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e2fsadm



SYNOPSIS

       e2fsadm [-d|--debug] [-h|--help] {[-l|--extents] [+|-]Log­
       icalExtentsNumber|"    [-L|--size]     [+|-]LogicalVolume­
       Size[kKmMgGtT]}  [-n|--nofsck]  [-v|--verbose] [--version]
       LogicalVolumePath


DESCRIPTION

       e2fsadm allows resizing of a logical volume  containing  a
       mounted  or  unmounted  ext2  filesystem.   For  unmounted
       filesystems it can extend the logical volume and grow  the
       filesystem  using resize2fs(8) or ext2resize(8), or shrink
       the filesystem and then reduce the logical  volume  after­
       wards.   For mounted filesystems it can extend the logical
       volume and grow the filesystem using ext2online(8).

   OPTIONS
       -d, --debug
              Enables additional debugging  output  (if  compiled
              with DEBUG).

       -h, --help
              Print  a  usage message on standard output and exit
              successfully.

       -l, --extents [+|-]LogicalExtentsNumber
              Resize the filesystem/logical volume to or  by  the
              number  of logical extents.  If you use + or - then
              the number will be relative the th current size  of
              the  logical  volume,  otherwise the volume will be
              resized to LogicalExtentsNumber extents.

       -L, --size [+|-]LogicalVolumeSize[kKmMgGtT]
              Resize the filesystem/logical volume to or  by  the
              given size.  If you use + or - then the number will
              be relative the the current  size  of  the  logical
              volume,  otherwise  the  volume  will be resized to
              LogicalVolumeSize.  A size suffix of  K  for  kilo­
              bytes,  M  for  megabytes, G for gigabytes or T for
              terabytes can be used.

       -n, --nofsck
              Avoid the filesystem check before the resize opera­
              tion.   A  filesystem  check  is  mandatory  before
              resize2fs(8), but is  optional  for  ext2resize(8),
              and  is  not  allowed for ext2online(8) because the
              filesystem is mounted.  Useful if a check has  been
              done before starting e2fsadm.

       -t, --test
              Test run without real resizing.

       -v ,  --verbose

       1  the filesystem size is invalid
       2  the logical volume name is missing
       3  the logical volume name is invalid
       4  the logical volume doesn't exist
       5  an error occured while reading the VGDA
       6  an error occured while resizing the filesystem
       7  /proc/mounts is not available
       8  the filesystem is mounted
       9  the filesystem type is not ext2
       10 the e2fsck(8) command is missing or was not found
       11 resize2fs(8) is missing or was not found
       12 unable to run e2fsck(8)
       13 unable to run resize2fs(8)
       14 an error occured while reading the logical volume
       15 logical volume size error
       16 lvextend(8) is missing or was not found
       17 unable to run lvextend(8)
       18 lvreduce(8) is missing or was not found
       19 unable to run lvreduce(8)

       95 driver/module not in kernel
       96 invalid I/O protocol version
       97 error locking logical volume manager
       98 invalid lvmtab (run vgscan(8))
       99 invalid command line


ENVIRONMENT VARIABLES

       E2FSADM_RESIZE_CMD
              Command to call instead of resize2fs(8).

       E2FSADM_RESIZE_OPTS
              Options for the EXT2_RESIZE_CMD.

       E2FSADM_ONLINE_CMD
              Command to call instead of ext2online(8).

       E2FSADM_ONLINE_OPTS
              Options for the EXT2_ONLINE_CMD.


SEE ALSO

       lvm(8),     lvcreate(8),     lvextend(8),     lvreduce(8),
       resize2fs(8), ext2resize(8), ext2online(8)


AUTHOR

       Heinz Mauelshagen <Linux-LVM@Sistina.com>

Heinz Mauelshagen           LVM TOOLS                  E2FSADM(8)
  




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