Hi, On 11.12.2017 15:27, Miguel González wrote: >> Also keep in mind: A sparse volume only stays sparse if trim/discard is used! > > How do I use trim/discard? Has this to be set in guest level, right?
https://pve.proxmox.com/wiki/Qemu_trim/discard_and_virtio_scsi >> volblocksize is important: ZFS is using 8k as default. For ZFS filesystem a >> recordsize of 128K is used. > > Can I change recordsize to 128K after creation or do I need to create a > new zpool for that? Play and learn: zfs set volblocksize=16K zpool/vm-zvols/test cannot set property for 'zpool/vm-zvols/test': 'volblocksize' is readonly You really should read 'man zfs' Andreas _______________________________________________ pve-user mailing list [email protected] https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
