Richard Elling

ok, so we agree we should treat both zpool.sh and zfs.sh as optional for linux?

Actually, looking for /sbin/zpool doesn't work perfectly in Linux-land because, for example, Ubuntu ships the zpool command in an optional package: zfsutils-linux. Though it is possible to use zfs without...

/proc/spl is sufficient as the spl driver is required for zfs and there is no other use for spl. Another alternative is searching for the zfs kernel module `modprobe zfs`...

egads, too many years in Solaris, that should be ```modinfo zfs``` :-)

We did a design for this a few lives back. The arc.c changes are minor and relatively easy to implement and test. The hard part is managing a new spa...

Hi Roman, I might have another reproducer for a similar issue. Can you add the ereport?

FMA ereport. On illumos `fmdump -eV` or ZoL `zpool events -v`

!?! every checksum error should also generate an ereport. Does your build include 2bbec1c91 ?

As a workaround, does disabling ABD result in stable operation? https://github.com/zfsonlinux/zfs/wiki/ZFS-on-Linux-Module-Parameters#zfs_abd_scatter_enabled

In general, it is unlikely that merging will benefit overall performance. However, concurrency is important and has changed during the 0.7 evolution. Unfortunately, AFIAK, there is no comprehensive study on...