David Teigland beb229e1e8 devices: improve handling of duplicate PVs ... Example: /dev/loop0 and /dev/loop1 are duplicates, created by copying one backing file to the other. 'identity /dev/loopX' creates an identity mapping for loopX named idmloopX, which adds a duplicate for the named device. The duplicate selection code for lvmetad is incomplete, and lvmetad is disabled for this example. [~]# losetup -f loopfile0 [~]# pvs PV VG Fmt Attr PSize PFree /dev/loop0 foo lvm2 a-- 308.00m 296.00m [~]# losetup -f loopfile1 [~]# pvs Found duplicate PV LnSOEqzEYED3RvIOa5PZP2s7uyuBLmAV: using /dev/loop1 not /dev/loop0 Using duplicate PV /dev/loop1 which is more recent, replacing /dev/loop0 PV VG Fmt Attr PSize PFree /dev/loop1 foo lvm2 a-- 308.00m 308.00m [~]# ./identity /dev/loop0 [~]# pvs Found duplicate PV LnSOEqzEYED3RvIOa5PZP2s7uyuBLmAV: using /dev/loop1 not /dev/loop0 Using duplicate PV /dev/loop1 without holders, replacing /dev/loop0 Found duplicate PV LnSOEqzEYED3RvIOa5PZP2s7uyuBLmAV: using /dev/mapper/idmloop0 not /dev/loop1 Using duplicate PV /dev/mapper/idmloop0 from subsystem DM, replacing /dev/loop1 PV VG Fmt Attr PSize PFree /dev/mapper/idmloop0 foo lvm2 a-- 308.00m 296.00m [~]# ./identity /dev/loop1 [~]# pvs WARNING: duplicate PV LnSOEqzEYED3RvIOa5PZP2s7uyuBLmAV is being used from both devices /dev/loop0 and /dev/loop1 Found duplicate PV LnSOEqzEYED3RvIOa5PZP2s7uyuBLmAV: using /dev/loop1 not /dev/loop0 Using duplicate PV /dev/loop1 which is more recent, replacing /dev/loop0 Found duplicate PV LnSOEqzEYED3RvIOa5PZP2s7uyuBLmAV: using /dev/mapper/idmloop0 not /dev/loop1 Using duplicate PV /dev/mapper/idmloop0 from subsystem DM, replacing /dev/loop1 Found duplicate PV LnSOEqzEYED3RvIOa5PZP2s7uyuBLmAV: using /dev/mapper/idmloop1 not /dev/mapper/idmloop0 Using duplicate PV /dev/mapper/idmloop1 which is more recent, replacing /dev/mapper/idmloop0 PV VG Fmt Attr PSize PFree /dev/mapper/idmloop1 foo lvm2 a-- 308.00m 308.00m		2015-04-28 10:41:32 -05:00
..
activate	config: fix check_options array	2015-04-23 10:35:34 -05:00
cache	devices: improve handling of duplicate PVs	2015-04-28 10:41:32 -05:00
cache_segtype	cache: use writethrough cache_mode for older metadata	2015-01-29 12:05:58 +01:00
commands	systemid: Use correct mempool.	2015-03-18 23:25:30 +00:00
config	config: improve the description of options lists	2015-04-28 10:06:23 -05:00
datastruct	datastruct: Add str_list_add_list.	2015-03-26 18:30:37 +00:00
device	devices: improve handling of duplicate PVs	2015-04-28 10:41:32 -05:00
display	display: fix return values	2015-03-10 14:10:18 +01:00
error	segtype: drop cmdcontex pointer	2014-10-30 23:58:49 +01:00
filters	config: use timestamp with nanosecond precision	2015-03-18 13:42:56 +01:00
format1	cache: Store metadata size and checksum.	2015-03-18 23:43:02 +00:00
format_pool	cache: Store metadata size and checksum.	2015-03-18 23:43:02 +00:00
format_text	alloc: Respect cling_tag_list in contig alloc.	2015-04-11 01:55:24 +01:00
freeseg	segtype: drop cmdcontex pointer	2014-10-30 23:58:49 +01:00
label	cache: Store metadata size and checksum.	2015-03-18 23:43:02 +00:00
locking	locking: rename LCK_CONVERT	2014-11-18 16:50:49 +01:00
log	debug: change envvar	2015-04-20 19:18:56 +02:00
metadata	alloc: Respect cling_tag_list in contig alloc.	2015-04-11 01:55:24 +01:00
mirror	cmirror: Adjust region size to work around CPG msg limit to avoid hang.	2015-02-25 14:42:15 -06:00
misc	lvm-file: wrapper to read ctim from stat	2015-03-18 13:42:24 +01:00
mm	memory: disable check with valgrind pool build	2015-02-12 15:40:53 +01:00
properties	report: add separate fields for PV/VG/LV attributes	2014-07-04 15:40:17 +02:00
raid	segtype: add SEG_ONLY_EXCLUSIVE flag	2014-11-10 22:05:48 +01:00
replicator	cleanup: drop default implementation	2014-10-24 16:39:31 +02:00
report	cleanup: ancestors -> lv_ancestors, descendants -> lv_descendants	2015-04-24 14:19:28 +02:00
snapshot	segtype: add SEG_ONLY_EXCLUSIVE flag	2014-11-10 22:05:48 +01:00
striped	segtype: drop cmdcontex pointer	2014-10-30 23:58:49 +01:00
thin	cleanup: add lv_is_error_when_full() macro	2015-01-20 14:52:06 +01:00
unknown	segtype: drop cmdcontex pointer	2014-10-30 23:58:49 +01:00
uuid	cleanup: drop unused define	2014-03-12 19:12:34 +01:00
zero	cleanup: remove unused headers	2014-11-13 17:49:42 +01:00
Makefile.in	configure: Look for valgrind.h independently of VALGRIND_POOLS.	2015-02-05 13:50:34 +01:00