1. int0x50

    Installing FreeBSD 13 on Samsung or Western Digital NVMe drives

    I am planning to purchase NVMe hardware and I am planning to install FreeBSD on it (ZFS). My work is to try bhyve (linux, windows guests) and play with it. I would like to know, whether this NVMe based devices are supported. Thanks.
  2. agilestorage

    Urgently looking for temporary senior kernel developer

    We have a problem regarding a missing kernel- / driver-module for switchtec PM8546 NVMe switch and NTP bridge. Is anyone here who has ability to help us finishing the already started development work for the above listed task? This could not be finished because a external development company...
  3. S

    Other How to disable Volatile Write Cache in NVMe drive?

    Hi I'm on FreeBSD 12.1 with a M.2 NVMe card. nvmecontrol identify nvme0 NVM Command Set Attributes Volatile Write Cache: Present Many thanks. Best regards Sagara.
  4. patpro

    ZFS Best ashift for SAMSUNG MZVLB512HAJQ (PM981)

    Hello, I'm running a server with 4xSAS raidz plus 1xNVMe SSD (SAMSUNG MZVLB512HAJQ). The NVMe drive is split in 3 parts: # zpool status pool: nvme state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM nvme ONLINE 0 0 0...
  5. A

    Other Dualport NVMe

    I am trying to build a system using two nodes and dualport NVMe with PLX switch. It is necessary to set up a multipath, but there is little information and it is difficult. Is there a way to set up multipath with the NVME controller of another node? I think we need NTB, There is not much...
  6. stratacast1

    Solved Error 22 installing to NVMe SSD

    I have a Ryzen 3600 and Gigabyte X470 Aorus Ultra Gaming motherboard with a Western Digital SN750 NVMe SSD I'm trying to install FreeBSD 12.1-RELEASE to. I've tried both UEFI and non-UEFI installs and I would get passed the boot loader, but I eventually get to the <mountroot> prompt with error...
  7. patpro

    Solved 2.5" HDD, what's the best choice?

    Hello, I'm contemplating the idea of a replacement for my currently hosted 1U server. This server holds 4x 3.5" HDD and 1x 2.5" SSD, with this topology: - first zpool ZRAID1 mirror 2x 1To + SSD L2ARC - second zpool ZRAID1 mirror 2x 2To My ideal next server would have 8x 2.5" SATA slots, and 1x...
  8. K

    Other What is the minimum component required to enable NVMe

    I am working on embedded project based on freebsd. It is looking into having a NVMe device. I am newbie for freebsd. Based on the handbook, the Freebsd doesn't support the block layer as Linux does. I am assuming the file system driver (example, ext2fs) will be able to mount with NVMe driver...
  9. H

    Other List of NVMe (m.2 PCIe) SSDs that reportedly work with FreeBSD

    Currently FreeBSD has some bug with NVMe drives. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211713 As I gather information about this issue, I'd like to share a comprehensive list of SSDs. - Ones that reportedly work Intel 600p 59429 Toshiba XG3 58170 Samsung 950 PRO 58170 Samsung...
  10. C

    UFS Workload generators - huge performance variant

    While using two different I/O generators, I'm seeing a huge performance difference. I'm hoping someone may know why. My guess is, the I/O path through the stack may be vastly different between the two tools. Drive: PCIe HHHL, 3.2TB NVMe Link: x4 PCIe 3.0 Driver: FreeBSD 10.3 nvme inbox Tools...