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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_....
