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-rw-r--r--archinstall/lib/disk.py25
1 files changed, 22 insertions, 3 deletions
diff --git a/archinstall/lib/disk.py b/archinstall/lib/disk.py
index 2adb4ee5..d4cabc67 100644
--- a/archinstall/lib/disk.py
+++ b/archinstall/lib/disk.py
@@ -75,6 +75,20 @@ def sort_block_devices_based_on_performance(block_devices):
return result
+def select_largest_device(devices, gigabytes, filter_out=None):
+ if not filter_out:
+ filter_out = []
+
+ copy_devices = [*devices]
+ for filter_device in filter_out:
+ if filter_device in copy_devices:
+ copy_devices.pop(copy_devices.index(filter_device))
+
+ if not len(copy_devices):
+ return None
+
+ return max(copy_devices, key=(lambda device : abs(device.size - gigabytes)))
+
def select_disk_larger_than_or_close_to(devices, gigabytes, filter_out=None):
if not filter_out:
filter_out = []
@@ -87,7 +101,7 @@ def select_disk_larger_than_or_close_to(devices, gigabytes, filter_out=None):
if not len(copy_devices):
return None
- return min(copy_devices, key=(lambda device : abs(device.size - 40)))
+ return min(copy_devices, key=(lambda device : abs(device.size - gigabytes)))
def suggest_single_disk_layout(block_device):
MIN_SIZE_TO_ALLOW_HOME_PART = 40 # Gb
@@ -144,12 +158,14 @@ def suggest_single_disk_layout(block_device):
def suggest_multi_disk_layout(block_devices):
MIN_SIZE_TO_ALLOW_HOME_PART = 40 # Gb
+ ARCH_LINUX_INSTALLED_SIZE = 20 # Gb, rough estimate taking in to account user desktops etc. TODO: Catch user packages to detect size?
block_devices = sort_block_devices_based_on_performance(block_devices).keys()
- root_device = select_disk_larger_than_or_close_to(block_devices, gigabytes=MIN_SIZE_TO_ALLOW_HOME_PART)
- home_device = select_disk_larger_than_or_close_to(block_devices, gigabytes=MIN_SIZE_TO_ALLOW_HOME_PART, filter_out=[root_device])
+ home_device = select_largest_device(block_devices, gigabytes=MIN_SIZE_TO_ALLOW_HOME_PART)
+ root_device = select_disk_larger_than_or_close_to(block_devices, gigabytes=ARCH_LINUX_INSTALLED_SIZE, filter_out=[home_device])
+ log(f"Suggesting multi-disk-layout using {len(block_devices)} disks, where {root_device} will be /root and {home_device} will be /home", level=logging.DEBUG)
layout = {
root_device : {
@@ -792,12 +808,14 @@ class Filesystem:
for partition in layout.get('partitions', []):
# We don't want to re-add an existing partition (those containing a UUID already)
if partition.get('format', False) and not partition.get('PARTUUID', None):
+ print("Adding partition....")
partition['device_instance'] = self.add_partition(partition.get('type', 'primary'),
start=partition.get('start', '1MiB'), # TODO: Revisit sane block starts (4MB for memorycards for instance)
end=partition.get('size', '100%'),
partition_format=partition.get('filesystem', {}).get('format', 'btrfs'))
elif (partition_uuid := partition.get('PARTUUID')) and (partition_instance := self.blockdevice.get_partition(uuid=partition_uuid)):
+ print("Re-using partition_instance:", partition_instance)
partition['device_instance'] = partition_instance
else:
raise ValueError(f"{self}.load_layout() doesn't know how to continue without a new partition definition or a UUID ({partition.get('PARTUUID')}) on the device ({self.blockdevice.get_partition(uuid=partition_uuid)}).")
@@ -830,6 +848,7 @@ class Filesystem:
unlocked_device.format(partition['filesystem']['format'])
elif partition.get('format', False):
+ print(partition)
partition['device_instance'].format(partition['filesystem']['format'])
def find_partition(self, mountpoint):