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A previous commit (b6bfddcd0a) which
was designed to prevent segfaults during lvextend when trying to
extend striped logical volumes forgot to include calculations for
RAID4/5/6 parity devices. This was causing the 'contiguous' and
'cling_by_tags' allocation policies to fail for RAID 4/5/6.
The solution is to remember that while we can compare
ah->area_count == prev_lvseg->area_count
for non-RAID, we should compare
(ah->area_count + ah->parity_count) == prev_lvseg->area_count
for a general solution.
lvmetad is not yet supported in clustered environment so
disable it automatically if using lvmconf --enable-cluster
and reset it to default value if using lvmconf --disable-cluster.
Also, add a few comments in lvm.conf about locking_type vs. use_lvmetad
if setting it for clustered environment.
The corosync cluster interface for clvmd did not correctly
deal with node up/down events so that when a node was removed
from the cluster clvmd would prevent remote operations
from happening, as it thought the node was up but not
running clvmd.
This patch fixes that code by simplifying the case to node
being up or down - which was the original intention
and is supported by pacemaker and CPG in the higher layers.
Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>
When NULL info struct is passed in - function is usable
as a quick query for lv_is_active_locally() - with a bonus
we may query for layered device.
So it could be seen as a more efficient lv_is_active_locally().
A know issue with kmem_cach is causing failures while testing
RAID 4/5/6 device replacement. Blacklist the offending kernel
so that these tests are not performed there.
Add internal devtypes reporting command to display built-in recognised
block device types. (The output does not include any additional
types added by a configuration file.)
> lvm devtypes -o help
Device Types Fields
-------------------
devtype_all - All fields in this section.
devtype_name - Name of Device Type exactly as it appears in /proc/devices.
devtype_max_partitions - Maximum number of partitions. (How many device minor numbers get reserved for each device.)
devtype_description - Description of Device Type.
> lvm devtypes
DevType MaxParts Description
aoe 16 ATA over Ethernet
ataraid 16 ATA Raid
bcache 1 bcache block device cache
blkext 1 Extended device partitions
...
The traditional style used for optional editable definitions
/* #define X /* */
produces a bogus warning from gcc -Wall.
Rather than suppressing this with -Wno-comment, switch over to
the // comment style.
Since our current vgcfgbackup/restore doesn't deal
with difference of active volumes between current and
restored set of volumes - run test with inactive LVs.
The lvm2-activation-net.service was ordered only with respect to iscsi
and fcoe service before. In addition to that, we also need ordering
with respect to lvm2-activation.service to prevent parallel vgchange -aay
runs which may cause some problems during activation.
See also https://bugs.gentoo.org/show_bug.cgi?id=480066.
With this patch, the ordering is firmly set to:
lvm2-activation-early.service -> lvm2-activation.service -> lvm2-activation-net.service
Thanks to Alexander Tsoy for the original patch (modified a bit here):
https://www.redhat.com/archives/lvm-devel/2013-September/msg00049.html
Rewrite check lv_on and add new lv_tree_on
Move more pvmove test unrelated code out to check & get sections
(so they do not obfuscate trace output unnecesserily)
Use new lv_tree_on()
NOTE: unsure how the snapshot origin should be accounted here.
Split pmove-all-segments into separate tests for raid and thins
(so the test output properly shows what has been skipped in test)
