diff --git a/man/gnt-backup.sgml b/man/gnt-backup.sgml
index fec40912f722986ed49549ce234f68d753dd8db2..da01af2346d2bc4e5056959c38caf4f25742cfb2 100644
--- a/man/gnt-backup.sgml
+++ b/man/gnt-backup.sgml
@@ -151,10 +151,19 @@
</para>
<para>
- The minimum disk specification is therefore <userinput>--disk
- 0:size=20G</userinput>, and a three-disk instance can be
- specified as <userinput>--disk 0:size=20G --disk 1:size=4G
- --disk 2:size=100G</userinput>.
+ Alternatively, a single-disk instance can be created via the
+ <option>-s</option> option which takes a single argument,
+ the size of the disk. This is similar to the Ganeti 1.2
+ version (but will only create one disk).
+ </para>
+
+ <para>
+ The minimum disk specification is therefore
+ <userinput>--disk 0:size=20G</userinput> (or <userinput>-s
+ 20G</userinput> when using the <option>-s</option> option),
+ and a three-disk instance can be specified as
+ <userinput>--disk 0:size=20G --disk 1:size=4G --disk
+ 2:size=100G</userinput>.
</para>
<para>
diff --git a/man/gnt-instance.sgml b/man/gnt-instance.sgml
index c6c511c038e8b80e7a41ed25c58b8b2685886a6d..d50fb658a5efc6ea81c8c874b6ec00e3aa1508ea 100644
--- a/man/gnt-instance.sgml
+++ b/man/gnt-instance.sgml
@@ -65,7 +65,18 @@
<cmdsynopsis>
<command>add</command>
<sbr>
- <arg rep="repeat">--disk=<replaceable>N</replaceable>:size=<replaceable>VAL</replaceable><arg>,mode=<replaceable>ro|rw</replaceable></arg></arg>
+ <arg choice="req">-t<group choice="req">
+ <arg>diskless</arg>
+ <arg>file</arg>
+ <arg>plain</arg>
+ <arg>drbd</arg>
+ </group></arg>
+ <sbr>
+
+ <group choice="req">
+ <arg rep="repeat">--disk=<replaceable>N</replaceable>:size=<replaceable>VAL</replaceable><arg>,mode=<replaceable>ro|rw</replaceable></arg></arg>
+ <arg>-s <replaceable>SIZE</replaceable></arg>
+ </group>
<sbr>
<group>
<arg rep="repeat">--net=<replaceable>N</replaceable><arg rep="repeat">:options</arg></arg>
@@ -85,14 +96,6 @@
</group></arg>
<sbr>
- <arg choice="req">-t<group choice="req">
- <arg>diskless</arg>
- <arg>file</arg>
- <arg>plain</arg>
- <arg>drbd</arg>
- </group></arg>
- <sbr>
-
<group choice="req">
<arg>-n <replaceable>node<optional>:secondary-node</optional></replaceable></arg>
<arg>--iallocator <replaceable>name</replaceable></arg>
@@ -127,11 +130,20 @@
these suffixes map to mebibytes, gibibytes and tebibytes.
</para>
+ <para>
+ Alternatively, a single-disk instance can be created via the
+ <option>-s</option> option which takes a single argument,
+ the size of the disk. This is similar to the Ganeti 1.2
+ version (but will only create one disk).
+ </para>
+
<para>
The minimum disk specification is therefore
- <userinput>--disk 0:size=20G</userinput>, and a three-disk
- instance can be specified as <userinput>--disk 0:size=20G
- --disk 1:size=4G --disk 2:size=100G</userinput>.
+ <userinput>--disk 0:size=20G</userinput> (or <userinput>-s
+ 20G</userinput> when using the <option>-s</option> option),
+ and a three-disk instance can be specified as
+ <userinput>--disk 0:size=20G --disk 1:size=4G --disk
+ 2:size=100G</userinput>.
</para>
<para>
diff --git a/scripts/gnt-backup b/scripts/gnt-backup
index 774e69608bd7ce93f3282b54f18aee5a6bf050e0..c6ef4c971327fac633f659c9b42492031160546e 100755
--- a/scripts/gnt-backup
+++ b/scripts/gnt-backup
@@ -113,13 +113,18 @@ def ImportInstance(opts, args):
nics = [{}]
if opts.disk_template == constants.DT_DISKLESS:
- if opts.disks:
+ if opts.disks or opts.sd_size is not None:
raise errors.OpPrereqError("Diskless instance but disk"
" information passed")
disks = []
else:
- if not opts.disks:
+ if not opts.disks and not opts.sd_size:
raise errors.OpPrereqError("No disk information specified")
+ if opts.disks and opts.sd_size is not None:
+ raise errors.OpPrereqError("Please use either the '--disk' or"
+ " '-s' option")
+ if opts.sd_size is not None:
+ opts.disks = [(0, {"size": opts.sd_size})]
try:
disk_max = max(int(didx[0])+1 for didx in opts.disks)
except ValueError, err:
@@ -137,7 +142,7 @@ def ImportInstance(opts, args):
disks[didx] = ddict
utils.ForceDictType(opts.beparams, constants.BES_PARAMETER_TYPES)
- utils.ForceDictType(opts.hvparams, constants.HVS_PARAMETER_TYPES)
+ utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES)
op = opcodes.OpCreateInstance(instance_name=instance,
disk_template=opts.disk_template,
@@ -194,6 +199,10 @@ import_opts = [
default=[], dest="disks",
action="append",
type="identkeyval"),
+ cli_option("-s", "--os-size", dest="sd_size", help="Disk size for a"
+ " single-disk configuration, when not using the --disk option,"
+ " in MiB unless a suffix is used",
+ default=None, type="unit", metavar="<size>"),
ikv_option("--net", help="NIC information",
default=[], dest="nics",
action="append",
diff --git a/scripts/gnt-instance b/scripts/gnt-instance
index a5c30c8b795d8559862d9894a4ac3444a93a975b..fd8a455fef4f8268231deb73a8ecf4350a64b5b2 100755
--- a/scripts/gnt-instance
+++ b/scripts/gnt-instance
@@ -332,13 +332,18 @@ def AddInstance(opts, args):
nics = [{}]
if opts.disk_template == constants.DT_DISKLESS:
- if opts.disks:
+ if opts.disks or opts.sd_size is not None:
raise errors.OpPrereqError("Diskless instance but disk"
" information passed")
disks = []
else:
- if not opts.disks:
+ if not opts.disks and not opts.sd_size:
raise errors.OpPrereqError("No disk information specified")
+ if opts.disks and opts.sd_size is not None:
+ raise errors.OpPrereqError("Please use either the '--disk' or"
+ " '-s' option")
+ if opts.sd_size is not None:
+ opts.disks = [(0, {"size": opts.sd_size})]
try:
disk_max = max(int(didx[0])+1 for didx in opts.disks)
except ValueError, err:
@@ -1276,6 +1281,10 @@ add_opts = [
make_option("-t", "--disk-template", dest="disk_template",
help="Custom disk setup (diskless, file, plain or drbd)",
default=None, metavar="TEMPL"),
+ cli_option("-s", "--os-size", dest="sd_size", help="Disk size for a"
+ " single-disk configuration, when not using the --disk option,"
+ " in MiB unless a suffix is used",
+ default=None, type="unit", metavar="<size>"),
ikv_option("--disk", help="Disk information",
default=[], dest="disks",
action="append",