We want to move to using dracut in such a way that the initrd only
activates the minimum of storage needed to bring up the root fs. This
requires us to tell it exactly what storage to activate.
---
storage/devices.py | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/storage/devices.py b/storage/devices.py
index 1065a68..b71b669 100644
--- a/storage/devices.py
+++ b/storage/devices.py
@@ -1555,6 +1555,9 @@ class LUKSDevice(DMCryptDevice):
""" This device's backing device. """
return self.parents[0]
+ def dracutSetupString(self):
+ return "rd_LUKS_UUID=luks-%s" % self.format.uuid
+
class LVMVolumeGroupDevice(DMDevice):
""" An LVM Volume Group
@@ -1964,6 +1967,9 @@ class LVMVolumeGroupDevice(DMDevice):
"""
return len(self.pvs) == self.pvCount or not self.exists
+ def dracutSetupString(self):
+ return "rd_LVM_VG=%s" % self.name
+
class LVMLogicalVolumeDevice(DMDevice):
""" An LVM Logical Volume """
@@ -2682,6 +2688,10 @@ class MDRaidArrayDevice(StorageDevice):
def model(self):
return "RAID%d Array" % self.level
+ def dracutSetupString(self):
+ return "rd_MD_UUID=%s" % self.uuid
+
+
class DMRaidArrayDevice(DMDevice):
""" A dmraid (device-mapper RAID) device """
_type = "dm-raid array"
@@ -2786,6 +2796,10 @@ class DMRaidArrayDevice(DMDevice):
# Even if teared down we still want to show up in storage.disks
return True
+ def dracutSetupString(self):
+ return "rd_DM_UUID=%s" % self.name
+
+
class _MultipathDeviceNameGenerator:
def __init__(self):
self.number = 0
--
1.6.5.2
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