From 3a11a4878939e0e3c355bf3f52ef642a4cb6ba84 Mon Sep 17 00:00:00 2001
From: Adam Gandelman <adam.gandelman@linbit.com>
Date: Thu, 8 Apr 2010 16:48:23 -0700
Subject: drbd: New handler: initial-split-brain
Some wish to be notified of all instances of split brain, not just those that
go unresolved. The initial-split-brain handler is called to notify someone
upon detection of all split brain conditions even if auto-recovery policies
are configured.
Signed-off-by: Adam Gandelman <adam.gandelman@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_receiver.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
(limited to 'drivers/block/drbd')
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 3a36bc814e77..6876041fc3d8 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2487,6 +2487,9 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol
hg > 0 ? "source" : "target");
}
+ if (abs(hg) == 100)
+ drbd_khelper(mdev, "initial-split-brain");
+
if (hg == 100 || (hg == -100 && mdev->net_conf->always_asbp)) {
int pcount = (mdev->state.role == R_PRIMARY)
+ (peer_role == R_PRIMARY);
@@ -2532,7 +2535,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol
* after an attempted attach on a diskless node.
* We just refuse to attach -- well, we drop the "connection"
* to that disk, in a way... */
- dev_alert(DEV, "Split-Brain detected, dropping connection!\n");
+ dev_alert(DEV, "Split-Brain detected but unresolved, dropping connection!\n");
drbd_khelper(mdev, "split-brain");
return C_MASK;
}
--
cgit