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From: agk@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 lib/misc/lvm-globals.h lib/config/default ... Date: Thu, 28 Apr 2011 17:33:00 -0000 [thread overview] Message-ID: <20110428173338.14524.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: agk@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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