hardware raid vs. snapraid - what's best for media server?

    Hi


    I'm working towards redoing my home server.


    today it's running 8x3Tb raid 5 ntfs.


    Because of a failed drive (which was replaced) I now have a punctured raid.
    So I am working on emptying all my data out and redoing it... don't ask why it was ntfs :rolleyes:


    Anyway.. the disks are running on a LSI 9280 raid controller.


    I am kinda warm on the idea of mergerFS & snapraid.. at least mergerFS and the option to use different sized drives.. so I'm not stuck on 3Tb unless I buy 8 new drives all at once..
    But what would be the best option?


    raid controller & jbod (so what's the point of raid controller?)
    a new raid setup and sticking with 3Tb disks?


    I also have a lsi 9212 lying about which I've never used... it came with the server (older work computer) & a LSI LSI20320IE PCI-Express Single Channel Ultra320 SCSI Controller Card


    So those are the tools I have available..


    what would YOU suggest :)


    oh the server is mostly movies, series & music.. but also family photos, documents, software etc... photos are however backed up to crashplan.

    If you have the unlimited plan with CrashPlan perhaps should use it for everything. Can take a long time but with properly setup sets it's at least worth it as another backup.


    I need to finish/clean it up some but I've a writeup of a CrashPlan + mergerfs (with and without SnapRaid)[0]


    At some point I'm going to document my full setup but basically it's mergerfs + CrashPlan (for all media) + scorch (for data corruption detection)[1] + (new to my setup) using rclone[2] to upload media to Amazon.


    To automatically catch corruption I use scorch via cron. Every hour "scorch --max 10 --sort random check /storage" which will check at most 10 random files and only prints errors which then will be emailed to me.


    Once rclone is finished with the initial upload I will put it on a schedule as well to upload new data regularly.


    [0] https://github.com/trapexit/backup-and-recovery-howtos
    [1] https://github.com/trapexit/scorch
    [2] http://rclone.org

    so you're streaming from amazon? I assume NOT from crashplan ?


    any thoughts as to the hw raid vs. snapraid?


    and are any of my additionally available controllers worth looking into ?


    oh and I realise you're the dev of mergerFS... *great big thumbs of*!!!

    Not streaming from Amazon. Just backing up to it.


    HW RAID is clearly better if you're concern is data integrity but if that's more a secondary concern to the ease of underlying drive replacement/addition then snapraid is a better solution. I don't use either since CrashPlan keeps versioned backups for me and scorch alerts me if something is bad.

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