Gitweb:
https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=a22729a5577689d896e...
Commit: a22729a5577689d896ea13a82e6af7f7dde30412
Parent: 414f903cdc161e553100af6ad03e68fbf94617c3
Author: David Teigland <teigland(a)redhat.com>
AuthorDate: Fri Oct 4 11:04:44 2019 -0500
Committer: David Teigland <teigland(a)redhat.com>
CommitterDate: Fri Oct 4 11:06:38 2019 -0500
tests: improve lib wipefs_a
in wipefs fallback, use limited dd and mdadm --zero-superblock
to avoid writing to entire dev in case dev space is provisioned
on write.
---
test/lib/aux.sh | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/test/lib/aux.sh b/test/lib/aux.sh
index 8ceb5db..36e1c2b 100644
--- a/test/lib/aux.sh
+++ b/test/lib/aux.sh
@@ -804,7 +804,8 @@ wipefs_a() {
if wipefs -V >/dev/null; then
wipefs -a "$dev"
else
- dd if=/dev/zero of="$dev" bs=1024 || true
+ dd if=/dev/zero of="$dev" bs=4096 count=8 || true
+ mdadm --zero-superblock "$dev" || true
fi
}