For devices with filesystem, udev /dev/disk/by-uuid/* links are usually reliable. But one exception is multipath devices, child and top layer device may have same uuid.
As dm devices maintain /dev/mapper/* as persistent names, so converting to /dev/mapper/* firstly then try by-uuid/* and by-id/* Signed-off-by: Dave Young <[email protected]> --- dracut-functions.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- dracut.orig/dracut-functions.sh +++ dracut/dracut-functions.sh @@ -245,7 +245,7 @@ get_persistent_dev() { _dev=$(udevadm info --query=name --name="$1" 2>/dev/null) [ -z "$_dev" ] && return - for i in /dev/disk/by-id/*; do + for i in /dev/mapper/* /dev/disk/by-uuid/* /dev/disk/by-id/*; do _tmp=$(udevadm info --query=name --name="$i" 2>/dev/null) if [ "$_tmp" = "$_dev" ]; then echo $i -- To unsubscribe from this list: send the line "unsubscribe initramfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
