RAID(Redundant Array of Independent Disks)
created : Sun, 23 Aug 2020 20:50:40 +0900
modified : Mon, 24 Aug 2020 20:06:49 +0900
종류
- RAID 0 : stripping
- RAID 1 : mirroring
- RAID 5 : stripping + mirroring + parity (at least 3 disks)
- RAID 6 : stripping + mirroring + parity (at least 4 disks)
- RAID 0 + 1 : mirroring after stripping
- RAID 10 (1 + 0) : stripping after mirroring
Benchmark
SSD 에서의 밴치마크 : https://www.phoronix.com/scan.php?page=article&item=linux55-ssd-raid&num=1
RAID 5 기준으로 작성 다른 RAID 같은 경우 위 링크 참조
Btrfs EXT4 F2FS XFS Application Start-up Time v3.4.0 (Only Sequential Reads - Xterm) 8.69 0.20 5.51 8.76 Application Start-up Time v3.4.0 (Sequential Reads + Writes - Xterm) 3.68 2.64 1.62 1.85 Application Start-up Time v3.4.0 (Only Sequential Reads - GNOME Terminal) 22.70 30.39 15.26 39.19 Application Start-up Time v3.4.0 (Only Sequential Reads - LibreOffice Writer) 14.34 22.94 10.28 28.06 Application Start-up Time v3.4.0 (Sequential Reads + Writes - GNOME Terminal) 10.68 7.19 4.77 8.63 Application Start-up Time v3.4.0 (Sequential Reads + Writes - LivreOffice Writer) 6.93 6.06 2.91 6.33 SQLite v3.30.1 (Threads / Copies : 1) 83.30 40.36 46.17 46.38 SQLite v3.30.1 (Threads / Copies : 8) 227.68 308.02 412.05 221.80 Flexible IO Tester v3.16 (Random Write) 115K 93K 85K 122K 대충 이정도만 정리 나머진 직접 링크 가서 확인