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Calling pvscan --cache with -aay on a PV without an MDA would spuriously fail
with an internal error, because of an incorrect assumption that a parsed VG
structure was always available. This is not true and the autoactivation handler
needs to call vg_read to obtain metadata in cases where the PV had no MDAs to
parse. Therefore, we pass vgid into the handler instead of the (possibly NULL)
VG coming from the PV's MDA.
Commit bf2741376d started to use
lv_is_active() instead of call for lv_info & info.exists so
we cover also cluster activated devices.
For snapshost the conversion was not correct and introduced
regression by blocking creation of snapshot of inactive LV.
Fix it by assigning lv_is_active() directly.
Note: we still have minor issue to fix - to make
lv_is_???? function able to return error states since
lv_info() may fail.
I'm not sure what 'BUG's were being encountered when the restriction
to limit lvconvert-raid.sh tests to kernels > 3.2 was added. I do know
that there were BUG's that could be triggered when testing snapshots and
some of the earliest DM RAID available in the kernel. I've taken out
the 3.2 kernel restriction and added a dm-raid >= 1.2 restriction instead.
This will allow the test to run on patched production kernels.
Reset counter after thin pool resize failure.
If the pool goes above threshold, support unmounting
of all thin volumes if the lvextend fails to avoid
overfilling of the pool.
Commit 3501f17fd0 enables a limited set
of metadata updates for partial LV/VGs when issuing lvchange or vgchange.
These tests verify those changes operate as intended.
Separate original raid test and new raid10 test,
so the old could be tested on platforms without raid10 support.
Replace test-unfriendly `ls /dev/mapper` with dmsetup ls
Revert changes to origin lvcreate-large test and use separate
test scripts for raid - so they can be properly skipped when
kernel doesn't support raid targets.
MD's bitmaps can handle 2^21 regions at most. The RAID code has always
used a region_size of 1024 sectors. That means the size of a RAID LV was
limited to 1TiB. (The user can adjust the region_size when creating a
RAID LV, which can affect the maximum size.) Thus, creating, extending or
converting to a RAID LV greater than 1TiB would result in a failure to
load the new device-mapper table.
Again, the size of the RAID LV is not limited by how much space is allocated
for the metadata area, but by the limitations of the MD bitmap. Therefore,
we must adjust the 'region_size' to ensure that the number of regions does
not exceed the limit. I've added code to do this when extending a RAID LV
(which covers 'create' and 'extend' operations) and when up-converting -
specifically from linear to RAID1.
When reformatting the 'lvchange_resync' code in commit
05131f5853, a '!' should have been removed
from the condition that checks for the LV_NOTSYNCED flag on a corelog
mirror LV. The presence of this '!' caused the LV_NOTSYNCED flag to be
cleared when it wasn't present and left when it was present.
It is not allowed to add images to a 'mirror' or 'raid1' LV if the
LV_NOTSYNCED flag is set. We add some up-convert tests to ensure this
behavior is being enforced and that the LV_NOTSYNCED flag is being
properly cleared by 'lvchange --resync'.
(Not updating WHATS_NEW because this is intrarelease.)
This patch adds support for RAID10. It is not the default at this
stage. The user needs to specify '--type raid10' if they would like
RAID10 instead of stacked mirror over stripe.
