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Server setup help
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Server setup help

DrukpaDrukpa Member
edited May 2015 in Help

I will have a brand new server and want to to install OpenVZ to host few VMs.

Am thinking of the following disk configurations:

2x1TB SATA in SW RAID1 (for / & and /vz)
1x250SSD (/vz2) - Limiting to just 1 due to cost

I want the SSD to be used for mysql used by the containers. Think I should use mount binds to have the partition available on my containers and then move their mysql to it.

Atleast I will have redundancy for the files, don't need it for mysql, probably going to take daily backups of mysql.

Am hoping this time, I don't get miserable disk performance like less than 30MB/s.

Would like to know if anyone's done a configuration like the above, or if its a bad idea.

Also, will vzdumps of containers (on node kernel 2.6.18) work (be able to restore) on an openvz node with 2.6.32 kernel.

Thanks.

Comments

  • ClouviderClouvider Member, Patron Provider

    You shouldn't have much different performance to the host node itself.

    Is this server already operational?

    Have you checked I/O speeds on both already?

  • DrukpaDrukpa Member
    edited May 2015

    @Clouvider said:
    You shouldn't have much different performance to the host node itself.

    Is this server already operational?

    Have you checked I/O speeds on both already?

    No, server is not operational, in fact I haven't even ordered it yet. Thought of asking for some advice before I order it later today.

    I have another server with the same setup but without the SSD, the disk performance is pathetic (both from node/container). Something around 10MB/s. Most disk activity is consumed by MySQL. So am atleast hoping that offloading MySQL to a SSD would help.

    Thanked by 1xai
  • andreicandreic Member
    edited May 2015

    If I were you I think I will go for Proxmox and zfs using SSD cache and as much RAM as you can :)

  • ClouviderClouvider Member, Patron Provider

    You should really consider doubling this SSD in my opinion.

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