From bfccad4beefeb39d5feba972a017e84bf60ec397 Mon Sep 17 00:00:00 2001
From: adilger <adilger>
Date: Thu, 18 Mar 2004 01:19:38 +0000
Subject: [PATCH] Update b_bug1414 from HEAD (20040317_1808)

---
 lustre/tests/replay-single.sh | 68 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/lustre/tests/replay-single.sh b/lustre/tests/replay-single.sh
index 9030789..9ce73cc 100755
--- a/lustre/tests/replay-single.sh
+++ b/lustre/tests/replay-single.sh
@@ -797,6 +797,74 @@ test_40(){
 }
 run_test 40 "cause recovery in ptlrpc, ensure IO continues"
 
+
+#b=2814
+# make sure that a read to one osc doesn't try to double-unlock its page just
+# because another osc is invalid.  trigger_group_io used to mistakenly return
+# an error if any oscs were invalid even after having successfully put rpcs
+# on valid oscs.  This was fatal if the caller was ll_readpage who unlocked
+# the page, guarnateeing that the unlock from the RPC completion would
+# assert on trying to unlock the unlocked page.
+test_41() {
+    local f=$MOUNT/$tfile
+    # make sure the start of the file is ost1
+    lfs setstripe $f $((128 * 1024)) 0 0 
+    do_facet client dd if=/dev/zero of=$f bs=4k count=1 || return 3
+    cancel_lru_locks OSC
+    # fail ost2 and read from ost1
+    local osc2_dev=`$LCTL device_list | \
+		awk '(/ost2.*client_facet/){print $4}' `
+    $LCTL --device %$osc2_dev deactivate
+    do_facet client dd if=$f of=/dev/null bs=4k count=1 || return 3
+    $LCTL --device %$osc2_dev activate
+    return 0
+}
+run_test 41 "read from a valid osc while other oscs are invalid"
+
+# test MDS recovery after ost failure
+test_42() {
+    blocks=`df $MOUNT | tail -1 | awk '{ print $1 }'`
+    createmany -o $DIR/$tfile-%d 800
+    replay_barrier ost
+    unlinkmany $DIR/$tfile-%d 0 400
+    facet_failover ost
+    
+    # osc is evicted, fs is smaller
+    blocks_after=`df $MOUNT | tail -1 | awk '{ print $1 }'`
+    [ $blocks_after -lt $blocks ] || return 1
+    echo wait for MDS to timeout and recover
+    sleep $((TIMEOUT * 2))
+    unlinkmany $DIR/$tfile-%d 400 400
+    $CHECKSTAT -t file $DIR/$tfile-* && return 1 || true
+}
+run_test 42 "recoery after ost failure"
+
+# b=2530
+# directory orphans can't be unlinked from PENDING directory
+test_43() {
+    replay_barrier mds
+
+    # OBD_FAIL_OST_CREATE_NET 0x204
+    do_facet ost "sysctl -w lustre.fail_loc=0x80000204"
+    facet_failover mds
+    df $MOUNT || return 1
+    sleep 10
+    do_facet ost "sysctl -w lustre.fail_loc=0"
+
+    return 0
+}
+run_test 43 "mds osc import failure during recovery; don't LBUG"
+
+test_44() {
+    mdcdev=`awk '/mds_svc_MNT/ {print $1}' < /proc/fs/lustre/devices`
+    do_facet mds "sysctl -w lustre.fail_loc=0x80000701"
+    $LCTL --device $mdcdev recover
+    df $MOUNT
+    do_facet mds "sysctl -w lustre.fail_loc=0"
+    return 0
+}
+run_test 44 "race in target handle connect"
+
 equals_msg test complete, cleaning up
 $CLEANUP
 
-- 
1.8.3.1