[lvm-devel] LVM2 lib/misc/lvm-globals.h lib/config/default ...
agk at sourceware.org
agk at sourceware.org
Thu Apr 28 17:33:38 UTC 2011
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: agk at sourceware.org 2011-04-28 17:33:35
Modified files:
lib/misc : lvm-globals.h
lib/config : defaults.h
lib/commands : toolcontext.c
doc : example.conf.in
Log message:
Set pv_min_size to 2048KB to exclude floppy drives.
Previously was 512.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/misc/lvm-globals.h.diff?cvsroot=lvm2&r1=1.10&r2=1.11
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/config/defaults.h.diff?cvsroot=lvm2&r1=1.74&r2=1.75
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/commands/toolcontext.c.diff?cvsroot=lvm2&r1=1.116&r2=1.117
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/doc/example.conf.in.diff?cvsroot=lvm2&r1=1.24&r2=1.25
--- LVM2/lib/misc/lvm-globals.h 2011/04/22 12:05:33 1.10
+++ LVM2/lib/misc/lvm-globals.h 2011/04/28 17:33:34 1.11
@@ -18,7 +18,6 @@
#define VERBOSE_BASE_LEVEL _LOG_WARN
#define SECURITY_LEVEL 0
-#define DEFAULT_PV_MIN_SIZE_KB 512 /* 512 KB */
void init_verbose(int level);
void init_test(int level);
--- LVM2/lib/config/defaults.h 2011/04/22 12:05:32 1.74
+++ LVM2/lib/config/defaults.h 2011/04/28 17:33:35 1.75
@@ -39,6 +39,7 @@
#define DEFAULT_DATA_ALIGNMENT_OFFSET_DETECTION 1
#define DEFAULT_DATA_ALIGNMENT_DETECTION 1
#define DEFAULT_ISSUE_DISCARDS 0
+#define DEFAULT_PV_MIN_SIZE_KB 2048
#define DEFAULT_LOCKING_LIB "liblvm2clusterlock.so"
#define DEFAULT_FALLBACK_TO_LOCAL_LOCKING 1
--- LVM2/lib/commands/toolcontext.c 2011/04/22 12:05:32 1.116
+++ LVM2/lib/commands/toolcontext.c 2011/04/28 17:33:35 1.117
@@ -325,7 +325,7 @@
pv_min_kb, DEFAULT_PV_MIN_SIZE_KB);
pv_min_kb = DEFAULT_PV_MIN_SIZE_KB;
}
- /* lvm internally works with device size in 512b sectors */
+ /* LVM stores sizes internally in units of 512-byte sectors. */
init_pv_min_size((uint64_t)pv_min_kb * (1024 >> SECTOR_SHIFT));
return 1;
--- LVM2/doc/example.conf.in 2011/04/26 09:09:24 1.24
+++ LVM2/doc/example.conf.in 2011/04/28 17:33:35 1.25
@@ -6,6 +6,9 @@
#
# To put this file in a different directory and override @DEFAULT_SYS_DIR@ set
# the environment variable LVM_SYSTEM_DIR before running the tools.
+#
+# N.B. Take care that each setting only appears once if uncommenting
+# example settings in this file.
# This section allows you to configure which block devices should
@@ -155,12 +158,15 @@
# Allow use of pvcreate --uuid without requiring --restorefile.
require_restorefile_with_uuid = 1
- # Minimal size (in KB) of the block device which can be used as a PV.
- # In clustered environment all nodes have to use the same value.
+ # Minimum size (in KB) of block devices which can be used as PVs.
+ # In a clustered environment all nodes must use the same value.
# Any value smaller than 512KB is ignored.
- # Example: Ignore devices smaller than 2MB (i.e. floppy drives).
- # pv_min_size = 2048
- pv_min_size = 512
+
+ # Ignore devices smaller than 2MB such as floppy drives.
+ pv_min_size = 2048
+
+ # The original built-in setting was 512 up to and including version 2.02.84.
+ # pv_min_size = 512
# Issue discards to a logical volumes's underlying physical volume(s) when
# the logical volume is no longer using the physical volumes' space (e.g.
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