1
0
mirror of git://sourceware.org/git/lvm2.git synced 2024-12-21 13:34:40 +03:00
Commit Graph

184 Commits

Author SHA1 Message Date
Peter Rajnoha
3ec4813ba2 coverity: fix missing initialization
... Using uninitialized value "lockd_state" when calling "lockd_vg"
(even though lockd_vg assigns 0 to the lockd_state, but it looks at
previous state of lockd_state just before that so we need to have
that properly initialized!)

libdm/libdm-report.c:2934: uninit_use_in_call: Using uninitialized value "tm". Field "tm.tm_gmtoff" is uninitialized when calling "_get_final_time".

daemons/lvmlockd/lvmlockctl.c:273: uninit_use_in_call: Using uninitialized element of array "r_name" when calling "format_info_r_action". (just added FIXME as this looks unfinished?)
2015-07-08 14:53:30 +02:00
David Teigland
fe70b03de2 Add lvmlockd 2015-07-02 15:42:26 -05:00
Zdenek Kabelac
0ba5571bab cleanup: use logical_volume* directly 2014-11-03 14:19:34 +01:00
Zdenek Kabelac
f3e9ff7179 cleanup: drop unused variable 2014-09-28 13:49:01 +02:00
Alasdair G Kergon
7c6526aae2 lvresize: separate validation from action
Start separating the validation from the action in the basic lvresize
code moved to the library.
Remove incorrect use of command line error codes from lvresize library
functions.  Move errors.h to tools directory to reinforce this,
exporting public versions of the error codes in lvm2cmd.h for dmeventd
plugins to use.
2013-07-06 03:28:21 +01:00
Tony Asleson
c43ce46ba7 lvm2app: Move core lv re-size code (v6)
Moved to allow use from command line and for library use.

v3,v4,v5,v6: rebase changes

Signed-off-by: Tony Asleson <tasleson@redhat.com>
2013-07-02 14:24:33 -05:00
Tony Asleson
9d550cfc36 lvm2app: Rework argument handling for lv resize
Extend the lv resize parameter structure to contain everything
the re-size functions need so that the command line does not
need to be present for lower level calls when we call from
library functions.

Signed-off-by: Tony Asleson <tasleson@redhat.com>
2013-07-02 14:24:33 -05:00
Peter Rajnoha
24a84549a8 thin: make selected thinp settings profilable
These settins are customizable by profiles:

	allocation/thin_pool_zero
	allocation/thin_pool_discards
	allocation/thin_pool_chunk_size
	activation/thin_pool_autoextend_threshold
	activation/thin_pool_autoextend_percent
2013-07-02 15:22:11 +02:00
Peter Rajnoha
50bf2c0db1 config: add profile arg to find_config_tree_int 2013-07-02 15:19:09 +02:00
Zdenek Kabelac
b90450b8a0 cleanup: introduce return_ECMD_FAILED macro
Use shortening macro for common code sequence
stack;
return ECMD_FAILED;
2013-07-01 23:10:33 +02:00
Zdenek Kabelac
bb70b38021 lvresize: improve poolmetadatasize
Fix the usecase when only PV list is specified.
With --poolmetadatasize PV list is used for metadata extents.
Without --poolmetadatasize PV list is used for 100% extension of LV.
Handle the case, when nothing could be resized (i.e. in dmeventd)
2013-06-11 19:46:42 +02:00
Zdenek Kabelac
6ff8b6d754 lvresize: fix pvh handling
Fix bug in previous patch - if only PVs are specified -
it's like if user would have specified size.
2013-06-11 14:55:32 +02:00
Zdenek Kabelac
c888c925b8 thin: enable resize for thin pool metadata LV
Support 'clasic' way of resizing of metadata LV.
Normally we disallow to work with internal 'invisible' devices.
But in this case we can make an exception and if user has some
special needs how to extend thin pool metadata LV - support it.

