LSI WarpDrive benchmarks, Model: LSI NWD-BLP4-1600 (1600GB)

btrfs_raid0.txt

yum -y install btrfs-progs
yum -y install spew  # regorge(1)

mkfs.btrfs -d raid0 /dev/sdb /dev/sdc
mount /dev/sdb /data

regorge -v -b 1k 500g /data/regorge
WTR:   271525.92 KiB/s   Transfer time: 00:32:10    IOPS:   271525.92
RTR:  1277250.56 KiB/s   Transfer time: 00:06:50    IOPS:  1277250.56

regorge -v -b 4k 500g /data/regorge
WTR:   802201.93 KiB/s   Transfer time: 00:10:53    IOPS:   200550.48
RTR:  1406834.13 KiB/s   Transfer time: 00:06:12    IOPS:   351708.53

regorge -v -b 16k 500g /data/regorge
WTR:  1207822.59 KiB/s   Transfer time: 00:07:14    IOPS:    75488.91
RTR:  1380697.95 KiB/s   Transfer time: 00:06:19    IOPS:    86293.62

regorge -v -b 64k 500g /data/regorge
WTR:  1350678.55 KiB/s   Transfer time: 00:06:28    IOPS:    21104.35
RTR:  1507869.38 KiB/s   Transfer time: 00:05:47    IOPS:    23560.46

regorge -v -b 256k 500g /data/regorge
WTR:  1451568.59 KiB/s   Transfer time: 00:06:01    IOPS:     5670.19
RTR:  1468239.10 KiB/s   Transfer time: 00:05:57    IOPS:     5735.31

btrfs_raid1.txt

yum -y install btrfs-progs
yum -y install spew  # regorge(1)

mkfs.btrfs -d raid1 /dev/sdb /dev/sdc
mount /dev/sdb /data


regorge -v -b 4k 500g /data/regorge
WTR:  1178889.81 KiB/s   Transfer time: 00:07:24    IOPS:   294722.45
RTR:  1751074.40 KiB/s   Transfer time: 00:04:59    IOPS:   437768.60

ext4_md0_raid0.txt

yum -y install spew  # regorge(1)
yum -y install mdadm

mdadm --create --verbose /dev/md0 --level=0 -c256 --raid-devices=2 /dev/sdb /dev/sdc
echo "DEVICE /dev/sdb /dev/sdc" >/etc/mdadm.conf
mdadm --detail --scan >>/etc/mdadm.conf
mkfs -t ext4 /dev/md0
mount /dev/md0 /data


regorge -v -b 1k 500g /data/regorge
WTR:   449447.71 KiB/s   Transfer time: 00:19:26    IOPS:   449447.71
RTR:  1902986.84 KiB/s   Transfer time: 00:04:35    IOPS:  1902986.84

regorge -v -b 4k 500g /data/regorge
WTR:   807086.75 KiB/s   Transfer time: 00:10:49    IOPS:   201771.69
RTR:  2274639.09 KiB/s   Transfer time: 00:03:50    IOPS:   568659.77

regorge -v -b 16k 500g /data/regorge
WTR:   861414.70 KiB/s   Transfer time: 00:10:08    IOPS:    53838.42
RTR:  2310599.64 KiB/s   Transfer time: 00:03:46    IOPS:   144412.48

regorge -v -b 64k 500g /data/regorge
WTR:   893213.72 KiB/s   Transfer time: 00:09:46    IOPS:    13956.46
RTR:  2303465.49 KiB/s   Transfer time: 00:03:47    IOPS:    35991.65

regorge -v -b 256k 500g /data/regorge
WTR:   899964.68 KiB/s   Transfer time: 00:09:42    IOPS:     3515.49
RTR:  2263208.45 KiB/s   Transfer time: 00:03:51    IOPS:     8840.66

go_regorge.sh

echo  regorge -b 1k 500g /data/regorge
      regorge -b 1k 500g /data/regorge

echo  regorge v -b 4k 500g /data/regorge
      regorge v -b 4k 500g /data/regorge

echo  regorge v -b 16k 500g /data/regorge
      regorge v -b 16k 500g /data/regorge

echo  regorge v -b 64k 500g /data/regorge
      regorge v -b 64k 500g /data/regorge

echo  regorge v -b 256k 500g /data/regorge
      regorge v -b 256k 500g /data/regorge