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Cent OS RAID1

HaroldMHaroldM Member
in Help

I have dedicated SolusVM slave server with KVM virtualization. When i order the server i got two 500 GB disk's configured to RAID1 array. as per SolusVM documantation DC guy's setup 40GB for / because i only use Windows template only and they leave rest of space to volume group. now my volume group has no more free space. if i order another 1 or 2 disk's can i add them to existing RAID1 and volume group ?

Comments

  • rskrsk Member, Patron Provider

    Adding more HDDs to RAID 1 will put them as spare HDDs.

    How about getting another node .. set it up with 4x HDDs and RAID 10? Gives the boost and the security .. and happy clients :-)

    Thanked by 1HaroldM
  • GreenHostBoxGreenHostBox Member
    edited September 2014

    You could set up a RAID-1 with two drives, and back them up to a third drive which could be used as an external drive. Or you can just add two new drives and continue to use RAID-1 or use RAID-10 (recommended).

    Thanked by 1HaroldM
  • ausaus Member

    @GreenHostBox said:
    You can only have a maximum of two disks for RAID-1.

    I think you meant minimum? You can also do RAID 1 with 4 drives.

    Thanked by 1HaroldM
  • GreenHostBoxGreenHostBox Member

    @aus said:

    Ah yes, my mistake. I edited my post.

  • camargcamarg Member

    rsk said: Adding more HDDs to RAID 1 will put them as spare HDDs.

    I think @HaroldM meant to create a new raid1 with 2hdd and then add the new partition to the lvm, which is doable

    Thanked by 1HaroldM
  • rskrsk Member, Patron Provider

    camarg said: I think @HaroldM meant to create a new raid1 with 2hdd and then add the new partition to the lvm, which is doable

    Yes, that is possible too, but I am sure if you were to recommend something (for potential client use) you'd give them RAID10 over RAID 1 any day.

    Thanked by 1HaroldM
  • HaroldMHaroldM Member

    GreenHostBox said: You could set up a RAID-1 with two drives, and back them up to a third drive which could be used as an external drive. Or you can just add two new drives and continue to use RAID-1 or use RAID-10 (recommended).

    is there any way to convert my existing RAID1 to RAID10 by adding another 2 Disks ?

  • HaroldMHaroldM Member

    rsk said: Yes, that is possible too, but I am sure if you were to recommend something (for potential client use) you'd give them RAID10 over RAID 1 any day.

    wow. i just wait for this answer. thank you very much. now i know it's possible :) need to hire sysmin now

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