Create VGs with metadata size of 128MiB.

Scott Moser · smoser · commit ea0568ac4d58 · 2020-10-15T11:00:33.000-04:00
The default metadata size (vg_mda_size) is 4MiB.
We have had experience where this is limiting.  So just bump
the size to 128MiB.
diff --git a/linux/lvm.go b/linux/lvm.go
@@ -201,7 +201,11 @@ func (ls *linuxLVM) HasPV(name string) bool {
 }
 
 func (ls *linuxLVM) CreateVG(name string, pvs ...disko.PV) (disko.VG, error) {
-	cmd := []string{"lvm", "vgcreate", "--zero=y", name}
+	mdSize := 128 * disko.Mebibyte // nolint:gomnd
+	cmd := []string{"lvm", "vgcreate",
+		fmt.Sprintf("--metadatasize=%dB", mdSize),
+		"--zero=y", name}
+
 	for _, p := range pvs {
 		cmd = append(cmd, p.Path)
 	}

Original file line number	Diff line number	Diff line change
`@@ -201,7 +201,11 @@ func (ls *linuxLVM) HasPV(name string) bool {`
`201`	`201`	`}`
`202`	`202`
`203`	`203`	`func (ls *linuxLVM) CreateVG(name string, pvs ...disko.PV) (disko.VG, error) {`
`204`		`- cmd := []string{"lvm", "vgcreate", "--zero=y", name}`
	`204`	`+ mdSize := 128 * disko.Mebibyte // nolint:gomnd`
	`205`	`+ cmd := []string{"lvm", "vgcreate",`
	`206`	`+ fmt.Sprintf("--metadatasize=%dB", mdSize),`
	`207`	`+ "--zero=y", name}`
	`208`	`+`
`205`	`209`	`for _, p := range pvs {`
`206`	`210`	`cmd = append(cmd, p.Path)`
`207`	`211`	`}`