After resize of metadata LV, the pool will be suspended and resumed,
to be notified of this change.
2013-06-11 14:07:51 +02:00
Zdenek Kabelac
87aca628d6 thin: lvresize supports pool metadata resize
Add support for lvresize of thin pool metadata device.

lvresize --poolmetadatasize +20   vgname/thinpool_lv

or

lvresize -L +20 vgname/thinpool_lv_tmeta

Where the second one allows all the args for resize (striping...)
and the first option resizes accoding to the last metadata lv segment.
2013-06-11 14:05:20 +02:00
Zdenek Kabelac
272f5ae208 snapshots: check for active state
Fix testing if the snapshot could be resized and use lv_is_active()
to get correct answer in cluster.
2013-06-11 13:57:18 +02:00
Zdenek Kabelac
1cdb6ca2b2 cleanup: skip test if already tested for SIGN_PLUS 2013-06-11 13:55:26 +02:00
Zdenek Kabelac
d0def236d6 cleanup: move lv assignment
Use shorter  lv->.
2013-06-11 13:55:26 +02:00
Zdenek Kabelac
b08c346489 lvresize: drop monitoring of 100% covered origin 2013-05-30 17:35:23 +02:00
Zdenek Kabelac
3ced1bf694 lvresize: check for max snapshot size
As for lvcreate, lvresize also doesn't need to grow bigger then needed.
2013-05-30 17:35:23 +02:00
Zdenek Kabelac
56779c32c5 snapshot: fix resize of 100% full cow
When the COW area is using all the available space (100%) it can be still
a valid snapshot which may need a resize. So support it.
2013-05-30 17:26:20 +02:00
Zdenek Kabelac
58a2e5e2df cleanup: use last_seg
Use function to obtain last segment type.
2013-05-27 10:28:32 +02:00
Peter Rajnoha
386886f71c config: refer to config nodes using assigned IDs
For example, the old call and reference:

  find_config_tree_str(cmd, "devices/dir", DEFAULT_DEV_DIR)

...now becomes:

  find_config_tree_str(cmd, devices_dir_CFG)

So we're referring to the named configuration ID instead
of passing the configuration path and the default value
is taken from central config definition in config_settings.h
automatically.
2013-03-06 10:14:33 +01:00
Zdenek Kabelac
386f3d5a5e thin: external origin cannot be changed
Do not allow conversion of external origin into writeable LV,
and prohibit changing the external origin size.

If the snapshot origin is also external origin, merge is prohibited.
2013-02-23 10:37:01 +01:00
Zdenek Kabelac
16060b101b thin: lvextend will fail is autoextend is 0%
Since extending by 0% will not increase the size of pool,
return failure.
2012-10-14 23:17:30 +02:00
Jonathan Brassow
c3eb3a7687 cleanup: Use segtype->ops->name() instead of segtype->name where applicable
When printing a message for the user and the lv_segment pointer is available,
use segtype->ops->name() instead of segtype->name.  This gives a better
user-readable name for the segment.  This is especially true for the
'striped' segment type, which prints "linear" if there is an area_count of
one.
2012-09-05 11:35:54 -05:00
Alasdair G Kergon
438e0050df config: add silent mode
Accept -q as the short form of --quiet.
Suppress non-essential standard output if -q is given twice.
Treat log/silent in lvm.conf as equivalent to -qq.
Review all log_print messages and change some to
log_print_unless_silent.

When silent, the following commands still produce output:
dumpconfig, lvdisplay, lvmdiskscan, lvs, pvck, pvdisplay,
pvs, version, vgcfgrestore -l, vgdisplay, vgs.
[Needs checking.]

Non-essential messages are shifted from log level 4 to log level 5
for syslog and lvm2_log_fn purposes.
2012-08-25 20:35:48 +01:00
Jonathan Brassow
4047e4dfb1 RAID: Add support for RAID10
This patch adds support for RAID10.  It is not the default at this
stage.  The user needs to specify '--type raid10' if they would like
RAID10 instead of stacked mirror over stripe.
2012-08-24 15:34:19 -05:00
Jonathan Brassow
8767435ef8 RAID: Fix extending size of RAID 4/5/6 logical volumes.
Reducing a RAID 4/5/6 LV or extending it with a different number of
stripes is still not implemented.  This patch covers the "simple" case
where the LV is extended with the same number of stripes as the orginal.
2012-06-26 09:44:54 -05:00
Zdenek Kabelac
ba222c6e35 cleanup: use struct initializers instead of memset
No need to call memset if we the language can do that.
2012-06-20 14:47:54 +02:00
Alasdair Kergon
e38e9e588e Remove 'up' from rounding message that sometimes rounds down.
Detect reduction of 0 after rounding for stripes and avoid warning of potential data loss.
2012-04-12 15:11:21 +00:00
Zdenek Kabelac
5dc27b75eb Fix lvresize for thin pool
When resizing thin pool - we need to use strip info from  _tdata volume.
In future more generic solution will be necessary once we start to support
lvconvert (resize of stacked devices and stay properly aligned).
For now we just allow striped or linear LV so this code will work.
2012-04-11 12:40:03 +00:00
Zdenek Kabelac
6fc1f948c2 Lvresize rounds upward
When given lvresize new size - round upward for stripes - unless we use % and
we are at the border of free extents.

