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This patch is to add the stress testing, which launches two threads,
each thread creates LV, activate and deactivate LV in the loop; so this
can test for multi-threading in lvmlockd and its backend lock manager.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
This patch is to add the stress testing, which loops to create LV,
activate and deactivate LV in the single thread.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Add checking for lvmlockd log, this can be used for the test cases which
are interested in the interaction with lvmlockd.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
For testing idm locking scheme, it's good to cleanup the idm context
before run the test cases. This can give a clean environment for the
testing.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
In current implementation, the option "LVM_TEST_BACKING_DEVICE" only
supports to specify one backing device; this patch is to extend the
option to support multiple backing devices by using comma as separator,
e.g. below command specifies two backing devices:
make check_lvmlockd_idm LVM_TEST_BACKING_DEVICE=/dev/sdj3,/dev/sdk3
This can allow the testing works on multiple drives and verify the
locking scheme if can work as expected for multiple drives case. For
example, for Seagate IDM locking scheme, if a VG uses two PVs, every PV
is resident on a drive, thus the locking operations will be sent to two
drives respectively; so the extension for "LVM_TEST_BACKING_DEVICE" can
help to verify different drive configurations for locking.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
This patch is to introduce testing option LVM_TEST_LOCK_TYPE_IDM, with
specifying this option, the Seagate IDM lock manager will be launched as
backend for testing. Also add the prepare and remove shell scripts for
IDM.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
While we heavily try to spot arrays that are not yet in-sync,
some kernels tends to block our lvm2 command in kernel,
while we resume these smaller raid arrays even for 5 seconds.
But since the result is not really wrong - report these
check failures only as TEST WARNING.
The autoactivation property can be specified in lvcreate
or vgcreate for new LVs/VGs, and the property can be changed
by lvchange or vgchange for existing LVs/VGs.
--setautoactivation y|n
enables|disables autoactivation of a VG or LV.
Autoactivation is enabled by default, which is consistent with
past behavior. The disabled state is stored as a new flag
in the VG metadata, and the absence of the flag allows
autoactivation.
If autoactivation is disabled for the VG, then no LVs in the VG
will be autoactivated (the LV autoactivation property will have
no effect.) When autoactivation is enabled for the VG, then
autoactivation can be controlled on individual LVs.
The state of this property can be reported for LVs/VGs using
the "-o autoactivation" option in lvs/vgs commands, which will
report "enabled", or "" for the disabled state.
Previous versions of lvm do not recognize this property. Since
autoactivation is enabled by default, the disabled setting will
have no effect in older lvm versions. If the VG is modified by
older lvm versions, the disabled state will also be dropped from
the metadata.
The autoactivation property is an alternative to using the lvm.conf
auto_activation_volume_list, which is still applied to to VGs/LVs
in addition to the new property.
If VG or LV autoactivation is disabled either in metadata or in
auto_activation_volume_list, it will not be autoactivated.
An autoactivation command will silently skip activating an LV
when the autoactivation property is disabled.
To determine the effective autoactivation behavior for a specific
LV, multiple settings would need to be checked:
the VG autoactivation property, the LV autoactivation property,
the auto_activation_volume_list. The "activation skip" property
would also be relevant, since it applies to both normal and auto
activation.
Switch to plain 'kill' we should no longer need SIGKILL
as polling can be interrupted.
Resolve problem in aux wait_pvmove_lv_ready() that was using
lvm command to check for UUID - but this was interferring with
VG lock and it's been delaying confirmation.
So reducing slow-down of test - so it can run faster.
Looks like there was some missed versioning increase during devel.
So with kernel >= 4.18 version 1.19 is enough to look like 1.20
However backported 1.19 targets seems to not provide all
the capabilities.
Test has to use PV with suffix pv[0..9] otherwise
it's ignored by test suite filter.
Better fix for VG names to use prefix LVMTEST.
Skip the test for runs without LVM_TEST_DEVDIR != /dev
Always use PREFIX for vg header - all tests must use this prefix,
VGs without are not allowed.
Modify pv_symlink test - as the test was checking unsupportable
combination - since lvm2 commands withing testsuite are only
allowed to manipulate with /dev/mapper/LVMTESTXXXX path -
nothing else allowed and fails on being filtered.
Added comment the 'lvs' already initiates dmeventd
Note: we don't have any query mechanism to check if dmeventd
is already running except access of socket which basically
starts dmeventd if it's not running.
For determinist test results lvm2/dm service shall not be present
and running in the system as it may randomize test results.
In case they are found present, this test ends with warning (not failure).
Some older instancies of 'mdadm' opened legs in RW and
closed and opened again and expected exlusive access.
But here udev rule can be fired - so on these versions
slow down whole mdadm runtime by using strace, to
give system a bit more time to finish udev rule.
Make check_lvmpolld_init_rq_count() more compatible with older gawk,
where some functionality was not working properly.
Also change 'not not' condition.
Just like lvm command ignores 0/xxxx report from judging the status.
Avoid using infinite loop and limit report checking to 100 checks.
If it would need more - something is not right.
Our tests may result in producation of huge set of
invalid links in /dev/disk directory depeding on version
of udev and various kinds of failures.
