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lvresize --usepolicy requires resized LVs to be active.
(So it's not only required for shared VG).
The test for active pool needs to use lv_info to query 'layer'
otherwise the pool is considered inactive if it was not activated
explicitely - thun 'implicit' activation with VDO or ThinLV was
not managed by --usepolicy option.
Some linkers do need libdevmapper-event-lvm2.so.2.03,
so add also this symlink to the tests /lib dir.
This fixes the need to use previous LD_LIBRARY_PATH complex
setting and now works with much shorter list.
Last commit c38b668fc3 was pushed
with type 'scanf' instead of 'sscanf' needed for buffer reading.
Interestingly this caused scanning from 'stdin' descriptor and
thus failures in lvm shell usage.
The code in init_log_file relies on the process name (COMM) to not
contain whitespaces. This change fixes it by looking up the right-most
parenthesis to safely jump past COMM.
For more context see:
https://www.openwall.com/lists/oss-security/2022/12/21/6
Code is only used with testing, so it should have no impact on regular
users.
Reported-by: Hugues Evrard <hevrard@google.com>
mm
With 3596558861 it's been introduced
a more fine grained description.
However 'disabled' might be actually more confusing then empty field,
so keep only the info about 'not enabled'aka dmevend is not allowed
to monitor LV which otherwise could be monitored.
Update pool conversion function to handle also conversion of
thick LV to thin LV by moving thick LV into thin pool data LV
and creating fully provissioned thin LV on top of this volume.
Reworking existing conversion to use insert_layer_for_lv co
the uuid is now kept with thin-pool - this should however not
really matter as we are doing full deactivation & activation cycle.
With conversion to thin LV user can use same set of arguments
to set chunk-size.
TODO: add some smart code to decide best values for chunks sizes.
For proper functionality of insert_layer_for_lv we need to
move more bits to layerd LV.
Add some missing new types and correct usage of caller,
so the new LV type is set after the movement.
Validate cache origin in front of the prompt.
Also add some rules to command description file.
TODO:
more validation needed also for lvcreate,
more complex rules with "OR" seems to be needed.
Enable support to cache thin/error/zero virtual targets.
Use can now select whether he want to cache whole thin-pool,
or an individual thin volume out of whole thin-pool.
Support using zero and error LVs as data volume for
cachepool is possibly useful for benchmarking, not much
can be expected from such setup.
Avoid activation when going to skip zeroing of 'error' segtype
(so it's not erroring out).
Also skip zeroing for 'zero' segtype LV (already being zero).
