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160 Commits

Author SHA1 Message Date
Zdenek Kabelac
0d945ddbad dmeventd_thin: switch to struct percent 
Later we can use stored percent values to pass them
to executed commands.
 2017-01-20 23:55:50 +01:00
Zdenek Kabelac
eca964b554 dmeventd_thin: handling of internal command 2017-01-20 23:55:50 +01:00
Zdenek Kabelac
dd19b56985 thin: refresh status when error processing fails 
When thin-pool processes event and 'lvextend --use-policies' fails
rather capture up-to-date new info as the fullness percentage may
have jumped noticable. This way we could use 'more' correct numbers
when checking for thresholds.
 2016-12-22 23:37:07 +01:00
Zdenek Kabelac
f9c6c115d3 cleanup: easier code for raid plugin 
Set bits only when then were not yet assigned.
 2016-12-09 15:15:02 +01:00
Zdenek Kabelac
5fd5cfe061 cleanup: use display_lvname and msg cleanup 
Use display_lvname in tracing messages.
Add some missing 'dots' to messages.
 2016-11-23 17:48:01 +01:00
Zdenek Kabelac
a9ee86ccf2 dmeventd: provide message context 
Show device name with printed message.
Also use different level for printing error message and
standard informational message.
 2016-11-03 17:49:07 +01:00
Zdenek Kabelac
0d95082aa9 cleanup: remove goto 
Move goto path into 'if()' branch.
 2016-11-03 17:49:07 +01:00
Zdenek Kabelac
9cbe4c1af9 log_info to log_very_verbose 
Translate log_info() into log_very_verbose() which is macro
supposed to be used by our code.

log_info() is internal macro with eventually some 'symbolic' meaning
in syslogging daemons.
 2016-11-03 17:49:07 +01:00
Zdenek Kabelac
cc19cc07f7 log_info to log_warn 
Switch to log_warn level when we are reporting these message.
 2016-11-03 17:49:07 +01:00
Zdenek Kabelac
e3775173b4 cleanup: log_info to log_error 
Switch to more appropriate logging level.
 2016-11-03 17:49:07 +01:00
Zdenek Kabelac
4b4d19e3aa dmeventd: separate dm and dmeventd logging 
Ensure different logging function for dmeventd.c logging
and dm and lvm library.

We can recognize we want to show every log_info() and
log_notice() message from dmeventd.c code while not
exposing those from libdm/libdevmapper-event

Also switch to use log with errno - it's not changing
anything and doesn't bring any more features yet to dmeventd
logging but we just properly pass dm_errno_or_class properly
through the whole code stack for possible future use
(i.e. support of class logging for dmeventd).
 2016-11-03 12:43:09 +01:00
Zdenek Kabelac
ee04f1fcfd raid: dmeventd plugin use 64bit arithmetic 
Coverity suggested to used 64bit unsigned ints instead of signed 32b int.
Assuming there is no user of >31legs raid array.
 2016-10-03 17:44:25 +02:00
Heinz Mauelshagen
5d455b28fc lvconvert: fix (automatic) raid repair regression 
The dm-raid target now rejects device rebuild requests during ongoing
resynchronization thus causing 'lvconvert --repair ...' to fail with
a kernel error message. This regresses with respect to failing automatic
repair via the dmeventd RAID plugin in case raid_fault_policy="allocate"
is configured in lvm.conf as well.

Previously allowing such repair request required cancelling the
resynchronization of any still accessible DataLVs, hence reasoning
potential data loss.

Patch allows the resynchronization of still accessible DataLVs to
finish up by rejecting any 'lvconvert --repair ...'.

It enhances the dmeventd RAID plugin to be able to automatically repair
by postponing the repair after synchronization ended.

More tests are added to lvconvert-rebuild-raid.sh to cover single
and multiple DataLV failure cases for the different RAID levels.

- resolves: rhbz1371717
 2016-09-21 00:39:29 +02:00
Zdenek Kabelac
6064a5084e cleanup: clean gcc6 minor/major types warnings 
Put sys/sysmacros.h in front of sys/types.h header file as requested
by gcc6 part II.
 2016-09-07 16:42:34 +02:00
Zdenek Kabelac
b26604c8d8 dmeventd: typo and debug name fix 
Fix 'raw' -> 'row' fix.
Consitently use thin pool as a type of monitored device in info message.
 2016-08-31 11:13:59 +02:00
Zdenek Kabelac
adc1fe4b3f dmeventd: improved logged messages from thin plugin 
Show better names in logged messages.
 2016-07-04 17:40:24 +02:00
Zdenek Kabelac
2f638e07e8 dmeventd: thin plugin umount over 95% 
Run umount code only when either thin data or metadata are
above 95% - so if there are resize failures with 60%.
system fill keep running.

