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Possible misspelling: FAILED_MIXED_STR may not be assigned, but FAIL_MIXED_STR is.
Possible misspelling: FAILED_MULTI_STR may not be assigned, but FAIL_MULTI_STR is.
Possible misspelling: FAILED_BLACK_STR may not be assigned, but FAIL_BLACK_STR is.
Correctly skip the test when lvmdbusd is found already running.
For pgrep usage we need to add '-f -l' options to get python3 name
printed.
Remove no longer used 'pids' local var.
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.
Splitting off an image LV of a 2-legged
raid1 LV causes loss of resilience.
Ask user to avoid uninformed loss of all resilience.
Don't ask for N > 2 legged raid1 LVs.
Adjust tests.
During an ongoing reshape, the MD kernel runtime reads stripes relative
to data_offset and starts storing the reshaped stripes (with new raid
layout and/or new stripesize and/or new number of stripes) relative
to new_data_offset. This is to avoid writing over any data in place
which is non-atomic by nature and thus be recoverable without data loss
in the transition. MD uses the term out-of-place reshaping for it.
There's 2 other areas we don't have report capability for:
- number of data stripes vs. total stripes
(e.g. raid6 with 7 stripes toal has 5 data stripes)
- number of (rotating) parity/syndrome chunks
(e.g. raid6 with 7 stripes toal has 2 parity chunks; one
per stripe for P-Syndrome and another one for Q-Syndrome)
Thus, add the following reportable keys:
- reshape_len (in current units)
- reshape_len_le (in logical extents)
- data_offset (in sectors)
- new_data_offset ( " )
- data_stripes
- parity_chunks
Enhance lvchange-raid.sh, lvconvert-raid-reshape-linear_to_striped.sh,
lvconvert-raid-reshape-striped_to_linear.sh, lvconvert-raid-reshape.sh
and lvconvert-raid-takeover.sh to make use of new keys.
Related: rhbz834579
Related: rhbz1191935
Related: rhbz1191978
Add aforementioned but forgotten new test scripts
lvconvert-raid-reshape-linear_to_striped.sh,
lvconvert-raid-reshape-striped_to_linear.sh and
lvconvert-raid-reshape.sh
Those presume dm-raid target version 1.10.2
provided by a following kernel patch.
Related: rhbz834579
Related: rhbz1191935
Related: rhbz1191978
In order to support striped raid5/6/10 LV reshaping (change
of LV type, stripesize or number of legs), this patch
introduces the changes to call the reshaping infratructure
from lv_raid_convert().
Changes:
- add reshaping calls from lv_raid_convert()
- add command definitons for reshaping to tools/command-lines.in
- fix raid_rimage_extents()
- add 2 new test scripts lvconvert-raid-reshape-linear_to_striped.sh
and lvconvert-raid-reshape-striped_to_linear.sh to test
the linear <-> striped multi-step conversions
- add lvconvert-raid-reshape.sh reshaping tests
- enhance lvconvert-raid-takeover.sh with new raid10 tests
Related: rhbz834579
Related: rhbz1191935
Related: rhbz1191978
The MD kernel raid1 personality does no use any writemostly leg as the primary.
In case a previous linear LV holding data gets upconverted to
raid1 it becomes the primary leg of the new raid1 LV and a full
resynchronization is started to update the new legs.
No writemostly and/or writebehind setting may be allowed during
this initial, full synchronization period of this new raid1 LV
(using the lvchange(8) command), because that would change the
primary (i.e the previous linear LV) thus causing data loss.
lvchange has a bug not preventing this scenario.
Fix rejects setting writemostly and/or writebehind on resychronizing raid1 LVs.
Once we have status in the lvm2 metadata about the linear -> raid upconversion,
we may relax this constraint for other types of resynchronization
(e.g. for user requested "lvchange --resync ").
New lvchange-raid1-writemostly.sh test is added to the test suite.
Resolves: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=855895
When the test would need to try to write some large amount of data
we can give it 'zero' segments - for obvious reason such written data
can't be verified but in some test cases it doesn't really matter.
Usage follows 'error_dev' style.
For now test suite is not supporting any combination of
error/delay/zero segments so only 1 type could be used per PV.
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.
This is a new explicit version of 'lvconvert LV'
which has been an obscure way of triggering polling
to be restarted on an LV that was previously converted.
Lift all the snapshot utilities (merge, split, combine)
out of the monolithic lvconvert implementation, using
the command definitions. The old code associated with
these commands is now unused and will be removed separately.
. Define a prototype for every lvm command.
