slow i/o

  1. rwatt

    ZFS Extremely slow disk I/O on OpenStack. Need help interpreting results.

    I started going down this rabbit hole after upgrading three virtual machines from FreeBSD 14.3-RELEASE-p9 to 14.4-RELEASE. These are hosted on an OpenStack cluster not administered by me. This was a proof-of-concept, so to speak, to move some servers off VMware vSphere to another group's...
    • rwatt
    • Thread
    • bonnie++ disk i/o fio openstack slow i/o vsphere
    • Replies: 6
    • Forum: Storage
  2. GrandAdmiralThrawn

    Other GEOM RAID: Slow with gstat reporting high %busy on RAID device under CPU load

    Hello, I have another question about the GEOM RAID class. I'm currently using it to join four PCIe 4.0 NVMe SSDs together in a RAID-0 for temporary data, no parity calculations involved. Load type on the device is both linear as well as random I/O, pretty somewhat equally distributed between...
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