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David Teigland 264827cb98 lvresize: add new options and defaults for fs handling
The new option "--fs String" for lvresize/lvreduce/lvextend
controls the handling of file systems before/after resizing
the LV.  --resizefs is the same as --fs resize.

The new option "--fsmode String" can be used to control
mounting and unmounting of the fs during resizing.

Possible --fs values:

checksize
  Only applies to reducing size; does nothing for extend.
  Check the fs size and reduce the LV if the fs is not using
  the affected space, i.e. the fs does not need to be shrunk.
  Fail the command without reducing the fs or LV if the fs is
  using the affected space.

resize
  Resize the fs using the fs-specific resize command.
  This may include mounting, unmounting, or running fsck.
  See --fsmode to control mounting behavior, and --nofsck to
  disable fsck.

resize_fsadm
  Use the old method of calling fsadm to handle the fs
  (deprecated.) Warning: this option does not prevent lvreduce
  from destroying file systems that are unmounted (or mounted
  if prompts are skipped.)

ignore
  Resize the LV without checking for or handling a file system.
  Warning: using ignore when reducing the LV size may destroy the
  file system.

Possible --fsmode values:

manage
  Mount or unmount the fs as needed to resize the fs,
  and attempt to restore the original mount state at the end.

nochange
  Do not mount or unmount the fs. If mounting or unmounting
  is required to resize the fs, then do not resize the fs or
  the LV and fail the command.

offline
  Unmount the fs if it is mounted, and resize the fs while it
  is unmounted. If mounting is required to resize the fs,
  then do not resize the fs or the LV and fail the command.

Notes on lvreduce:

When no --fs or --resizefs option is specified:
. lvextend default behavior is fs ignore.
. lvreduce default behavior is fs checksize
  (includes activating the LV.)

With the exception of --fs resize_fsadm|ignore, lvreduce requires
the recent libblkid fields FSLASTBLOCK and FSBLOCKSIZE.
FSLASTBLOCK*FSBLOCKSIZE is the last byte used by the fs on the LV,
which determines if reducing the fs is necessary.
2022-09-13 15:15:05 -05:00
autoconf autoreconf: support newer archs 2022-08-15 13:32:55 +02:00
base gcc: use more zero length arrays 2021-09-22 17:18:50 +02:00
conf make: generate 2022-08-11 11:10:11 +02:00
coverity cov: drop model for origin_from_cow 2020-09-12 13:23:49 +02:00
daemons lvmdbusd: Remove try/except for mkfifo 2022-06-30 10:55:16 -05:00
device_mapper libdm: report: fix escaping of JSON quote char in reported fields 2022-08-24 12:10:10 +02:00
doc all: fix typos 2021-03-30 13:08:14 +02:00
include lvresize: add new options and defaults for fs handling 2022-09-13 15:15:05 -05:00
lib lvresize: add new options and defaults for fs handling 2022-09-13 15:15:05 -05:00
libdaemon cov: remove unused headers 2022-07-11 01:18:24 +02:00
libdm make: update make.tmpl 2022-09-07 14:58:01 +02:00
man lvmconfig: add --valuesonly option 2022-08-17 10:47:24 +02:00
nix lockd: Clean up spec 2015-07-04 14:36:57 +02:00
po makefiles: fix pofile generation 2021-03-02 22:54:40 +01:00
scripts lvresize: add new options and defaults for fs handling 2022-09-13 15:15:05 -05:00
spec lvresize: add new options and defaults for fs handling 2022-09-13 15:15:05 -05:00
test lvresize: add new options and defaults for fs handling 2022-09-13 15:15:05 -05:00
tools lvresize: add new options and defaults for fs handling 2022-09-13 15:15:05 -05:00
udev gitignore: update 2022-09-07 15:00:15 +02:00
.gitignore gitignore: update 2022-09-07 15:00:15 +02:00
acinclude.m4 [build] uncomment 'serial 3' in an m4 file. 2018-04-30 09:44:27 +01:00
aclocal.m4 autoreconf: support newer archs 2022-08-15 13:32:55 +02:00
configure configure: remove some obsolete or duplicate checks 2022-08-30 13:54:19 +02:00
configure.ac lvresize: add new options and defaults for fs handling 2022-09-13 15:15:05 -05:00
COPYING doc: change fsf address 2016-01-21 12:11:37 +01:00
COPYING.BSD Add BSD 2-Clause License 2018-07-27 17:09:46 +02:00
COPYING.LIB Fix inconsistent licence notices: executables are GPLv2; libraries LGPLv2.1. 2007-08-20 20:55:30 +00:00
INSTALL quick review of docs 2008-11-04 17:49:22 +00:00
make.tmpl.in make: update make.tmpl 2022-09-07 14:58:01 +02:00
Makefile.in makefiles: reuse CSCOPE_DIRS for ctags 2021-04-12 09:54:16 +02:00
README Update README 2020-08-12 12:05:36 +02:00
TESTING docs: Add TESTING file 2017-12-14 16:45:47 +01:00
VERSION post-release 2022-05-18 18:18:14 +02:00
VERSION_DM post-release 2022-05-18 18:18:14 +02:00
WHATS_NEW report: fix lv_active column type from STR to BIN 2022-09-06 15:49:27 +02:00
WHATS_NEW_DM WHATS_NEW: update 2022-08-11 13:03:29 +02:00

This tree contains the LVM2 and device-mapper tools and libraries.

This is development branch, for stable 2.02 release see stable-2.02 branch.

For more information about LVM2 read the changelog in the WHATS_NEW file.
Installation instructions are in INSTALL.

There is no warranty - see COPYING and COPYING.LIB.

Tarballs are available from:
  ftp://sourceware.org/pub/lvm2/
  https://github.com/lvmteam/lvm2/releases

The source code is stored in git:
  https://sourceware.org/git/?p=lvm2.git
  git clone git://sourceware.org/git/lvm2.git
mirrored to:
  https://github.com/lvmteam/lvm2
  git clone https://github.com/lvmteam/lvm2.git
  git clone git@github.com:lvmteam/lvm2.git

Mailing list for general discussion related to LVM2:
  linux-lvm@redhat.com
  Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm

Mailing lists for LVM2 development, patches and commits:
  lvm-devel@redhat.com
  Subscribe from https://www.redhat.com/mailman/listinfo/lvm-devel

  lvm2-commits@lists.fedorahosted.org (Read-only archive of commits)
  Subscribe from https://fedorahosted.org/mailman/listinfo/lvm2-commits

Mailing list for device-mapper development, including kernel patches
and multipath-tools:
  dm-devel@redhat.com
  Subscribe from https://www.redhat.com/mailman/listinfo/dm-devel

Website:
  https://sourceware.org/lvm2/

Report upstream bugs at:
  https://bugzilla.redhat.com/enter_bug.cgi?product=LVM%20and%20device-mapper
or open issues at:
  https://github.com/lvmteam/lvm2/issues

The source code repository used until 7th June 2012 is accessible using CVS:

  cvs -d :pserver:cvs@sourceware.org:/cvs/lvm2 login cvs
  cvs -d :pserver:cvs@sourceware.org:/cvs/lvm2 checkout LVM2

The password is cvs.