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Split pvcreate_validate_params into recovery and non-recovery parameters.
This is necessary so we can call the non-recovery validate function from
vgextend / vgcreate. Note in the pvcreate tool case, we must call the
recovery validation function first (see treatment of pe_start and --zero),
and that we add a call to fill_default_pvcreate_params before the validation
functions.
We need defaults for pvcreate_params at a higher level - this will
allow us to use a common function from the tools to take defaults,
then fill in any non-defaults from the commandline.
Future patches will refactor vgcreate/vgextend to call this function
if one or more pvcreate parameters are given on the commandline.
Another refactoring for implicit pvcreate support. We need to get
the pvcreate parameters somehow to the vg_extend routine. Options
seemed to be:
1. Attach the parameters to struct volume_group. I personally
did not like this idea in most cases, though one could make an
agrument why it might be ok at least for some of the parameters
(e.g. metadatacopies).
2. Pass them in to the extend routine. This second route seemed
to be the best approach given the constraints.
Future patches will parse the command line and fill in the actual
values for the pvcreate_single call.
Should be no functional change.
Should be no functional change. If this parameter is set to NULL, just fail
the extend if the device is not already a PV. If non-NULL, try pvcreate_single
before failing. Note that pvcreate_single() handles the log_error in case
of failure so we just return 0 if pvcreate_single() fails.
lv_deactivate now returns always success, because tree deactivation
functions (see dm_tree_deactivate_children) always returns success.
Because code should return failure in lv_deactivate at least,
fix it by checking for device existence after real deactivation call.
(After discussion this was prefered solution to dm tree function rewrite
which affects snapshots and mirrors.)
Add configure --enable-units-compat to set si_unit_consistency off by default.
Use standard output units for 'PE Size' and 'Stripe size' in pv/lvdisplay.
Clean up VG_RESIZEABLE flag by creating vg_is_resizeable().
Update comment - we no longer have ALLOW_RESIZEABLE.
Also use vg_is_exported() in one place missed by earlier patch.
Should be no functional change.
This patch is all just cleanup and no other patch depends on it.
Replace explicit dereference and check with vg_is_exported().
Update a few copyrights and remove unnecessary whitespace.
Should be no functional change.
Of the vgs field vg_attr, a few of the most likely to be used attributes
are clustered, exported, and partial. This patch adds the following 3
functions:
uint64_t lvm_vg_is_clustered(const vg_t vg)
uint64_t lvm_vg_is_exported(const vg_t vg)
uint64_t lvm_vg_is_partial(const vg_t vg)
Now that we've split vg_remove_single into two routines, in the first routine
that only manipulates memory, we move the PVs from the vg->pvs list to the
vg->removed_pvs list. Then later, we iterate through this list to write the
removed PVs to disk, which removes them from the volume group and places them
into the internal ORPHAN VG.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Author: Dave Wysochanski <dwysocha@redhat.com>
Split vg_remove_single into vg_remove_check (mandatory checks before
vgremove) and vg_remove (do actual remove by committing to disk).
In liblvm, we'd like to provide an consistent API that allows multiple
changes in memory, then let lvm_vg_write() control the commit to disk. In
some cases (for example, lvresize calls fsadm) this may not be possible.
However, since we are using an object model and dividing things into small
operations, the most logical model seems to be the lvm_vg_write model, and
handling the special cases as they arrive. So as best as possible
we move towards this end.
A possible optimization would be to consolidate vg_remove (committing)
code with vgreduce code. A second possible optimization is making vgreduce
of the last device equivalent to vgremove. Today, lvm_vg_reduce fails if
vgreduce is called with the last device, but from an object model perspective
we could view this as equivalent to vgremove and allow it. My gut feel is
we do not want to do this though.
Author: Dave Wysochanski <dwysocha@redhat.com>
Later patches should consolidate the vgremove / vgreduce functions but for
now let's clarify what vg_remove actually does by changing the name.
Author: Dave Wysochanski <dwysocha@redhat.com>
Add a new constraint that vgname locks must be obtained in
alphabetical order. At this point, we have test coverage for
the 3 commands affected - vgsplit, vgmerge, and vgrename.
Tests have been updated to cover these commands.
Going forward any command or library call that must obtain
more than one vgname lock must do so in alphabetical order.
Future patches will update lvm2app to enforce this ordering.
Author: Dave Wysochanski <dwysocha@redhat.com>
# pvcreate -u udwxr7-BoKY-EeKM-r033-xK6o-4og7-F13sGi /dev/sdc
uuid udwxr7BoKYEeKMr033xK6o4og7F13sGi|��� already in use on "/dev/sdb1"
is now
# pvcreate -u udwxr7-BoKY-EeKM-r033-xK6o-4og7-F13sGi /dev/sdc
uuid udwxr7-BoKY-EeKM-r033-xK6o-4og7-F13sGi already in use on "/dev/sdb1"
Eliminate busy loop during pvcreate of a "normal" partition.
_md_sysfs_attribute_snprintf() would busy loop if the device it was
given was not a blkext-based MD partition.
Rather than being cute with a busy-loop prone 'goto check_md_major' in
_md_sysfs_attribute_snprintf(): explicitly check if the provided device
is a blkext-based partition (blkext_major()); and then check that the
get_primary_dev() determined parent is an MD device (md_major()).
The device-mapper mirror CTR table has been changing over time. This has
now been corrected to handle the old and new methods for invoking the
'block_on_errors' and 'cluster' features. (The code that does this was
accidentally committed in the previous check-in. This check-in finishes
the job.)
Rename private _primary_dev() to a public get_primary_dev() and reuse it
to allow retrieval of the MD sysfs attributes (raid level, etc) for MD
partitions.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Improve lib/device/device.c:_primary_dev()'s ability to look up the
primary device associated with all partitions; including blkext
(e.g. partitions directly on MD). The same will also work for obscure
sysfs paths; e.g.: paths with mangled names like the HP cciss driver
uses: /sys/block/cciss!c0d0/cciss!c0d0p1/
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
