qubes-installer-qubes-os/blivet/0001-Double-recommended-LVM-thin-pool-metadata-space.patch

From 88b59572bccd4cfa60d5eb8d0379094a81908358 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Tue, 20 Aug 2019 04:17:42 +0200
Subject: [PATCH] Double recommended LVM thin pool metadata space
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Organization: Invisible Things Lab
Cc: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>

Running out of metadata space is fatal, and it happens with the default
value on Qubes OS. Double the default to be safe.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
---
 blivet/devices/lvm.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/blivet/devices/lvm.py b/blivet/devices/lvm.py
index 72a2d395..e163dbe3 100644
--- a/blivet/devices/lvm.py
+++ b/blivet/devices/lvm.py
@@ -1532,6 +1532,9 @@ class LVMThinPoolMixin(object):
         self._metadata_size = Size(             get_thpool_meta_size(self._size,
                                                                      self._chunk_size,
                                                                      100))  # snapshots
+        # use twice as much as thin_metadata_size recommends, to accommodate
+        # large number of frequent snapshots
+        self._metadata_size *= 2
         log.debug("Recommended metadata size: %s", self._metadata_size)
 
         self._metadata_size = self.vg.align(self._metadata_size, roundup=True)
-- 
2.20.1