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Do not use signature wiping for newly created LVs in tests - we're
reusing the devs in tests and such detection could just interfere
inappropriately. We'd need to modify all tests to anwer the prompt
whether any signature found should be removed or not or we'd need
to use "-y" option for all lvcreates in tests. It's better to disable
this feature then and let's do a separate test to test this signature
wiping functionality.
3.12.0 kernel prevents raid test to be usable,
leaving unremovable devices in table.
This needs to be fixed ASAP, meanwhile disable test to make
test machines at least usable.
Add 'can_use_16T' to detect systems where we could
safely use 16T devices without causing system deadlocks.
16T size leads on those to endless loops in udevd
- it calls blkid which tries cached read from such device
- this ends in endless loop.
Related problems:
https://bugzilla.redhat.com/show_bug.cgi?id=1015028
A know issue with kmem_cach is causing failures while testing
RAID 4/5/6 device replacement. Blacklist the offending kernel
so that these tests are not performed there.
Creation, deletion, [de]activation, repair, conversion, scrubbing
and changing operations are all now available for RAID LVs in a
cluster - provided that they are activated exclusively.
The code has been changed to ensure that no LV or sub-LV activation
is attempted cluster-wide. This includes the often overlooked
operations of activating metadata areas for the brief time it takes
to clear them. Additionally, some 'resume_lv' operations were
replaced with 'activate_lv_excl_local' when sub-LVs were promoted
to top-level LVs for removal, clearing or extraction. This was
necessary because it forces the appropriate renaming actions the
occur via resume in the single-machine case, but won't happen in
a cluster due to the necessity of acquiring a lock first.
The *raid* tests have been updated to allow testing in a cluster.
For the most part, this meant creating devices with '-aey' if they
were to be converted to RAID. (RAID requires the converting LV to
be EX because it is a condition of activation for the RAID LV in
a cluster.)
Function to create slower responsive device.
Useful for testing things which needs to happen something during on
going operation - with 'delayed' device - much smaller sizes of devices
are needed and its much more deterministic (though still not optimal)
aux updates:
prepare_vg now created clustered VG for cluster tests.
since dm-raid doesn't work in cluster, skip the cluster
test when someone checks for dm-raid target until fixed.
Aux function to replace PV with specifically damaged device.
Usage:
aux error_dev "$dev1" 8:32 96:8
Replaces from 8 sector 32 error 512b sectors
and from 96 sector next 8 sectors will fail on rw.
Rest of device is preserved.
For testing:
dd if="$dev1" of=x bs=512 count=104 conv=sync,noerror iflag=direct
When valgrind usage is desired by user (--enable-valgrind-pool)
skip playing/closing/reopenning with descriptors - it makes
valgridng useless.
Make sleep delay for clvmd start longer.
- logging is not controlled by "levels" but by "types"; types are
independent of each other... implementation of the usual "log level"
user-level semantics can be simply done on top; the immediate
application is enabling/disabling wire traffic logging independently
of other debug data, since the former is rather bulky and can easily
obscure almost everything else
- all logs go to "outlets", of which we currently have 2: syslog and
stderr; which "types" go to which "outlets" is entirely configurable
Add make help target.
Add LVM_TEST_PARALLEL to support parallel runs of tests
Work around the problem the dmsetup table/info may return error
by using dmtable and dminfo function that will use 'should'.
(Error happens when some concurently running process removes table
entry while dmsetup command resolves table entries inside the loop.)
Make the teardown really usable - it will try down to remove all the left
devices even from previous test runs
(the only missing piece is probably proper mdadm teardown)
Add few more local vars
Try to setup PATH and LD_LIBRARY_PATH just once.
Try shorter sleeps.
Indent
Add valgrind support:
env LVM_TEST_VALGRIND={0123} (the higher level, more commands tested)
env LVM_TEST_CLVMD=1 runs clvmd within valgrind.
env VALGRIND script name executed for each lvm command (def. is valg).
Smarted teardown - should minimize occurence of left dev entries
(using dmsetup remove -f only as last resort)
sort removed devices by open count before actual removal
Use "" around string that may contain spaces.
Set log/verbose and activation/retry_deactivation to defined value.
Remove debug.log after successful lvm command (easier to check output).
Currently we could not test special prefixes in our test suite.
As teardown will not find such device and basicaly busyloops here,
as at cannot remove such names.
This patch adds possibity to use:
vgcreate V_$vg1 $dev
Note: you still need to use $PREFIX somewhere in the name.
(And of course, it's really bad idea to use $PREFIX (=LVMTEST)
for normally used LVs)
The only purpose of this patch is to allow testing cluster with
special vg names that begins with V_ , P_....
When running tests it might be useful to have an override option when
testing on real /dev and some broken system (i.e. Debian and its rules).
So one can use:
LVM_TEST_DEVDIR=/dev LVM_VERIFY_UDEV=1 make check
Test whether nodes could be used on given filesystem where TMP
dir is being used and skip teardown quicker in fail case.
(makes the problem quickly obvious if you try to such fs).
Skip teardown_dev if we have not created any devs yet.
and do not mkdir /dev/mapper dir when LVM_TEST_DEVDIR is set.
Drop this test from t-000-basic.sh.
daemon/common code in a single libdaemon.a, which is completely private. This
is currently linked into the lvmetad binary, and will be linked into LVM (the
client part, since static linking only picks up only symbols that are actually
used). I have also added --enable/disable-lvmetad to ./configure; although the
current default is off, I expect this to be flipped to on shortly. There's no
LVM-side support yet, but when there is, even when built, it'll still need to
be enabled by an lvm.conf option.
Add config option to enable crc checking of VG structures.
Currently it's disabled by default.
For the internal test-suite this check it is enabled.
Note: In the case the internal error is detected, debug build with
compile option DEBUG_ENFORCE_POOL_LOCKING helps to catch the source
of the problem.
Since some test may leave devices in suspend mode which would require
carefull order of resume operation - use '-f' to replace them with
error targets
For disable_dev - when 'error' target is used for open count - treat
return code as ok (|| true) to avoid breaking futher test processing.
- somewhat neater, more consistent and more readable output
- possible to set any lvm.conf value: aux lvmconf "section/key = value"
- LVM_TEST_NODEBUG to suppress the (lengthy) "## DEBUG" output
- back-substitution on test output ($TESTDIR/$PREFIX -> @TESTDIR@/@PREFIX@)
- support code moved from test/ to test/lib/ --> less clutter
