From f563cfcdf9dc932b323771965fe983bac439587f Mon Sep 17 00:00:00 2001
From: Jens Nolte <git@queezle.net>
Date: Sat, 14 Aug 2021 23:55:42 +0200
Subject: [PATCH] installation: Wipe partition table so blkdiscard does not
fail
We want blkdiscard to fail if the device is no ssd, but it will also
fail if the device already has a partition table.
---
bin/lib/installation.nix | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/bin/lib/installation.nix b/bin/lib/installation.nix
index 05c4423..45df5d7 100644
--- a/bin/lib/installation.nix
+++ b/bin/lib/installation.nix
@@ -125,6 +125,12 @@ assert (typeOf swap) == "string";
exit 3
fi
+ print_info "Wiping partition table"
+ dd if=/dev/zero of=$block_device bs=1M count=1 conv=fsync
+
+ # Ensure partition table changes have been registered by the kernel
+ ${partprobe-bin} $block_device
+
print_info "Discarding disk contents"
if ${blkdiscard-bin} $block_device
then
--
GitLab