1. 8 TB RAID 6 Linux Software RAID Using EXT4

    Sun 05 July 2009

    Mobo: Asus P5Q-EM DO ( 6x sata)

    CPU: Core 2 Duo E7400

    RAM: 4 GB

    Controller; HighPoint RocketRAID 2314 (16x poorten)

    PSU: CooMas Silent Pro M 600W ATX2 (definitely not overkill)

    HD: Samsung 1 TB SAT2 HD103UJ (10x)

    OS: Debian Lenny with custom kernel (backported)

    FS: EXT4

    RAID config: 10 disk RAID 6 based on Linux software RAID.

    Performance: Read: 850 MB/s Write: 300 MB/s

    Capacity: 7,5 GiB or 8 GB.

    I am very pleased with the result. Points that should be improved are the temperature and noise. The PSU is a major overkill since this puppy draws less than 200 watt.

    image

    image

    Bunny:~# ./show-hdd-temp.sh

    Device Temperature

    /dev/sda 32

    /dev/sdb 34

    /dev/sdc 33

    /dev/sdd 36

    /dev/sde 34

    /dev/sdf 33

    /dev/sdg 38

    /dev/sdh 39

    /dev/sdi 37

    /dev/sdj 36

    /dev/sdk 35

    Personalities : [raid6] [raid5] [raid4]

    md0 : active raid6 sdj[10] sdb[0] sdl[9] sdk[8] sdg[7] sdf[6] sdi[5] sdh[4] sde[3] sdd2 sdc1

    7813463552 blocks super 0.91 level 6, 64k chunk, algorithm 2 [11/11] [UUUUUUUUUUU]

    [======>..............] reshape = 30.1% (294904524/976682944) finish=585.3min speed=19413K/sec

    Tagged as : Uncategorized
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