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tunefs.reiserfs(8)	     progsreiserfs manual	    tunefs.reiserfs(8)

NAME
       tunefs.reiserfs - a reiserfs filesystem tuning program.

SYNOPSIS
       tunefs.reiserfs options device

DESCRIPTION
       resizefs.reiserfs  is  a reiserfs filesystem tuning program. It changes
       journal parameters, journal device, label and uuid.

OPTIONS
       -v, --version
	      displays current version

       -u, --usage
	      displays program usage

       -j FILE, --journal-device=FILE
	      device where journal is lies. Needed to perform journal  replay‐
	      ing  (when  journal params will be changed) to make sure that no
	      non-replayed transactions found.

       -d FILE, --journal-new-device=FILE
	      new journal device. If you are trying  to	 change	 journal  from
	      relocated device to the host device (new journal device the same
	      as host device), then program  will  be  looking	for  available
	      space  on	 host device. If free space on the host device enought
	      to put journal on them,  journal	will  be  switched  onto  host
	      device. If the area for journal on the host occupied by reiserfs
	      tree (this possible if filesystem was created  with  journal  on
	      separated device), relocation of data blocks from this area onto
	      free blocks will be performed.

       -s N, --journal-size=N
	      journal size. This is the journal	 size.	For  journal  on  host
	      device  it must be gretter than 512 blocks and lesser than count
	      of blocks described by first bitmap block. In other words, jour‐
	      nal  must be lesser or equals block_size * 8 journal offset - 1.
	      In the case given journal size not equals previous journal  size
	      tunefs.reiserfs  will  perform  journal  resizing. For relocated
	      journal it will be recreated with new params.  And for  standard
	      journal  data  blocks will be relocated first, then journal will
	      be recreated with new boundaries.

	      And for journal on separated device journal size may be  as  big
	      as device length - journal offset - 1.

       -o N, --journal-offset=N
	      journal  offset for relocated journal. You can't to change jour‐
	      nal offset for standard journal.

       -t N, --transaction-max-size=N
	      transaction max size

       -n, --no-journal-available
	      no journal available now. This options lets program  know,  that
	      no journal available by now. Therefore no journal replaying will
	      be performed.

       -l LABEL, --label=LABEL
	      sets volume label

       -i UUID, --uuid=UUID
	      sets given uuid to superblock

       -q, --quiet
	      non-interactive mode

REPORTING BUGS
       Report bugs to <torque@ukrpost.net>

SEE ALSO
       mkfs.reiserfs(8), resizefs.reiserfs(8), cpfs.reiserfs(8)

AUTHOR
       This manual page was written by Yury Umanets <torque@ukrpost.net>

progsreiserfs			 16 Apr, 2002		    tunefs.reiserfs(8)

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