From: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
To: lvm-devel@redhat.com
Subject: [PATCH] Add verbose log messages for LV stacking
Date: Thu, 17 Jan 2008 12:56:26 -0500 [thread overview]
Message-ID: <478F96CA.6020908@ce.jp.nec.com> (raw)
Adding verbose log message for '-vvvv'.
Examples:
When adding a temporary layer for mirror resync:
...
#metadata/lv_manip.c:1861 Creating logical volume lvol1_mimagetmp_2
#metadata/lv_manip.c:2409 Inserting layer lvol1_mimagetmp_2 for lvol1
#metadata/lv_manip.c:346 Stack lvol1:0[0] on LV lvol1_mimagetmp_2:0
#metadata/lv_manip.c:46 Adding lvol1:0 as an user of lvol1_mimagetmp_2
..
#metadata/lv_manip.c:266 Remove lvol1:0[0] from the top of LV lvol1_mimage
tmp_2:0
#metadata/lv_manip.c:72 lvol1:0 is no longer a user of lvol1_mimagetmp_2
#metadata/lv_manip.c:346 Stack lvol1:0[0] on LV lvol1_mimagetmp_2:0
#metadata/lv_manip.c:46 Adding lvol1:0 as an user of lvol1_mimagetmp_2
#metadata/lv_manip.c:346 Stack lvol1:0[1] on LV lvol1_mimage_2:0
#metadata/lv_manip.c:46 Adding lvol1:0 as an user of lvol1_mimage_2
..
Then, removing the temporary layer:
#metadata/mirror.c:456 Reducing mirror set from 2 to 1 image(s) and no log volume.
#metadata/lv_manip.c:266 Remove lvol1:0[1] from the top of LV lvol1_mimage_2:0
#metadata/lv_manip.c:72 lvol1:0 is no longer a user of lvol1_mimage_2
#metadata/lv_manip.c:2336 Removing layer lvol1_mimagetmp_2 for lvol1
#metadata/lv_manip.c:346 Stack lvol1:0[2] on LV lvol1_mimage_2:0
#metadata/lv_manip.c:46 Adding lvol1:0 as an user of lvol1_mimage_2
...
Thanks,
--
Jun'ichi Nomura, NEC Corporation of America
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