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Commit Graph

6394 Commits

Author SHA1 Message Date
Zdenek Kabelac
9aa24bd034 Thin no device is created - so nothing to revert here 2011-11-03 15:46:51 +00:00
Zdenek Kabelac
267a575768 Thin removing limitation on activation of pool device.
Since activation of pool is now independent on thin activation,
user may do whatever he needs - thought preferable thin should stay alive,
but it it will be found inactivate, update_pool will bring the pool up.
2011-11-03 14:59:20 +00:00
Zdenek Kabelac
466a8ebf9d Thin removing unused detach_pool_messages 2011-11-03 14:57:04 +00:00
Zdenek Kabelac
92384bfd0b Thin using update_pool_lv
Replace detach_pool_messages with update_pool_lv.
Move creation code from to 'if' condition into 1.
Ensure creation has finished all previous message operations.
2011-11-03 14:56:20 +00:00
Zdenek Kabelac
73b7bf961b Thin genering update_pool_lv function
Function to trigger pool message passing via resume,
or resize of the pool itself independently on other thins.
2011-11-03 14:53:58 +00:00
Zdenek Kabelac
a0c4e85c48 Add -tpool layer in activation tree
Let's put the overlay device over real thin pool device.
So we can get the proper locking on cluster.
Overwise the pool LV would be activate once implicitely
and in other case explicitely, confusing locking mechanism.
This patch make the activation of pool LV independent on
activation of thin LV since they will both implicitely use
real -thin pool device.
2011-11-03 14:52:09 +00:00
Zdenek Kabelac
2e732e9628 Thin api change for passing message into libdm
Avoid exposing another struct to the libdm user and
use only simple dm_tree_node_add_thin_pool_message with
2 overloaded uint64_t values.
2011-11-03 14:45:01 +00:00
Zdenek Kabelac
4d25c81bdd Thin api change for dm_tree_node_add_thin_target
A little code shuffling and adding support for
DM_THIN_ERROR_DEVICE_ID which might be eventually be used
for activation of thin which is going to be deleted.
For now we do not need it lvm.
2011-11-03 14:43:21 +00:00
Zdenek Kabelac
f8aee4460a Thin avoids need of having writable VG for activation 2011-11-03 14:41:18 +00:00
Zdenek Kabelac
dc964ab0d3 Thin uses _tdata instead of _tpool for data LV
Switch to different suffix and keep -tpool reserved for overlay device name.
2011-11-03 14:38:36 +00:00
Zdenek Kabelac
daa39a1f64 Thin clean using delete_id consitently 2011-11-03 14:37:23 +00:00
Zdenek Kabelac
1f5c98270d Thin code cleanup
Use iterate_items for list processing.
2011-11-03 14:36:40 +00:00
Peter Rajnoha
8626490ca7 Add "ExecReload" to dm-event.service for systemd to reload dmeventd properly.
Normally, restart simply means "stop and start" for systemd. However, if
we're installing new versions of the dmeventd binary/libdevmapper, we need
to restart dmeventd. This fails if we have some devices monitored - we need
to call "dmeventd -R" instead.

The "ExecReload" did not work quite well in some old versions of systemd,
systemd assumed that only the configuration is reloaded on "ExecReload",
not the whole binary itself so it lost track of dmeventd daemon (it lost new
dmeventd PID). This is fixed and seems to be working fine now with recent
versions of dmeventd.
2011-10-31 12:22:49 +00:00
Zdenek Kabelac
25de9addb6 Thin fix compile warns
Test for dm_snprintf < 0.
Add header for moved backup.
2011-10-30 22:52:08 +00:00
Zdenek Kabelac
8997872656 More updates for lvcreate manpage 2011-10-30 22:08:21 +00:00
Zdenek Kabelac
7654abc26f Thin creation without activation
All thins are created with the next activation and VG is updated
without messages. Only some basic commands works.
(i.e. lvcreate -an  -V10 -T mvg/pool)
There can be some combination to confuse this system.

This functionality for snapshots is going to be interesting.
2011-10-30 22:07:38 +00:00
Zdenek Kabelac
bbcd37e4b8 Thin segment transaction_id moved
Add a new node flag send_messages that is used to simplify
test when to call _node_send_messages().

Add call to _node_send_messages when pool is deeper in the tree.
2011-10-30 22:04:57 +00:00
Zdenek Kabelac
f0df05e1dd Cleanup unsuccessfully created thin LV
If something fails during creation of thin LV remove such LV
and deactivate in case it's been already tried to activate
(i.e. thin kernel driver fails for some reason.)
2011-10-30 22:02:18 +00:00
Zdenek Kabelac
96279ac1c0 Make detach_pool_message visible for tools
Move there also vg_write and vg_commit.
2011-10-30 22:01:39 +00:00
Zdenek Kabelac
f8d46bd256 Thin cleanups
Fix/cleanup several error messages.
Remove test for seg_is_thin which could never be true there.
Replace (1<<24) with predefined constant.
2011-10-30 22:00:57 +00:00
Zdenek Kabelac
ade2b9345f Cleanup for lvmetad passing uninit structure
Shown by clang analyzer.
2011-10-30 21:58:59 +00:00
Zdenek Kabelac
8009588314 Improve valgrind support when compiled with DEBUG_MEM 2011-10-28 20:37:31 +00:00
Zdenek Kabelac
070f717131 Continue with lvcreate man page update
Already in WHATS_NEW.
2011-10-28 20:36:05 +00:00
Zdenek Kabelac
5cc2f9a257 Avoid creation of /dev/vg/thinpool 2011-10-28 20:34:45 +00:00
Zdenek Kabelac
620ff9e967 Thin option documentation 2011-10-28 20:33:50 +00:00
Zdenek Kabelac
0968dfcd03 Thin support for stripe
Support stripe options to create thin data pool LV.

