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Few unecessary comments were written to on-disc metadata.
Use outfc() to have comments only in archived files.
(may also save couple bytes in ringbuffer).
TODO: needed validation against newline char...
Support --repair and --use-policies with mirrors.
(fixes another regression from lvconvert change for thin and cache).
TODO: the code path for mirror needs update.
Major update of lvconvert code to handle cache and thin.
related targets.
Code tries to unify handling of cache and thin pools.
Better supports lvm2 syntax:
lvconvert --type cache --cachepool vg/pool vg/cache
lvconvert --type thin --thinpool vg/pool vg/extorg
lvconvert --type cache-pool vg/pool
lvconvert --type thin-pool vg/pool
as well as:
lvconvert --cache --cachepool vg/pool vg/cache
lvconvert --thin --thinpool vg/pool vg/extorg
lvconvert --cachepool vg/pool
lvconvert --thinpool vg/pool
While catching much more command line errors.
(Yet couple paths still needs more tests)
Detects as much cmdline errors prior opening VG.
Uses single lvconvert_name_params to convert LV names.
Detects as much incompatibilies in VG prior prompting.
Uses single prompt to confirm whole conversion.
TODO: still the code needs fixes...
Cache pools are similar as with thin pools.
Add (needs %s) - since cache has currently
a bit strange need for extra few kb over
our default 4M extent size so make it more obvious.
Since the type passed LV is changed and content of data detroyed,
query user with prompt to confirm this operation.
Also add a proper wiping of header.
Using '--yes' will skip this prompt:
lvconvert -s --yes vg/lv vg/lvcow
When EOF is detect - it could be either 'Ctrl+C'
or empty stdin.
For Ctrl+C there is visual ^C sign.
For EOF print 'n' so decision is clear in debug print.
This is addendum for commit 6dc7b783c8.
LVM1 format stores the ALLOCATABLE flag directly in PV header, not
in VG metadata. So the code needs to be fixed further to work
properly for lvm1 format so that the correct PV header is written
(the flag is set only if the PV is in some VG, unset otherwise).
Before the patch:
$ lvs -o name,active vg/lvol1 --driverloaded n
WARNING: Activation disabled. No device-mapper interaction will beattempted.
LV Active
lvol1 active
With this patch applied:
$ lvs -o name,active vg/lvol1 --driverloaded n
WARNING: Activation disabled. No device-mapper interaction will be attempted.
LV Active
lvol1 unknown
The same for active_{locally,remotely,exclusively} fields.
Also, rename headings for these fields (ActLocal/ActRemote/ActExcl).
If the lv_info call fails for whatever reason/INFO dm ioctl fails or
the dm driver communication is disabled (--driverloaded n), make
sure we always display "unknown" for LVSINFO fields as that's exactly
what happens - we don't know the state.
Before the patch:
$ lvs -o name,device_open --driverloaded n
WARNING: Activation disabled. No device-mapper interaction will be attempted.
Command failed with status code 5.
With this patch applied:
$ lvs -o name,device_open --driverloaded n
WARNING: Activation disabled. No device-mapper interaction will be attempted.
LV DevOpen
lvol1 unknown
Commit 33d69162e4 reduced the number of
PVs to a level where the test could not function. (It is impossible
to replace 3 PVs of a 4-way RAID1 LV if there are only 5 PVs.)
Like other binary fields we already have:
$ lvs -o name,zero vg/lvx vg/pool vg/pool1
LV Zero
lvx unknown
pool
pool1 zero
$ lvs -o name,zero vg/lvx vg/pool vg/pool1 --binary
LV Zero
lvx -1
pool 0
pool1 1
