2006-01-05 at 09:44 -0500, Jay Lofstead wrote:
> I do have the jfs.ko file, but I do not have mkfs.jfs.  I had tried mkfs -t
> jfs /dev/sda1, but that kept telling me that mkfs.jfs was not found.  I
> could not find it either.  Any suggestions?

Remember, you have to be the root user to use mkfs.  The actual program
that does it is /sbin/mkfs.jfs and /sbin is not part of a non-root
user's path.

By the way, Jay, we prefer bottom posting here on the list.  Just put
your comments AFTER what you're commenting on.  It makes following the
flow of information easier.

> -----Original Message-----
> From: redhat-install-list-bounces at redhat.com
> [mailto:redhat-install-list-bounces at redhat.com]On Behalf Of Rick Stevens
> Sent: Wednesday, January 04, 2006 9:50 PM
> To: Getting started with Red Hat Linux
> Subject: Re: adding jfs after the fact
> 
> 
> On Wed, 2006-01-04 at 21:03 -0500, lofstead at cc.gatech.edu wrote:
> > I neglected to add jfs support when installing FC4.  I can't seem to
> > figure out how to add support for it on a running system.  Can anyone
> > suggest a proper way to do this?
> 
> Check to see if you have the file
> 
> 	/lib/modules/`uname -r`/kernel/fs/jfs/jfs.ko
> 
> on your system.  If so, you have jfs installed.  The system should load
> it automatically when you try to mount a jfs filesystem:
> 
> 	mount -t jfs /dev/(partition-name) /mountpoint
> 
> If you're creating a jfs filesystem, you need to do JUST ONE of the
> following:
> 
> 	# mkfs -t jfs /dev/(partition-name)
> 	# jfs_mkfs /dev/(partition-name)
> 
> See "man mkfs.jfs" for details on the various options.  Example:  To
> build a jfs filesystem on /dev/sdb4, label it as "jfs_test" and mount
> it at /jfs_test:
> 
> 	# mkfs -t jfs -L jfs_test /dev/sdb4
> 	# mkdir /jfs_test
> 	# mount -t jfs /dev/sdb4 /jfs_test
> 
> ----------------------------------------------------------------------
> - Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
> - VitalStream, Inc.                       http://www.vitalstream.com -
> -                                                                    -
> -     I.R.S.: We've got what it takes to take what you've got!       -
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- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-    First Law of Work:                                              -
-    If you can't get it done in the first 24 hours, work nights.    -
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