xfs_growfs

xfs_growfs(8) System Manager's Manual xfs_growfs(8)

NAME

   xfs_growfs - expand an XFS filesystem

SYNOPSIS

   xfs_growfs [ -dilnrx ] [ -D size ] [ -e rtextsize ] [ -L size ] [ -m maxpct ] [ -t mtab ] [ -R size ] [ mount-point | block-device ]

   xfs_growfs -V

DESCRIPTION

   xfs_growfs  expands  an  existing XFS filesystem (see xfs(5)).  The mount-point argument is the pathname of the directory where the filesystem is mounted. The block-device argument is
   the device name of a mounted XFS filesystem.  The filesystem must be mounted to be grown (see mount(8)).  The existing contents of the filesystem are undisturbed, and the added  space
   becomes available for additional file storage.

OPTIONS

   -d | -D size
          Specifies  that  the  data  section of the filesystem should be resized. If the -D size option is given, the data section is changed to that size, otherwise the data section is
          grown to the largest size possible with the -d option. The size is expressed in filesystem blocks. A filesystem with only 1 AG cannot be shrunk further, and a filesystem cannot
          be shrunk to the point where it would only have 1 AG.

   -e     Allows the real-time extent size to be specified. In mkfs.xfs(8) this is specified with -r extsize=nnnn.

   -i     The new log is an internal log (inside the data section).  [NOTE: This option is not implemented]

   -l | -L size
          Specifies that the log section of the filesystem should be grown, shrunk, or moved. If the -L size option is given, the log section is changed to be that size, if possible. The
          size is expressed in filesystem blocks.  The size of an internal log must be smaller than the size of an allocation group (this value is printed at mkfs(8) time). If neither -i
          nor -x is given with -l, the log continues to be internal or external as it was before.  [NOTE: These options are not implemented]

   -m     Specify a new value for the maximum percentage of space in the filesystem that can be allocated as inodes. In mkfs.xfs(8) this is specified with -i maxpct=nn.

   -n     Specifies that no change to the filesystem is to be made.  The filesystem geometry is printed, and argument checking is performed, but no growth occurs.   See  output  examples
          below.

   -r | -R size
          Specifies  that  the  real-time  section of the filesystem should be grown. If the -R size option is given, the real-time section is grown to that size, otherwise the real-time
          section is grown to the largest size possible with the -r option. The size is expressed in filesystem blocks.  The filesystem does not need to have contained a  real-time  sec
          tion before the xfs_growfs operation.

   -t     Specifies an alternate mount table file (default is /proc/mounts if it exists, else /etc/mtab).  This is used when working with filesystems mounted without writing to /etc/mtab
          file - refer to mount(8) for further details.

   -V     Prints the version number and exits. The mount-point argument is not required with -V.

   xfs_growfs  is  most often used in conjunction with logical volumes (see md(4) and lvm(8) on Linux).  However, it can also be used on a regular disk partition, for example if a parti
   tion has been enlarged while retaining the same starting block.

PRACTICAL USE

   Filesystems normally occupy all of the space on the device where they reside. In order to grow a filesystem, it is necessary to provide added space for it to occupy.  Therefore  there
   must be at least one spare new disk partition available. Adding the space is often done through the use of a logical volume manager.

SEE ALSO

   mkfs.xfs(8), xfs_info(8), md(4), lvm(8), mount(8).

                                                                                                                                                                             xfs_growfs(8)