This patch is not a complete fix and few more cases will need special care.
2012-04-11 12:36:37 +00:00
Zdenek Kabelac
9bdff1ee5c Move check for min strip size
and remove few asigns that are not needed.
2012-04-11 12:30:48 +00:00
Zdenek Kabelac
aeaec150c0 Some more missing supposedly 64bit operations.
Avoid use 32bit math for extent_size.
2012-03-05 15:05:24 +00:00
Zdenek Kabelac
fbf6b89a84 Using enum types for enums
alloc_policy_t, dm_string_mangling_t, percent_range_t, sign_t
2012-02-28 14:24:57 +00:00
Zdenek Kabelac
cd4c26a27f Set status for error path
Do not leave status unitialized, since in some cases, it's tested,
when the function returns error.
2012-02-08 10:56:17 +00:00
Zdenek Kabelac
6336898318 Thin updated support for thin pool percent
Support to check also for metadata percent
(By checking whether seg pointer is set)
2012-01-19 15:25:37 +00:00
Zdenek Kabelac
7afa7b079c Check for error code in _adjust_policy_params
If error is detected in _adjust_policy_params, break further command processing.
2012-01-09 12:31:52 +00:00
Zdenek Kabelac
4fbde0143a Support rounding of percentage upward
We want to keep this logic -
when LV is extend - extend the LV by at least given amount,
when LV is reduced - reduce the LV by at most given amount.

So for this the rounding needs to be used.
Current logic which seems to satisfy give rule is to round up all
extent values for LV resize upward except for values with '-' sign
that are round downward.

This patch also fixes the problem when  lvextend --use-polices tried
to extend LV the by i.e. 20% - but the resulting 20% were smaller
the extent size thus before this patch no extension happened.
2012-01-05 15:38:18 +00:00
Zdenek Kabelac
0e0f706f2e Thin automatic policy based extension 2011-12-21 13:10:52 +00:00
Jonathan Earl Brassow
d34991ed97 Don't allow size change of RAID LV that is tracking changes for a split image
Don't allow size change of RAID sub-LVs independently
2011-12-01 00:13:16 +00:00
Zdenek Kabelac
6b58c79603 Thin ensure pool table is update after resize
Always make sure table gets reloaded.
For now activate and deactivate pool volume if it's not active.

FIXME: we could do this only if we are sure some thin volume is alive.
2011-11-08 12:19:53 +00:00
Zdenek Kabelac
87371d48cc Thin revert code for exclusive pool activation
There are no limits on thin-pool activation now.
Revert code that is no longer needed.
2011-11-07 10:58:13 +00:00
Zdenek Kabelac
4079a8f298 Avoid lvextend to overflow
Add extra check to extent_count overflow.
Use internal define MAX_EXTENT_COUNT instead UINT32_MAX.
2011-11-04 22:49:53 +00:00
Zdenek Kabelac
daa10ad0fd Thin pool resize support for data LV
Support for extension of pool data LV.

TODO: figure out thin volume for suspend/resume in cluster.
2011-10-28 20:31:01 +00:00
Jonathan Earl Brassow
a80192b6a7 Allow 'nosync' extension of mirrors.
This patch allows a mirror to be extended without an initial resync of the
extended portion.  It compliments the existing '--nosync' option to lvcreate.
This action can be done implicitly if the mirror was created with the '--nosync'
option, or explicitly if the '--nosync' option is used when extending the device.

Here are the operational criteria:
1) A mirror created with '--nosync' should extend with 'nosync' implicitly
[EXAMPLE]# lvs vg; lvextend -L +5G vg/lv ; lvs vg
  LV   VG   Attr     LSize Pool Origin Snap%  Move Log     Copy%  Convert
  lv   vg   Mwi-a-m- 5.00g                         lv_mlog 100.00
  Extending 2 mirror images.
  Extending logical volume lv to 10.00 GiB
  Logical volume lv successfully resized
  LV   VG   Attr     LSize  Pool Origin Snap%  Move Log     Copy%  Convert
  lv   vg   Mwi-a-m- 10.00g                         lv_mlog 100.00

2) The 'M' attribute ('M' signifies a mirror created with '--nosync', while 'm'
signifies a mirror created w/o '--nosync') must be preserved when extending a
mirror created with '--nosync'.  See #1 for example of 'M' attribute.

