b=1135

r=Andreas

Add a regression test script to test OST out-of-space.

lustre/tests/ost_oos.sh

+#!/bin/bash
+
+export NAME=${NAME:-local}
+export OSTSIZE=10000
+
+MOUNT=${MOUNT:-/mnt/lustre}
+
+echo "mnt.."
+sh llmount.sh
+echo "done"
+echo ""
+
+SUCCESS=1
+
+FREESPACE=`df |grep $MOUNT|tr -s ' '|cut -d ' ' -f4`
+
+rm -f /tmp/oosfile
+dd if=/dev/zero of=$MOUNT/oosfile count=$[$FREESPACE + 1] bs=1k 2>/tmp/oosfile
+
+RECORDSOUT=`grep "records out" /tmp/oosfile|cut -d + -f1`
+
+[ -z "`grep "No space left on device" /tmp/oosfile`" ] && \
+        echo "failed:dd not return ENOSPC" && SUCCESS=0
+
+[ $FREESPACE -lt $RECORDSOUT ] && \
+        echo "failed:the space written by dd larger than available space" && \
+        SUCCESS=0
+
+FILESIZE=`ls -l $MOUNT/oosfile|tr -s ' '|cut -d ' ' -f5`
+[ $RECORDSOUT -ne $[$FILESIZE/1024] ] && \
+        echo "failed:the space written by dd not equal to the size of file" && \
+        SUCCESS=0
+
+[ $SUCCESS -eq 1 ] && echo "Success!"
+
+rm -f $MOUNT/oosfile*
+rm -f /tmp/oosfile
+
+echo ""
+echo "cln.."
+sh llmountcleanup.sh