. Match every user command with one definition.
. Generate help text and man pages from them.
The new file command-lines.in defines a prototype for every
unique lvm command. A unique lvm command is a unique
combination of: command name + required option args +
required positional args. Each of these prototypes also
includes the optional option args and optional positional
args that the command will accept, a description, and a
unique string ID for the definition. Any valid command
will match one of the prototypes.
Here's an example of the lvresize command definitions from
command-lines.in, there are three unique lvresize commands:
lvresize --size SizeMB LV
OO: --alloc Alloc, --autobackup Bool, --force,
--nofsck, --nosync, --noudevsync, --reportformat String, --resizefs,
--stripes Number, --stripesize SizeKB, --poolmetadatasize SizeMB
OP: PV ...
ID: lvresize_by_size
DESC: Resize an LV by a specified size.
lvresize LV PV ...
OO: --alloc Alloc, --autobackup Bool, --force,
--nofsck, --nosync, --noudevsync,
--reportformat String, --resizefs, --stripes Number, --stripesize SizeKB
ID: lvresize_by_pv
DESC: Resize an LV by specified PV extents.
FLAGS: SECONDARY_SYNTAX
lvresize --poolmetadatasize SizeMB LV_thinpool
OO: --alloc Alloc, --autobackup Bool, --force,
--nofsck, --nosync, --noudevsync,
--reportformat String, --stripes Number, --stripesize SizeKB
OP: PV ...
ID: lvresize_pool_metadata_by_size
DESC: Resize a pool metadata SubLV by a specified size.
The three commands have separate definitions because they have
different required parameters. Required parameters are specified
on the first line of the definition. Optional options are
listed after OO, and optional positional args are listed after OP.
This data is used to generate corresponding command definition
structures for lvm in command-lines.h. usage/help output is also
auto generated, so it is always in sync with the definitions.
Every user-entered command is compared against the set of
command structures, and matched with one. An error is
reported if an entered command does not have the required
parameters for any definition. The closest match is printed
as a suggestion, and running lvresize --help will display
the usage for each possible lvresize command.
The prototype syntax used for help/man output includes
required --option and positional args on the first line,
and optional --option and positional args enclosed in [ ]
on subsequent lines.
command_name <required_opt_args> <required_pos_args>
[ <optional_opt_args> ]
[ <optional_pos_args> ]
Command definitions that are not to be advertised/suggested
have the flag SECONDARY_SYNTAX. These commands will not be
printed in the normal help output.
Man page prototypes are also generated from the same original
command definitions, and are always in sync with the code
and help text.
Very early in command execution, a matching command definition
is found. lvm then knows the operation being done, and that
the provided args conform to the definition. This will allow
lots of ad hoc checking/validation to be removed throughout
the code.
Each command definition can also be routed to a specific
function to implement it. The function is associated with
an enum value for the command definition (generated from
the ID string.) These per-command-definition implementation
functions have not yet been created, so all commands
currently fall back to the existing per-command-name
implementation functions.
Using per-command-definition functions will allow lots of
code to be removed which tries to figure out what the
command is meant to do. This is currently based on ad hoc
and complicated option analysis. When using the new
functions, what the command is doing is already known
from the associated command definition.
Add:
- region size checks to raid_manip.c types array and supporting functions
- tests to lvconvert-raid-takeover.sh to check bogus
"lvconvert --type --regionsize N " requests
Related: rhbz1366296
Kernel 4.10 (dm-crypt v1.15.0) and later supports loading device
tables with crypt segment having key in kernel keyring retention
service.
dmsetup hid key section of tables output. With this patch dmsetup
no longer hides key section if it detects kernel key description
instead of hex byte representation of key itself.
Add:
- conversion support from striped/raid0/raid0_meta to/from raid10;
raid10 goes by the near format (same as used in creation of
raid10 LVs), which groups data copies together with their original
blocks (e.g. 3-way striped, 2 data copies resulting in 112233 in the
first stripe followed by 445566 in the second etc.) and is limited
to even numbers of legs for now
- related tests to lvconvert-raid-takeover.sh
- typo
Related: rhbz1366296
- support shrinking of raid0/1/4/5/6/10 LVs
- enhance lvresize-raid.sh tests: add raid0* and raid10
- fix have_raid4 in aux.sh to allow lv_resize-raid.sh
and other scripts to test raid4
Resolves: rhbz1394048
Commit cfb6ef654d introduced
support to change RAID region size.
