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This patch is to add VG testing on multi hosts. There have two scripts,
the script multi_hosts_vg_hosta.sh is used to create VGs on one host,
and the second script multi_hosts_vg_hostb.sh afterwards will acquire
global lock and VG lock, and remove VGs. The testing flow verifies the
locking operations between two hosts with lvmlockd and the backend
locking manager.
On the host A:
make check_lvmlockd_idm \
LVM_TEST_BACKING_DEVICE=/dev/sdj3,/dev/sdk3,/dev/sdl3 \
LVM_TEST_MULTI_HOST=1 T=multi_hosts_vg_hosta.sh
On the host B:
make check_lvmlockd_idm \
LVM_TEST_BACKING_DEVICE=/dev/sdj3,/dev/sdk3,/dev/sdl3 \
LVM_TEST_MULTI_HOST=1 T=multi_hosts_vg_hostb.sh
Signed-off-by: Leo Yan <leo.yan@linaro.org>
After the lvmlockd abnormally exits and relaunch the daemon, if LVM
commands continue to run, lvmlockd and the backend lock manager (e.g.
sanlock lock manager or IDM lock manager) should can continue to serve
the requests from LVM commands.
This patch adds a test to emulate lvmlockd failure, and verify the LVM
commands after lvmlockd recovers back. Below is an example for testing
the case:
# make check_lvmlockd_idm \
LVM_TEST_BACKING_DEVICE=/dev/sdo3,/dev/sdp3,/dev/sdp4 \
LVM_TEST_FAILURE=1 T=lvmlockd_failure.sh
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>
Test can set individually a higher value for required free space on
storage.
Note: it is not fully reliable since when 'brd' (ramdisk) device is used
this free space value is rather meanigul, but it might help
in case where a real filesystem is doing back-end for test devices.
If the test does not need root, it can use 'SKIP_ROOT_DM_CHECK'.
For such test no actions needed root to initilize DM devices and
nodes will be take and test can check i.e. functional unit tests.
Just like with other vars support this:
make check_local T=xyz LVM_LOG_FILE_MAX_LINES=10000000
Allows easily to override existing line limit.
Also increase limiting size of logs per command since some of
our commands are becoming very verbose....
Avoid starting test, when test dir has less then 50M of free space.
Better to crash early before letting die machine on weird crash
in OOM cases...
Also show free disk space when test starts
Check 'dmsetup version' is called before starting any more
advanced logic in $DM_DEV_DIR.
Call also replaces mkdir as it creates needed path with control node.
When logging to epoch files we would like to prevent creating too large
log files otherwise a spining command could fulfill available space
very easily and quickly.
Limit for to 100000 per command.
Avoid running tests, when prefix already exist in the system.
As prefix just uses PID number, we may hit a case for long
running tests, where devices from some previous runs were not
properly cleared away - detect this and fail early.
(Such machine should be inspected and fixed).
Enhance 'not' to manage autodeletion of log files in right cases.
Use separately marked epoch log files for clvmd and dmeventd.
Properly manage stack tracing for new debug.log names.
