fragmentation

  1. S

    How are people handling ceph v19 osd fragmentation?

    When we first upgraded to Proxmox v9 and Ceph v19 we changed the fragmentation threshold from 8 to 9 to mute a bunch of health warnings. But now an OSD is actually over 0.9, which according to some sources could be considered serious. And of course it sets our entire cluster into HEALTH_WARN...
  2. M

    ZFS - Massive Pool Fragmentation

    I have a pool made up of 4x NVMe drives, each with a capacity of 960GB, and two VDEVS each with a two-way mirror. The filesystem containing my VMs have a record size property of 64k, while the pool's ashift size is 12. Other than the massive fragmentation the pool is showing, I see a pretty...
  3. C

    [SOLVED] Thin Provisioning and Fragmentation

    Hi Everyone, I've been reading several forum posts in regards to Thin Provisioning and Fragmentation of the disks and I have several questions below. 1. What is the BEST METHOD for preventing Fragmentation while keeping Thin Provisioning. Is there a specific file system and VM file format that...
  4. A

    Memory spikes win 2022 trying to defragment a 1TB disk

    Hi, I have a mv with windows 2022 in pve 7.3-3, a week ago I added a 1TB disk, but the operating system eats all the RAM, when entering the OS I identified that what is eating the memory is a process that tries to deframe the disk I have been adding to the RAM but it always has the same...
  5. N

    3 node CEPH hyperconverged cluster fragmentation.

    Proxmox = 6.4-8 CEPH = 15.2.13 Nodes = 3 Network = 2x100G / node Disk = nvme Samsung PM-1733 MZWLJ3T8HBLS 4TB nvme Samsung PM-1733 MZWLJ1T9HBJR 2TB CPU = EPYC 7252 CEPH pools = 2 separate pools for each disk type and each disk spliced in 2 OSD's Replica = 3 VM don't do many...