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lvm_run needs to place NULL as the last element into argv[].
Otherwise we get:
Conditional jump or move depends on uninitialised value(s)
_command_required_pos_matches (lvmcmdline.c:1443)
_find_command (lvmcmdline.c:1610)
lvm_run_command (lvmcmdline.c:2770)
lvm2_run (lvmcmdlib.c:91)
New tests to add checking for '100%' in-sync at start of "recover"
process (it shouldn't happen, but I've seen it before). Also,
check status over the whole cycle of various sync processes ("resync"
and "recover").
First test in this file checks whether 'aa' is ever spotted during
a "recover" operation (it should not be). More tests should follow
in this file to look for oddities in status output - especially as
it relates to the sync_ratio, dev_health, and sync_action fields.
For the test clean-up, I was providing too many devices to the first
command - possibly allowing it to allocate in the wrong place. I was
also not providing a device for the second command - virtually ensuring
the test was not performing correctly at times.
This patch ensures that under normal conditions (i.e. not during repair
operations) that users are prevented from removing devices that would
cause data loss.
When a RAID1 is undergoing its initial sync, it is ok to remove all but
one of the images because they have all existed since creation and
contain all the data written since the array was created. OTOH, if the
RAID1 was created as a result of an up-convert from linear, it is very
important not to let the user remove the primary image (the source of
all the data). They should be allowed to remove any devices they want
and as many as they want as long as one original (primary) device is left
during a "recover" (aka up-convert).
This fixes bug 1461187 and includes the necessary regression tests.
Two of the sync actions performed by the kernel (aka MD runtime) are
"resync" and "recover". The "resync" refers to when an entirely new array
is going through the process of initializing (or resynchronizing after an
unexpected shutdown). The "recover" is the process of initializing a new
member device to the array. So, a brand new array with all new devices
will undergo "resync". An array with replaced or added sub-LVs will undergo
"recover".
These two states are treated very differently when failures happen. If any
device is lost or replaced while "resync", there are no worries. This is
because any writes created from the inception of the array have occurred to
all the devices and can be safely recovered. Even though non-initialized
portions will still be resync'ed with uninitialized data, it is ok. However,
if a pre-existing device is lost (aka, the original linear device in a
linear -> raid1 convert) during a "recover", data loss can be the result.
Thus, writes are errored by the kernel and recovery is halted. The failed
device must be restored or removed. This is the correct behavior.
Unfortunately, we were treating an up-convert from linear as a "resync"
when we should have been treating it as a "recover". This patch
removes the special case for linear upconvert. It allows each new image
sub-LV to be marked with a rebuild flag and treats the array as 'in-sync'.
This has the correct effect of causing the upconvert to be treated as a
"recover" rather than a "resync". There is no need to flag these two states
differently in LVM metadata, because they are already considered differently
by the kernel RAID metadata. (Any activation/deactivation will properly
resume the "recover" process and not a "resync" process.)
We make this behavior change based on the presense of dm-raid target
version 1.9.0+.
Code path missed validation of lvcreate --cachepool argument.
If the non cache-pool LV was passed in, code has still continued
further work and failed later on internal error. Validate this
condition at right place now.
- Must reread all objects as PVs might be removed.
- Never consider testsuite provided PVs nested, or tearDown fails to
remove any outstanding VGs on them.
With recent updates for thin pool monitoring in version 169
we lost multiple WARNINGs to be printed in syslog, when
pool crossed 80%, 85%, 90%, 95%, 100%.
Restore this logic as we want to keep user informed more
then just once when 80% boundary is passed.
If the device size does not match the size requested
by --setphysicalvolumesize, then prompt the user.
Make the pvcreate checking/prompting code handle
multiple prompts for the same device, since the
new prompt can be in addition to the existing
prompt when the PV is in a VG.
When metadata LV size was over DM_THIN_MAX_METADATA_SIZE sectors,
the info() routine was incorrectly trying to match bigger size,
while we do never pass any bigger device.
Fixing a case, where lvs should be displaying status for metadata
LV with 16GB size.
Reshape check failed when regionsize changed and current raid type
was provided with no other change requested (stripes or stripesize).
E.g. "lvconvert --type raid6 --regionsize 256K" on a raid6 LV
with != 256K regionsize.
Enable --type in test script.
Use only selected paths for finding .so in builddir.
So if builddir constains some embeded subdirs with some more
occurences of project (i.e. 'make rpm' build subdir)
those library paths will not get into list.
lvconvert should not leak 'error' device.
(This patch is not fix the problem, just makes it more easily visible
instead of more confusing 'clvmd' trace).
Since we want to test different cache policies with profiles mq&smq
raise version to 1.8.
TODO: maybe split in more tests so older targets can test here as well.
N.B.: passthrough is also not supported with version 1.3
If SubLVs to be removed still exist after an image removing
conversion (i.e. "lvconvert --yes --force --stripes N "
with N < total stripes) any request to convert to a different
striped/raid* level has to be rejected until after those freed
SubLVs got removed by running the aforementioned lvconvert again.
Add tests to check conversion to striped/raid* gets rejected.
Enhance a test comment.
Related: rhbz1191935
Related: rhbz1366296
Adjust to final target version 1.10.1 supporting reshape
properly and to recently changed report field specifications
(e.g. rehape_len_le) to allow these tests to run.
Lower mirror region size to suite the tiny test VG.