Add:
- missing conditions to support any types to function with
it in lv_raid_convert(); temporary workaround used until
cli validation patches get merged
- tests requesting "-R " to lvconvert-raid-takeover.sh
involving a cleanup of the script
Related: rhbz1392947
Add:
- support to change region size of existing RaidLVs
(all RAID LV types but raid0/raid0_meta)
- lvconvert-raid-regionsize.sh with test variations
for different RAID types and region sizes
Resolves: rhbz1392947
Well waiting for zeroing may take enough time to finish 'raid' sync.
So make the test running faster without zeroing and better avoid race
to have chance to happen (i.e. lvcreate is finished after array
gets already in sync).
Add:
- support for segment types raid6_{ls,rs,la,ra}_6
(striped raid with dedicated last Q-Syndrome SubLVs)
- conversion support from raid5_{ls,rs,la,ra} to/from raid6_{ls,rs,la,ra}_6
- setting convenient segtypes on conversions from/to raid4/5/6
- related tests to lvconvert-raid-takeover.sh factoring
out _lvcreate,_lvconvert funxtions
Related: rhbz1366296
Add:
- support for segment type raid6_n_6 (striped raid with dedicated last parity/Q-Syndrome SubLVs)
- conversion support from striped/raid0/raid0_meta/raid4 to/from raid6_n_6
- related tests to lvconvert-raid-takeover.sh
Related: rhbz1366296
Add:
- support for segment type raid5_n (striped raid with dedicated last parity SubLVs)
- conversion support from striped/raid0/raid0_meta/raid4 to/from raid5_n
- related tests to lvconvert-raid-takeover.sh
Related: rhbz1366296
Since we still experience occasiaonal test failure - slow
things down even more to avoid race.
Add support for 'quick' table changes between normal & delayed tables.
Solves: https://bugzilla.redhat.com/1280496
The only reasonable behaviour here is to error on
any number out of accepted range (i.e. now numbers
wrapping around with some hidden logic).
As this is plain bug there is no support for
backward compatibility since noone should
set numbers >UINT32_MAX and expect 0 or error
depending on how big number was used....
TODO: more fields might need to be converted.
Add to commits 87117c2b25 and 0b8bf73a63 to avoid refreshing two
times altogether, thus avoiding issues related to clustered, remotely
activated RaidLV. Avoid need to repeat "lvchange --refresh RaidLV"
two times as a workaround to refresh a RaidLV. Fix handles removal
of temporary *-missing-* devices created for any missing segments
in RAID SubLVs during activation.
Because the kernel dm-raid target isn't able to handle transiently
failing devices properly we need
"[dm-devel][PATCH] dm raid: fix transient device failure processing"
as well.
test: add lvchange-raid-transient-failures.sh
and enhance lvconvert-raid.sh
Resolves: rhbz1025322
Related: rhbz1265191
Related: rhbz1399844
Related: rhbz1404425
To be able to detect lvm2 command is not leaking some
'unexpected' device - remove all devices before
test exits by its own command so test teardown
now can check what was 'left' unexpectedly.
Use LVM_DBUSD_TEST_MODE env variable to customize what we test.
Default is the same where we try to test all combinations of all
modes. Renamed to make it consistent with the other env variables
that are used in the unit test.
- We check that all properties match the introspection data. We
don't verify values for every property as only lvm knows what they
should be.
- We are testing vg.Move
The default dbus python library mode of operation is to leverage
introspection. However, this introspection data isn't accessible
for users of the library and they have to specifically retrieve
the introspection data too. This resulted in many introspection
calls being made. This change eliminates introspection calls if
we are testing multiple concurrent test clients. If it's a single
client we will leverage a reduced amount of introspection data to
verify the introspection data is correct. Typically clients don't
leverage introspection data nearly as much as this test client.
The env variable LVM_DBUSD_PV_DEVICE_LIST when present and filled in
with at least 4 physical devices will run concurrently with other
instances running as long as they specify different devices in their
env variable.
When the env variable is not present the test runs as it did before.
Looks like this isn't support across versions. Need to add functionality
to service to return the supported segment types, so we only use the
supported ones.
0 interval leads as of now to a busy loop with lvmetad and command.
Avoid testing this patological case.
TODO: Code should possibly translate zero interval into some small
sleep. With lvmpolld it's already 1/10s
Add new targets:
make check_lvmpolld
make check_cluster_lvmpolld
make check_lvmetad_lvmpolld
make check_all_lvmpolld
So check_lvmetad runs only base lvmetad test - to much
logic of remaining targets.
Previous behavior is available via check_all_lvmpolld.
