diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2010-06-22 14:03:27 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-14 15:01:37 +0200 |
| commit | 481c6f503213ab14f69ce88fff7b1ece325522f2 (patch) | |
| tree | 6d6da7d5e2893349116cfc89e6b7c755965c723a /drivers/block/drbd/drbd_receiver.c | |
| parent | 43a5182cccae5850f7590f78dd9651bd407be440 (diff) | |
drbd: Ensure that the peer was not rebootet in the meantime before resending TL
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 101ad186244..3a8131a2655 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -3265,7 +3265,18 @@ static int receive_state(struct drbd_conf *mdev, struct p_header *h) ns.peer_isp = (peer_state.aftr_isp | peer_state.user_isp); if ((nconn == C_CONNECTED || nconn == C_WF_BITMAP_S) && ns.disk == D_NEGOTIATING) ns.disk = mdev->new_state_tmp.disk; - + if (ns.pdsk == D_CONSISTENT && ns.susp && nconn == C_CONNECTED && oconn < C_CONNECTED && + test_bit(NEW_CUR_UUID, &mdev->flags)) { + /* Do not allow tl_restart(resend) for a rebooted peer. We can only allow this + for temporal network outages! */ + spin_unlock_irq(&mdev->req_lock); + dev_err(DEV, "Aborting Connect, can not thaw IO with an only Consistent peer\n"); + tl_clear(mdev); + drbd_uuid_new_current(mdev); + clear_bit(NEW_CUR_UUID, &mdev->flags); + drbd_force_state(mdev, NS2(conn, C_PROTOCOL_ERROR, susp, 0)); + return FALSE; + } rv = _drbd_set_state(mdev, ns, CS_VERBOSE | CS_HARD, NULL); ns = mdev->state; spin_unlock_irq(&mdev->req_lock); |