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Require non-zero regionsize and document parameter on lvcreate man page.

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Alasdair Kergon 2006-04-28 13:11:05 +00:00
parent 6aa17fe8d2
commit 12ccdb25e4
4 changed files with 17 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.06 - Version 2.02.06 -
================================= =================================
Require non-zero regionsize and document parameter on lvcreate man page.
Invalidate cache if composition of VG changed externally. Invalidate cache if composition of VG changed externally.
Version 2.02.05 - 21st April 2006 Version 2.02.05 - 21st April 2006

5
man/lvcreate.8
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@ -13,6 +13,7 @@ lvcreate \- create a logical volume in an existing volume group
[\-M/\-\-persistent y/n] [\-\-minor minor] [\-M/\-\-persistent y/n] [\-\-minor minor]
[\-n/\-\-name LogicalVolumeName] [\-n/\-\-name LogicalVolumeName]
[\-p/\-\-permission r/rw] [\-r/\-\-readahead ReadAheadSectors] [\-p/\-\-permission r/rw] [\-r/\-\-readahead ReadAheadSectors]
[-R|--regionsize MirrorLogRegionSize]
[\-t/\-\-test] [\-t/\-\-test]
[\-v/\-\-verbose] [\-Z/\-\-zero y/n] [\-v/\-\-verbose] [\-Z/\-\-zero y/n]
VolumeGroupName [PhysicalVolumePath...] VolumeGroupName [PhysicalVolumePath...]
@ -91,6 +92,10 @@ Default is read and write.
Set read ahead sector count of this logical volume to a value between 2 and 120. Set read ahead sector count of this logical volume to a value between 2 and 120.
Ignored by device-mapper. Ignored by device-mapper.
.TP .TP
.I \-R \-\-regionsize MirrorLogRegionSize
A mirror is divided into regions of this size (in KB), and the mirror log
uses this granularity to track which regions are in sync.
.TP
.I \-s, \-\-snapshot .I \-s, \-\-snapshot
Create a snapshot logical volume (or snapshot) for an existing, so called Create a snapshot logical volume (or snapshot) for an existing, so called
original logical volume (or origin). original logical volume (or origin).

6
tools/lvconvert.c
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@ -184,6 +184,12 @@ static int _read_params(struct lvconvert_params *lp, struct cmd_context *cmd,
return 0; return 0;
} }
if (!lp->region_size) {
log_error("Non-zero region size must be supplied.");
return 0;
}
if (!(lp->segtype = get_segtype_from_string(cmd, "striped"))) if (!(lp->segtype = get_segtype_from_string(cmd, "striped")))
return_0; return_0;
} }

5
tools/lvcreate.c
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@ -258,6 +258,11 @@ static int _read_mirror_params(struct lvcreate_params *lp,
return 0; return 0;
} }
if (!lp->region_size) {
log_error("Non-zero region size must be supplied.");
return 0;
}
return 1; return 1;
} }