From 18a50fa213d46d5592f6542c91ab4c4760cf346c Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Mon, 21 Jun 2010 14:14:15 +0200 Subject: [PATCH] drbd: Now we need to handle the ed_uuid of an diskless, unconnected primary correctly Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_main.c | 4 +++- drivers/block/drbd/drbd_receiver.c | 5 +++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 106b9ab..c701805 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1297,8 +1297,10 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, } if (ns.pdsk < D_INCONSISTENT && get_ldev(mdev)) { - if (ns.peer == R_PRIMARY && mdev->ldev->md.uuid[UI_BITMAP] == 0) + if (ns.peer == R_PRIMARY && mdev->ldev->md.uuid[UI_BITMAP] == 0) { drbd_uuid_new_current(mdev); + drbd_send_uuids(mdev); + } /* D_DISKLESS Peer becomes secondary */ if (os.peer == R_PRIMARY && ns.peer == R_SECONDARY) diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 8daa920..72bc1a1 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -3104,6 +3104,11 @@ static int receive_uuids(struct drbd_conf *mdev, struct p_header *h) drbd_md_sync(mdev); } put_ldev(mdev); + } else if (mdev->state.disk < D_INCONSISTENT && + mdev->state.role == R_PRIMARY) { + /* I am a diskless primary, the peer just created a new current UUID + for me. */ + drbd_set_ed_uuid(mdev, p_uuid[UI_CURRENT]); } /* Before we test for the disk state, we should wait until an eventually -- 2.7.4