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Full Discussion: Increasing the FileSystem Size
Operating Systems AIX Increasing the FileSystem Size Post 73847 by bakunin on Monday 6th of June 2005 04:47:05 AM
Old 06-06-2005
Since the threadstarter hasn't provided any data that could shed any light on his problem I'm jsut left to guesses.

Having said this: There are some limitations in jfs which may cause the problem: "Number of Bytes per Inode" and "Allocation Group Size" for instance. In this case the only thing you can do is to back up the FS, drop/recreate it with different values and restore the data.

bakunin
 

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LEARN ABOUT REDHAT

mkfs.jfs

mkfs.jfs(8)						     JFS file system creation						       mkfs.jfs(8)

NAME

       mkfs.jfs - create a JFS formatted partition

SYNOPSIS

       mkfs.jfs [options] device

DESCRIPTION

       mkfs.jfs is used to create (format) a JFS partition.  mkfs.jfs must be run as root.

       device is the special file name corresponding to the actual device (e.g. /dev/hdb1) on which a JFS file system will be created.

       The default block size is 4096.

WARNING

       mkfs.jfs will destroy all data on the specified device!

OPTIONS

       -c     Check the device for bad blocks before building the file system.

       -L volume_label
	      Set the volume label for the file system.

       -O     Provide case-insensitive support for compatibility with OS/2.

       -q     Quiet execution - do not ask for confirmation before creating the file system.

       -s log_size
	      Set the log size (in megabytes).	If the -s option is not used, the default log size is 0.4% of the aggregate size.

       -V     Print version information and exit (regardless of any other chosen options).

EXAMPLES

       Format 3rd partition on 2nd hard disk with the volume label "JFS_hdb3":

	      mkfs.jfs -L JFS_hdb3 /dev/hdb3

       Format 5th partition on 1st hard disk, verifying each block created:

	      mkfs.jfs -c /dev/hda5

REPORTING BUGS

       If you find a bug in JFS or mkfs.jfs, please report it via the bug tracking system ("Report Bugs" section) of the JFS project web site:
       http://oss.software.ibm.com/jfs

       Please  send as much pertinent information as possible including any error messages resulting from running mkfs.jfs and the complete output
       of running fsck.jfs with the -v option.

SEE ALSO

       mkfs(8), fsck.jfs(8), extendfs(8), logdump(8), logredo(8), xchkdmp(8), xpeek(8)

AUTHORS

       Barry Arndt  (barndt@us.ibm.com)
       William Braswell, Jr.

       mkfs.jfs is maintained by IBM.
       See the JFS project web site for more details:
       http://oss.software.ibm.com/jfs/

								 November 9, 2001						       mkfs.jfs(8)
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