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Allow to specify only one disk. This is helpful when we want to extend

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our concatenated device later.

MFC after:	1 week
This commit is contained in:
Pawel Jakub Dawidek 2006-01-30 22:47:07 +00:00
parent 87e9d284dc
commit aaf8e1867b
3 changed files with 19 additions and 8 deletions
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15
sbin/geom/class/concat/gconcat.8
View File

@ -35,7 +35,7 @@
.Cm create
.Op Fl v
.Ar name
.Ar prov prov ...
.Ar prov ...
.Nm
.Cm destroy
.Op Fl fv
@ -44,7 +44,7 @@
.Cm label
.Op Fl hv
.Ar name
.Ar prov prov ...
.Ar prov ...
.Nm
.Cm stop
.Op Fl fv
@ -168,10 +168,21 @@ umount /mnt
gconcat stop data
gconcat unload
.Ed
.Pp
Configure concatenated provider on one disk only.
Create file system.
Add two more disks and extend existing file system.
.Bd -literal -offset indent
gconcat label data /dev/da0
newfs /dev/concat/data
gconcat label data /dev/da0 /dev/da1 /dev/da2
growfs /dev/concat/data
.Ed
.Sh SEE ALSO
.Xr geom 4 ,
.Xr loader.conf 5 ,
.Xr geom 8 ,
.Xr growfs 8 ,
.Xr mount 8 ,
.Xr newfs 8 ,
.Xr sysctl 8 ,

6
sbin/geom/class/concat/geom_concat.c
View File

@ -55,7 +55,7 @@ struct g_command class_commands[] = {
"[-v] prov ..."
},
{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL, G_NULL_OPTS,
"[-v] name prov prov ..."
"[-v] name prov ..."
},
{ "destroy", G_FLAG_VERBOSE, NULL,
{
@ -72,7 +72,7 @@ struct g_command class_commands[] = {
{ 'h', "hardcode", NULL, G_TYPE_NONE },
G_OPT_SENTINEL
},
"[-hv] name prov prov ..."
"[-hv] name prov ..."
},
{ "stop", G_FLAG_VERBOSE, NULL,
{
@ -118,7 +118,7 @@ concat_label(struct gctl_req *req)
int error, i, hardcode, nargs;
nargs = gctl_get_int(req, "nargs");
if (nargs <= 2) {
if (nargs < 2) {
gctl_error(req, "Too few arguments.");
return;
}

6
sys/geom/concat/g_concat.c
View File

@ -452,8 +452,8 @@ g_concat_create(struct g_class *mp, const struct g_concat_metadata *md,
G_CONCAT_DEBUG(1, "Creating device %s (id=%u).", md->md_name,
md->md_id);
/* Two disks is minimum. */
if (md->md_all <= 1)
/* One disks is minimum. */
if (md->md_all < 1)
return (NULL);
/* Check for duplicate unit */
@ -664,7 +664,7 @@ g_concat_ctl_create(struct gctl_req *req, struct g_class *mp)
gctl_error(req, "No '%s' argument.", "nargs");
return;
}
if (*nargs <= 2) {
if (*nargs < 2) {
gctl_error(req, "Too few arguments.");
return;
}