TODO: combine chunk size and stripe size.
2011-10-28 20:32:54 +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
Zdenek Kabelac
e5b12b305f Thin support for lvrename
Rename pool's metadata lv _tmeta together with pool and _tdata.
2011-10-28 20:29:32 +00:00
Zdenek Kabelac
ed32476c67 Thin works only with exclusive activation
Enforce exclusive activation with thin targets.
2011-10-28 20:29:06 +00:00
Zdenek Kabelac
a1d5aaf725 Thin pool activation change
To ensure we properly handle LV cluster locking - explicitely do
not allow to change the availability of the thin pool that is in use
for some thin LV.

As soon as the thin volume is created the only way to activate pool
is via implicit dependency.

Ignore thinpool open count for lv/vgchange operations.
2011-10-28 20:28:00 +00:00
Zdenek Kabelac
2721175d55 Thin output data_block_size via outsize
Use outsize to get nice size hint.
2011-10-28 20:25:08 +00:00
Zdenek Kabelac
2b71bcd0cb Improve lv_extend stack reporting
and some code cleanup with setting return value.
2011-10-28 20:23:24 +00:00
Zdenek Kabelac
c590a9cdbc Thin error messages clenaup and some indent 2011-10-28 20:19:26 +00:00
Zdenek Kabelac
dd3bb2bac3 Remove thin code from mirror/raid lv_extend 2011-10-28 20:18:32 +00:00
Zdenek Kabelac
2fa836e843 Extend virtual segment instead of adding new one
Before adding a new virtual segment to LV, check first whether
the last segment isn't already of the same type. In this case
extend last segment instead of creating the new one.

Thin volumes should have always only 1 virtual segment, but it
helps also to virtual snapshot or error segtype..
2011-10-28 20:17:55 +00:00
Zdenek Kabelac
bd4b840879 Add last_seg
Implement a function to return the last segment in a LV.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
2011-10-28 20:12:54 +00:00
Zdenek Kabelac
4ce43894d2 Trying to fix the retry logic
There should be no need for retry for our internal devices - it would be hinding
our own bug in the tree processing.
Update error messages to show also also device name.
No WHATS_NEW - in release fix.
2011-10-28 20:11:21 +00:00
Zdenek Kabelac
5a6ae6f5aa Fix core on buggy config file
Since fixed within unreleased version so no WHATS_NEW
2011-10-28 20:07:38 +00:00
Zdenek Kabelac
7ad1c43b48 Add find_config_tree_str_allow_empty
Add function to allow read of empty strings as valid arguments.
Add a warning message if string argument has ignored value.
2011-10-28 20:06:49 +00:00
Zdenek Kabelac
35d462dafc Update header comment 2011-10-28 20:04:17 +00:00
Jonathan Earl Brassow
e4eaed8136 Update lvconvert man page to describe '--type <segtype>' argument
Man page changes were not included when the ability to convert from
"mirror" -> "raid1" or "linear" -> "raid1" were made.
2011-10-25 13:24:23 +00:00
Jonathan Earl Brassow
682309e0b8 Disallow 'mirrored' log for cluster mirrors.
Git commit ID 0864378250 was meant to disallow
'mirrored' logs for cluster mirrors.  However, when add_mirror_log is used
to create the log (as is now the case when using 'lvcreate' or converting only
the log) the check is bypassed.

This patch adds the check to add_mirror_log.
2011-10-25 13:17:04 +00:00
Zdenek Kabelac
eafbdf3029 Don't print char type[8] as a plain string
pvck prints 'extra' character from the label since there is no '\0'
after the struct label entry and just uint64_t follows directly.
So avoid it by limiting 8 chars to be printed.

https://www.redhat.com/archives/lvm-devel/2011-January/msg00109.html

Signed-off-by: Paul Bolle <pebolle tiscali nl>
2011-10-24 10:24:39 +00:00
Zdenek Kabelac
faf7c493f8 Test with -F flag
grep need -F to check what we really want to test.
Add better test for existing device.

Currently this test DOES NOT work with real /dev handle via udev
since our tool does not see such device listet through udev.

FIXME: We might be able to see it at least through dmsetup table and
use for lvm.
2011-10-23 21:24:27 +00:00
Zdenek Kabelac
f2c56bc3b6 Drop mempool parameter from read functions
Use implicit vgmem pool.
2011-10-23 16:05:45 +00:00
Zdenek Kabelac
72ff89d279 Always use vg memory pool for allocated lv segment
Remove mem pool parameter from alloc_lv_segment()
Since we should always allocate LV segment from the vg mempool.
2011-10-23 16:02:01 +00:00
Zdenek Kabelac
c13f82579c Used device name instead of device path
Udev is tricky here - since with udev the node does not exists until
it resume happens.  So we need to resume devices via its name.
2011-10-23 15:43:10 +00:00
Zdenek Kabelac
cb8c101885 Do not make link in the real /dev
Skip trying to make link when real /dev dir is used for test.
2011-10-23 15:40:15 +00:00
Zdenek Kabelac
c6676c2e57 Expect failure with real /dev dir
As udev is for now incapable to create such devices
turn this test error into warning.
2011-10-23 15:39:08 +00:00
Zdenek Kabelac
fd6a1bfb74 Fix usage of DEBUG_ENFORCE_POOL_LOCKING with DEBUG_MEM
Since DEBUG_MEM is storing own extra structure within returned memory chunk,
glibc free must be used directly for posix_memaling() allocated block.
2011-10-23 15:38:02 +00:00