added HSM corruption tool

diff --git a/check_corruption.sh b/check_corruption.sh
new file mode 100644 (file)
index 0000000..cebb17a
--- /dev/null
+++ b/check_corruption.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+# check for data corruption on migrate/recall with TSM/HSM
+# tridge@samba.org June 2008
+
+# do 10k files by default
+N=10000
+
+if [ $# -ge 1 ]; then
+    N="$1"
+fi
+
+
+[ -d rand1M ] && {
+    echo "Cleaning up from old run"
+    rm -rf rand1M
+}
+
+mkdir rand1M || exit 1
+cd rand1M || exit 1
+echo "Creating $N files"
+for i in `seq 1 $N`; do echo $i; dd if=/dev/urandom of=rand$i.dat bs=1M count=1; done
+
+echo "Syncing and sleeping 10 seconds"
+sync
+sleep 10
+sync
+
+echo "Checking sizes"
+for i in `seq 1 $N`; do 
+    [ `stat -c '%b' rand$i.dat` = 2048 ] || {
+       echo "ERROR: rand$i.dat is not blocks 2048 in size"
+       stat rand$i.dat
+       exit 1
+    }
+done
+
+
+echo "Checksumming $N files with md5sum"
+md5sum rand*.dat | tee ../rand1Msum.dat
+
+echo "Waiting 2 minutes for files to be migratable"
+sleep 120
+
+echo "Migrating $N files"
+dsmmigrate rand*dat
+
+echo "Checking sizes"
+for i in `seq 1 $N`; do 
+    [ `stat -c '%b' rand$i.dat` = 0 ] || {
+       echo "ERROR: rand$i.dat is not fully migrated"
+       stat rand$i.dat
+       exit 1
+    }
+done
+
+echo "Checksumming again"
+md5sum rand*.dat | tee ../rand1Msum_after_migration.dat
+
+count=`comm -23 ../rand1Msum.dat ../rand1Msum_after_migration.dat | wc -l`
+
+if [ $count -ne 0 ]; then
+    echo "ERROR: These $count files were CORRUPTED"
+    comm -23 ../rand1Msum.dat ../rand1Msum_after_migration.dat
+    exit 1
+fi
+
+echo "No files were corrupted on recall"
+
+exit 0