Also umount will only be tried with lvm2 LVs.
Foreign users are ATM unsuppored.
 2016-07-01 00:43:45 +02:00
Zdenek Kabelac
1be74cfd7f cleanup: gcc warn about comparing int with uint 2016-04-12 11:47:51 +02:00
Alasdair G Kergon
1216efdf15 activate: Use macros for target and module names. 2016-03-22 17:46:15 +00:00
Zdenek Kabelac
2e168a52b0 coverity: drop unneeded header 2016-02-23 21:40:12 +01:00
Zdenek Kabelac
fcbef05aae doc: change fsf address 
Hmm rpmlint suggest fsf is using a different address these days,
so lets keep it up-to-date
 2016-01-21 12:11:37 +01:00
Zdenek Kabelac
68e2ea11a3 mirror: fix condition 
Recent patch tested wrong condition for error
 2015-12-01 13:59:20 +01:00
Zdenek Kabelac
86e7894ecc cleanup: use dm_get_status_mirror 
Use libdm function to parse mirror status report.
 2015-12-01 13:03:16 +01:00
Zdenek Kabelac
099466939e thin: dmeventd plugin check number of failures 
If plugin's lvm command execution fails too often (>10 times),
there is no point to torture system more then necessary, just log
and drop monitoring in this case.
 2015-10-29 12:14:20 +01:00
Zdenek Kabelac
1a7bea0f0f cleanup: drop debug 2015-10-23 10:54:13 +02:00
Zdenek Kabelac
1a2d0a0c72 cleanup: indents 2015-10-22 22:46:10 +02:00
Zdenek Kabelac
aeec62ad19 dmeventd: snapshot plugin unmonitor 
Send signal to itself to mark plugin as 'finished' as
the watching rule is no longer usable.
 2015-10-22 22:41:12 +02:00
Zdenek Kabelac
fa9e41d2e3 dmeventd: thin plugin update 
Use  dm_make_percent for percentage calculation like lvm2 command.

Use a single call for resize.
 2015-10-22 22:33:07 +02:00
Zdenek Kabelac
6b0bc5b2d9 dmeventd: snapshot plugin device removal 
Add #ifdef-ed code to have ability to even remove unusable device.
For now purely experimental.
 2015-10-22 22:29:53 +02:00
Zdenek Kabelac
7ff5b03e5e dmeventd: snapshot plugin updates 
Improve test for invalid snapshot.

Use dm_make_percent() to manipulate with exactly same percentage
as lvm2 command is using.
 2015-10-22 22:29:50 +02:00
Zdenek Kabelac
91350f5c6a dmeventd: mirror plugin update 
Don't use  --config  - this requires reload of lvm.conf
 2015-10-22 22:28:37 +02:00
Zdenek Kabelac
9c5c9e2355 dmeventd: raid plugin reporting 
Fix raid logging introduced with last updating commit.
 2015-10-22 22:28:37 +02:00
Zdenek Kabelac
cde12cbe9e dmeventd: lvm2 plugin correctly debug 
Fix debug message and report exit when really doing it.
Also add missing '_' to static function.
 2015-10-22 22:28:37 +02:00
Zdenek Kabelac
a6d1c8ac65 dmeventd: use matching function 
Respect lvm2_log_fn prototype. The idea of 'reusing' print_log with
plain cast is causing very strange crashes with some older 'gcc'  compilers.
So just do it cleanly...
 2015-10-14 14:25:27 +02:00
Zdenek Kabelac
3f1a3b7090 dmeventd: fix missing '!' 
During recent code changes '!' was badly converted.
 2015-10-13 22:10:47 +02:00
Zdenek Kabelac
4b586ad3c2 dmeventd: rework raid plugin 
Switch to per-thread mem-pool and lock only for lvm2 calls.
Use libdm parser for raid status line.
 2015-10-13 16:02:19 +02:00
Zdenek Kabelac
256e432e78 dmeventd: less locking mirror 
Rework mirror plugin to use per-thread mem-pool.
This allows to use locking only for lvm2 library calls.
 2015-10-13 16:02:18 +02:00
Zdenek Kabelac
51ff7d5ed8 dmeventd: less locking for snapshot and thin 
Use lvm lock for lvm library calls.

dm functions in-use are 'thread-safe' since we use
local per-thread mem pool.
 2015-10-13 16:01:41 +02:00
Zdenek Kabelac
49e11102c7 dmeventd: add local mempool for raid and mirror 
Using local mempools allows to drop locks when such memory is needed.
 2015-10-13 15:56:23 +02:00
Zdenek Kabelac
a11cd2ca2d dmeventd: use new macros to init mempool 
For thin and snapshot use new macros
to simplify mempool init and destroy
 2015-10-13 15:56:03 +02:00
Zdenek Kabelac
f9926e7e6c dmeventd: introduce macro for init 
Simplify commonly used pool creation.
 2015-10-13 15:56:03 +02:00
Zdenek Kabelac
09a8479cb7 cleanup: move system defines before structs 2015-10-13 15:22:58 +02:00
Zdenek Kabelac
0a633750f1 cleanup: avoid using private 
Switch private to user.
 2015-10-13 15:22:58 +02:00
Zdenek Kabelac
e261af52eb dmeventd: handle snapshot overflow 
When snapshot reports overflow, handle it in the same way as Invalid.
Until better ideas are implemented.
 2015-10-13 15:15:44 +02:00
Zdenek Kabelac
0e27210308 dmeventd: add more debug messages 2015-10-13 15:15:43 +02:00
Zdenek Kabelac
c90363b585 dmeventd: use log_ macros in plugins 
Convert from syslog to standard log_() macros in plugins.
 2015-10-13 15:09:03 +02:00
Zdenek Kabelac
915f0faac1 dmeventd: syslog -> log_xxxxx 
Convert logging of dmeventd to libdm logging macros.
 2015-10-13 14:43:30 +02:00
Zdenek Kabelac
2b9843c20b dmeventd: reorder mempool allocation 
Since lvm2_init() effectively detects memory leaks
allocate mempool after this initialization
(so it's not reported as leak).
 2015-09-03 23:34:36 +02:00
Zdenek Kabelac
bff3a1651d debug: use epoch for dmeventd logging 
When LVM_LOG_FILE_EPOCH is set, route lvm command debug message
to lvm.conf log file instead of syslog.
 2015-04-20 12:12:22 +02:00
Petr Rockai
eac4e1e939 dmeventd: Call lvscan --cache also for mirrors (in addition to RAID). 2015-01-14 18:05:44 +01:00