Tag: zfs

  • Slow iSCSI performance on ZFS Volumes (zvol)

    TL;DR: For reasons, don’t use ZVOLs for iSCSI volumes. Instead, just use a generic file. I’ve been reorganizing my lab a bit to consolidate some storage and wanted to experiment with iSCSI. I thought “wow, what a great use-case for ZFS ZVOLS…”. If you recall, ZFS has the ability to create block devices called ZVOLs.…

  • Using zxfer to backup ZFS pools

    I was recently looking for an easy way to backup some FreeBSD jails I have running various services. With the jails residing on top of ZFS (using iocage), a quick Google search turned up the usual zfs ‘send’ and ‘receive’ mixed with miscellaneous pipes and redirection. Having wrote several backup scripts in the past, they…