+++ /dev/null
-#!/bin/bash
-
-set -e
-
-export PATH=`dirname $0`/../utils:$PATH
-
-LFS=${LFS:-lfs}
-LCTL=${LCTL:-lctl}
-MOUNT=${MOUNT:-/mnt/lustre}
-MAXAGE=${MAXAGE:-1}
-
-QOSFILE=$MOUNT/qos_file
-TAB='--'
-
-echo "remove all files on $MOUNT..."
-rm -fr $MOUNT/*
-sleep 1 # to ensure we get up-to-date statfs info
-
-set_qos() {
- lctl set_param lov.*.qos_threshold=$(($1/1024))
- lctl set_param lov.*.qos_maxage=$2
-}
-
-# assume all osts has same free space
-OSTCOUNT=$(lctl get_param -n lov.*.activeobd | head -n 1)
-TOTALAVAIL=$(lctl get_param -n llite.*.kbytesavail | head -n 1)
-SINGLEAVAIL=$(($TOTALAVAIL/$OSTCOUNT))
-MINFREE=$((1024 * 4)) # 4M
-TOTALFFREE=$(lctl get_param -n llite.*.filesfree | head -n 1)
-
-if [ $SINGLEAVAIL -lt $MINFREE ]; then
- echo "ERROR: single ost free size($SINGLEAVAIL kb) is too low!"
- exit 1;
-fi
-if [ $OSTCOUNT -lt 3 ]; then
- echo "WARN: ost count($OSTCOUNT) must be greater than 2!"
- exit 0;
-fi
-
-qos_test_1() {
- echo "[qos test 1]: creation skip almost full OST (avail space < threshold)"
-
- # set qos_threshold as half ost size
- THRESHOLD=$(($SINGLEAVAIL/2))
- set_qos $THRESHOLD $MAXAGE
-
- # set stripe number to 1
- $LFS setstripe $QOSFILE 65536 -1 1
- FULLOST=`$LFS getstripe -q $QOSFILE | awk '/\s*\d*/ {print $1}'`
-
- # floodfill the FULLOST
- echo "$TAB fill the OST $FULLOST to almost fullness..."
- dd if=/dev/zero of=$QOSFILE count=$(($SINGLEAVAIL - $THRESHOLD + 1500)) bs=1k > /dev/null 2>&1 || return 1
- echo "$TAB done"
-
- sleep $(($MAXAGE * 2))
- echo "$TAB create 10 files with 1 stripe"
- for i in `seq 10`; do
- rm -f $MOUNT/file-$i
- $LFS setstripe $MOUNT/file-$i 65536 -1 1
- idx=`$LFS getstripe -q $MOUNT/file-$i | awk '/\s*\d*/ {print $1}'`
- if [ $idx -eq $FULLOST ]; then
- echo "$TAB ERROR: create object on full OST $FULLOST"
- return 1
- fi
- done
- echo "$TAB no object created on OST $FULLOST"
-
- # cleanup
- for i in `seq 10`; do
- rm -f $MOUNT/file-$i
- done
- rm -f $QOSFILE
- # set threshold and maxage to normal value
- set_qos 10240 1
-
- sleep 1
- return 0
-}
-
-qos_test_2 () {
- echo "[qos test 2]: creation balancing over all OSTs by free space"
-
- if [ $OSTCOUNT -lt 3 ]; then
- echo "$TAB WARN: OST count < 3, test skipped"
- return 0
- fi
-
- WADSZ=$(($SINGLEAVAIL * 3 / 4))
- TOTALSZ=$(($WADSZ * $OSTCOUNT - 1))
-
- # fill all OST 0 to 3/4 fulness
- $LFS setstripe $QOSFILE 65536 0 1
- echo "$TAB fill the OST 0 to 3/4 fulness..."
- dd if=/dev/zero of=$QOSFILE count=$WADSZ bs=1k > /dev/null 2>&1 || return 1
- echo "$TAB done"
-
- # write 2 stripe files to fill up other OSTs
- LOOPCNT=500
- echo "$TAB create $LOOPCNT files with 2 stripe..."
- for i in `seq $LOOPCNT`; do
- rm -f $MOUNT/file-$i
- $LFS setstripe $MOUNT/file-$i 65536 -1 2
- done
- echo "$TAB done"
-
- # the objects created on OST 0 should be 1/4 of on other OSTs'
- CNT0=`$LFS getstripe -q /mnt/lustre | awk '/\s*\d*/ {print $1}'| grep -c 0`
- CNT0=$(($CNT0 - 1))
- echo "$TAB object created on OST 0: $CNT0"
-
- # the object count of other osts must be greater than 2 times
- CNT0=$(($CNT0 * 2))
- for i in `seq $(($OSTCOUNT - 1))`; do
- CNT=`$LFS getstripe -q /mnt/lustre | awk '/\s*\d*/ {print $1}'| grep -c $i`
- echo "$TAB object created on OST $i: $CNT"
- if [ $CNT0 -gt $CNT ] ; then
- echo "$TAB ERROR: too much objects created on OST 0"
- return 1
- fi
- done
- echo "$TAB objects created on OST 0 is about 1/4 of others'"
-
- # cleanup
- for i in `seq $LOOPCNT`; do
- rm -f $MOUNT/file-$i
- done
- rm -f $QOSFILE
- return 0
-}
-
-
-# run tests
-for j in `seq 2`; do
- qos_test_$j
- [ $? -ne 0 ] && exit 1
-done
-exit 0