Also we happen to invoke some on-system pvscans generating
local /etc/lvm/archive & backups - remove them when
test is finished.
Try to synchronize with colliding udev.
Also retry once if there is some failure with some
sleep between next retry.
Use oflag=direct for wipping without wipefs.
Combination of throttling and slowed device is a bit faster.
Also add FIXME about the mutliple spawn polling processing
when activating invidual LV for a pvmove.
Use for testing new mdadm_create aux wrapper.
Place functionality into a 2 pass loop - one for 'auto' other for 'start'.
Share same tests between raid level 0 and level 1 version of raid.
Add generic wrapper for mdadm --create which takes
normal 'mdadm' args - but allows us to handle differences of
mdadm usage across various version of mdadm tool.
Resulting MD device is availalble in $(< MD_DEV).
Automatic cleaning is made through cleanup_md_dev
Calling of mdadm_create cleans previous MD dev if it exists.
When testing installed binaries on system, use more 'built-in'
predefined settings to usethem with their compiled-in values.
Also it's better to use same locking dir so the system's pvscan
is not unexpectedly interferring with test commands.
We have here some kind of catch-22 - since older kernels do
use 'resync' while new 'recover' for initial raid synchronization.
So now - how do we recognize in which state of raid we are.
ATM seems to be simplest to simply keep disabled droping of primary raid
leg unless we are in sync.
FIXME: we should add a target version check and enable removal
Always shift created virtual PVs on backing device by 1MiB
and leave 1MiB free space at the end of device.
This way the system doesn't see same PV headers at multiple devices.
Adding full filesystem sync, trying to fight with strange error from losetup:
losetup: loopa: failed to set up loop device: Resource temporarily unavailable
loop0: detected capacity change from 0 to 4096
loop_set_block_size: loop0 () has still dirty pages (nrpages=13)
Also reuse internal aux wipefs_a
This modification supports dynamically obtaining the value of PAGE_SIZE,
which is compatible with systems with PAGE_SIZE of (4K/64K)
Signed-off-by: wuguanghao <wuguanghao3@huawei.com>
This reverts commit 99b6173f10.
These tests are disabled with lvmlockd because they use
snapshots without an origin which is not permitted in a
shared vg.
user creates a file listing real devices they want
lvm tests to use, and sets LVM_TEST_DEVICE_LIST.
lvm tests can use these with prepare_real_devs
and get_real_devs.
Other aux functions do not work with these devs.
To better test actually fsadm in test suite - avoid setting
LVM_BINARY locally - since test setup already modifies
PATH to find test's lvm binary as the 1st. in path.
Move extra md component detection into the label scan phase.
It had been in set_pv_devices which was deep within the vg_read
phase, which wasn't a good place (better to detect that earlier.)
Now that pv metadata info is available in the scan phase, the pv
details (size and device_hint) can be used for extra md checking.
Use the device_hint from the pv metadata to trigger a full md
component check if the device_hint begins with /dev/md.
Stop triggering full md component checks based on missing
udev info for a dev.
Changes to tests to reflect that the code is now detecting
md components in some test case that it wasn't before.
A cachevol can be forcibly detached when it's missing devices.
Also allow this if it's damaged/invalid and unrepairable.
This would be needed to recover data from the origin LV after
a cachevol is lost or damaged beyond repair.
In cases where lvconvert does not detect a fs block size on the
device, it falls back to choosing a writecache block size based
on the device's LBS and PBS (tries to match those.)
If the user specifies a writecache block size on the command
line (--cachesettings block_size=4096|512), lvconvert currently
fails and reports an error if the user-specified value does not
match the value lvconvert would have chosen based on LBS and PBS.
The purpose of allowing a user-specified value on the command line
is to override what lvconvert would otherwise do, so change this
to just print a warning that the user value does not match the
value that would be chosen based on the LBS/PBS, and then take
the user-specified value as the writecache block size.
In case legs of a raid0 LV are removed, the lvdisplay command still
reports 'available' though raid0 is not providing any resilience
compared to the other raid levels.
Also lvdisplay does not display '(partial)' in case of missing raid0
legs as oposed to the lvs command.
Enhance lvdisplay to report "NOT available" for any RaidLV type in case
too many legs are inaccessible hence causing data loss. I.e. any leg
for raid0, all for raid1, more than 1 for raid4/5, more than 2 for raid6
and in case of completely lost mirror groups for raid10.
Add test/shell/lvdisplay-raid.sh.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1872678
When a writecache sublv or an integrity metadata sublv
are partial (missing a dev), set the partial flag on
the upper level LV also, as is done for other sublvs.
Fix the two-step writecache detach in commit c32d7fed4f.
In the case of uncache, the cachevol is removed after
detaching the writecache. When the detach is finished
in the second step, the remove must wait until then.
Verify that corruption is corrected for raid levels other
than raid1. For other raid levels, attempt to corrupt the
given file pattern on each underlying device, since we don't
know which device contains the file being corrupted.
This ensures that corruption is actually be introduced
when testing the other raid levels.
Verify that corruption is being corrected by checking
the integritymismatches count is non-zero for the raid LV,
which includes the total from all images (since we don't
know which image will have the corruption.)
