1. P

    Improving small write performance, safe to use write-back caching with Ceph on HDD?

    Users had been complaining about laggy VM performace on our HDD-based Ceph pool. With many users VMs having many applications that are logging to disk, I see a lot of small writes with write IOPS > 5x read IOPS. Reading up here and elsewhere, it seems that Write-back may yield better...
  2. A

    Issue with caching when destination is offline

    Hi There, We're running a cluster of two PMGs. They're located in different networks in different locations for geo redundancy. Now we have the following issue: One location will be offline for a day or two - this also means that the mail servers are offline and the second gateway should...
  3. S

    Supermicro SuperServer Components

    Hello, first post on the forum but looking forward to reading and learning as much as possible. I'm looking to invest around $10,000 - $14,000 on my first home server and I wanted to go a bit overboard on the specs to future proof it for the next 5-10 years if possible. This is not going to be...
  4. K

    [SOLVED] High IO on load

    I've been running Proxmox about 2 years now and I'm always struggling with high IO issues. Due to conficting information online I've tried a ton of different settings and although it has been better then it was it's still not great. So I thought I would write this post and ask for some help...


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