3) A mirror created without '--nosync' should extend with 'nosync' only when
'--nosync' is explicitly used when extending.
[EXAMPLE]# lvs vg; lvextend -L +5G vg/lv; lvs vg
  LV   VG   Attr     LSize  Pool Origin Snap%  Move Log     Copy%  Convert
  lv   vg   mwi-a-m- 20.00m                         lv_mlog 100.00
  Extending 2 mirror images.
  Extending logical volume lv to 5.02 GiB
  Logical volume lv successfully resized
  LV   VG   Attr     LSize Pool Origin Snap%  Move Log     Copy%  Convert
  lv   vg   mwi-a-m- 5.02g                         lv_mlog   0.39
vs.
[EXAMPLE]# lvs vg; lvextend -L +5G vg/lv --nosync; lvs vg
  LV   VG   Attr     LSize  Pool Origin Snap%  Move Log     Copy%  Convert
  lv   vg   mwi-a-m- 20.00m                         lv_mlog 100.00
  Extending 2 mirror images.
  Extending logical volume lv to 5.02 GiB
  Logical volume lv successfully resized
  LV   VG   Attr     LSize Pool Origin Snap%  Move Log     Copy%  Convert
  lv   vg   Mwi-a-m- 5.02g                         lv_mlog 100.00

4) The 'm' attribute must change to 'M' when extending a mirror created without
'--nosync' is extended with the '--nosync' option.  (See #3 examples above.)

5) An inactive mirror's sync percent cannot be determined definitively, so it
must not be allowed to skip resync.  Instead, the extend should ask the user if
they want to extend while performing a resync.
[EXAMPLE]# lvchange -an vg/lv
[EXAMPLE]# lvextend -L +5G vg/lv
  Extending 2 mirror images.
  Extending logical volume lv to 10.00 GiB
  vg/lv is not active.  Unable to get sync percent.
Do full resync of extended portion of vg/lv?  [y/n]: y
  Logical volume lv successfully resized

6) A mirror that is performing recovery (as opposed to an initial sync) - like
after a failure - is not allowed to extend with either an implicit or
explicit nosync option.  [You can simulate this with a 'corelog' mirror because
when it is reactivated, it must be recovered every time.]
[EXAMPLE]# lvcreate -m1 -L 5G -n lv vg --nosync --corelog
  WARNING: New mirror won't be synchronised. Don't read what you didn't write!
  Logical volume "lv" created
[EXAMPLE]# lvs vg
  LV   VG   Attr     LSize Pool Origin Snap%  Move Log Copy%  Convert
  lv   vg   Mwi-a-m- 5.00g                             100.00
[EXAMPLE]# lvchange -an vg/lv; lvchange -ay vg/lv; lvs vg
  LV   VG   Attr     LSize Pool Origin Snap%  Move Log Copy%  Convert
  lv   vg   Mwi-a-m- 5.00g                               0.08
[EXAMPLE]# lvextend -L +5G vg/lv
  Extending 2 mirror images.
  Extending logical volume lv to 10.00 GiB
  vg/lv cannot be extended while it is recovering.

7) If 'no' is selected in #5 or if the condition in #6 is hit, it should not
result in the mirror being resized or the 'm/M' attribute being changed.


NOTE:  A mirror created with '--nosync' behaves differently than one created
without it when performing an extension.  The former cannot be extended when
the mirror is recovering (unless in-active), while the latter can.  This is
a reasonable thing to do since recovery of a mirror doesn't take long (at
least in the case of an on-disk log) and it would cause far more time in
degraded mode if the extension w/o '--nosync' was allowed.  It might be
reasonable to add the ability to force the operation in the future.  This
should /not/ force a nosync extension, but rather force a sync'ed extension.
IOW, the user would be saying, "Yes, yes... I know recovery won't take long
and that I'll be adding significantly to the time spent in degraded mode, but
I need the extra space right now!".
2011-10-06 15:32:26 +00:00
Zdenek Kabelac
da1350d420 Add missing log_error() to lvresize command when fsadm tool fails
Also add test case
2011-09-21 10:39:47 +00:00
Petr Rockai
44dfb51f2a When resizing LVs, always round in the safe direction, regardless of whether we
were called as lvresize or lvreduce.
2011-09-15 18:51:11 +00:00
Milan Broz
b18e1fd50e Fix possible overflow of size if %FREE or %VG is used.
https://bugzilla.redhat.com/show_bug.cgi?id=737087
2011-09-15 15:26:40 +00:00
Alasdair Kergon
9ac61d2ba2 lvcreate parsing for thin provisioning.
The rest is incomplete so this isn't usable yet.
2011-09-06 00:26:42 +00:00