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SW RAID-0 help on HETZNER server (installimage)

StevenGeorgeStevenGeorge Member
in Help

Hello,

I got a server from HETZNER with 4 HDD, i want to make it RAID-0 uisng installimage command ...

But i am unsure what should i select / change ...

Please help me ...

Thanks.

Comments

  • IshaqIshaq Member

    RAID0 is a bad idea, is this server for production use?

  • StevenGeorgeStevenGeorge Member

    @Ishaq said:
    RAID0 is a bad idea, is this server for production use?

    For video streaming actually ... i need a lot of storage that's why thinking about RAID-0 ...

  • SeederKunSeederKun Member

    https://wiki.hetzner.de/index.php/Installimage/en

  • SeederKunSeederKun Member

    go to rescue mode and type installimage and you can choose the OS you want...then it will open a configuration file there you can set the sw raid level and sw raid activation it's easy

  • StevenGeorgeStevenGeorge Member

    Should i choose RAID-1 or RAID-5 instead of RAID-0 ?

  • AshleyUkAshleyUk Member

    @StevenGeorge said:

    @Ishaq said:
    RAID0 is a bad idea, is this server for production use?

    For video streaming actually ... i need a lot of storage that's why thinking about RAID-0 ...

    Production use as in you care about the data, a single drive die out of the 4 and you loose the OS and all data on the 4 drives, at worst if you need the storage look at Raid 5 which would give you 12TB.

  • IshaqIshaq Member
    edited October 2016

    StevenGeorge said: Should i choose RAID-1 or RAID-5 instead of RAID-0 ?

    • RAID5 = 1 drive fault tolerance.
    • RAID1 = you can't do with 4 drives.
    • RAID0 = if 1 drive fails you lose all data.
    • RAID10 = up to 2 drives can fail but depends, 1 drive minimum fault tolerance.
    Thanked by 2StevenGeorge ariq01
  • StevenGeorgeStevenGeorge Member

    Thanks @Ishaq i'm gonna go with RAID-5 .... more storage , performance and security ...

  • StevenGeorgeStevenGeorge Member

    When i am selecting RAID-5 i should have 66% of total storage but i am not getting 66% ... i think it's because of this

    anyone have any idea about this ? do i need to change grub to anything else ?

  • StevenGeorgeStevenGeorge Member

    anyone ?

  • AshleyUkAshleyUk Member
    edited October 2016

    Due to their installer not using GPT each partition can only be 2TB.

    In the text file that launches you will need to create multiple partitions of 2TB, or use LVM (documented in the file)

    Or you can mark the drives as GPT and then boot from a VNC CentOS installer from the robot interface and install as Raid5 with all disk space.

    In the rescue interface do this for each drive (a,b,c,d) inplace of x

    1/ parted /dev/sdx
    2/ mklabel gpt (select y)
    3/ q

    Once this is done in the robot interface select the VNC Install for CentOS, this will provide you with an IP:PORT and password to connect to complete the install, during the CentOS select the do a manual drive setup and create your 4 Raid Partitions and then the Raid 5 devices as required.

    Thanked by 1StevenGeorge
  • StevenGeorgeStevenGeorge Member

    @BlazingServers helping me, let's see his result ;)

    Thanked by 1BlazingServers
  • StevenGeorgeStevenGeorge Member

    @BlazingServers did it :) thanks to him ... and AshleyUk ...

    Thanked by 1BlazingServers
  • domains1975domains1975 Member
    edited October 2016

    @StevenGeorge said:

    @Ishaq said:
    RAID0 is a bad idea, is this server for production use?

    For video streaming actually ... i need a lot of storage that's why thinking about RAID-0 ...

    Are you running a website on it? Video streaming sounds very interesting. What software solution are you using? I am just being curious :). Let us know your website once you have it up and running

  • lontonglontong Member

    @domains1975 said:

    @StevenGeorge said:

    @Ishaq said:
    RAID0 is a bad idea, is this server for production use?

    For video streaming actually ... i need a lot of storage that's why thinking about RAID-0 ...

    Are you running a website on it? Video streaming sounds very interesting. What software solution are you using? I am just being curious :). Let us know your website once you have it up and running

    aand.. he'll get DDOSed :)

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