Benchmarks
From Useful Things
Revision as of 11:14, 21 March 2015 by Milosivanovic (talk | contribs)
RAID 6 + LUKS
Environment
eclipse shared # cat /proc/cpuinfo | grep name | uniq model name : Intel(R) Xeon(R) CPU E31240 @ 3.30GHz eclipse shared # findmnt /media/raid TARGET SOURCE FSTYPE OPTIONS /media/raid /dev/mapper/raid ext4 rw,relatime,stripe=384,data=ordered eclipse shared # cat /sys/block/md0/md/stripe_cache_size 32768 eclipse shared # lshw -short -C disk H/W path Device Class Description ======================================================= /0/100/1/0/0.0.0 /dev/sdc disk 4TB ST4000VN000-1H41 /0/100/1/0/0.1.0 /dev/sdd disk 4TB ST4000VN000-1H41 /0/100/1/0/0.2.0 /dev/sde disk 4TB ST4000DM000-1F21 /0/100/1/0/0.3.0 /dev/sdf disk 4TB ST4000VN000-1H41 /0/100/1/0/0.4.0 /dev/sdg disk 4TB ST4000VN000-1H41 /0/100/1/0/0.5.0 /dev/sdh disk 4TB ST4000VN000-1H41 /0/1/0.0.0 /dev/sda disk 128GB Samsung SSD 840 /0/2/0.0.0 /dev/sdb disk 60GB OCZ-VERTEX3 eclipse shared # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 119.2G 0 disk ├─sda1 8:1 0 32M 0 part ├─sda2 8:2 0 512M 0 part [SWAP] └─sda3 8:3 0 118.7G 0 part / sdb 8:16 0 55.9G 0 disk ├─sdb1 8:17 0 243M 0 part ├─sdb2 8:18 0 488M 0 part └─sdb3 8:19 0 55.2G 0 part sdc 8:32 0 3.7T 0 disk └─md0 9:0 0 14.6T 0 raid6 └─raid 251:0 0 14.6T 0 crypt /media/raid sdd 8:48 0 3.7T 0 disk └─md0 9:0 0 14.6T 0 raid6 └─raid 251:0 0 14.6T 0 crypt /media/raid sde 8:64 0 3.7T 0 disk └─md0 9:0 0 14.6T 0 raid6 └─raid 251:0 0 14.6T 0 crypt /media/raid sdf 8:80 0 3.7T 0 disk └─md0 9:0 0 14.6T 0 raid6 └─raid 251:0 0 14.6T 0 crypt /media/raid sdg 8:96 0 3.7T 0 disk └─md0 9:0 0 14.6T 0 raid6 └─raid 251:0 0 14.6T 0 crypt /media/raid sdh 8:112 0 3.7T 0 disk └─md0 9:0 0 14.6T 0 raid6 └─raid 251:0 0 14.6T 0 crypt /media/raid
Results
eclipse shared # pwd /media/raid/shared eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 19.4577 s, 345 MB/s eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 19.4899 s, 344 MB/s eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 19.7158 s, 340 MB/s eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 19.4337 s, 345 MB/s eclipse shared # dd if=file of=/dev/null bs=64M 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 11.4224 s, 588 MB/s eclipse shared # echo 3 > /proc/sys/vm/drop_caches eclipse shared # dd if=file of=/dev/null bs=64M 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 11.3578 s, 591 MB/s eclipse shared # echo 3 > /proc/sys/vm/drop_caches eclipse shared # dd if=file of=/dev/null bs=64M 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 11.1645 s, 601 MB/s eclipse shared # echo 3 > /proc/sys/vm/drop_caches eclipse shared # dd if=file of=/dev/null bs=64M 100+0 records in 100+0 records out 6710886400 bytes (6.7 GB) copied, 11.1897 s, 600 MB/s
