with zfs raidz can I add an additional disk to the raid, like so? zpool add my_pool_name c2t2d0 ?

I have an existing raidz1 with 3 disks3.  Can one add a fourth, or do  you need to grow it by 2?  Alternatively, I could destroy and recreate it with 4 disks.

you need to re-create it with 4 disks

impossible to grow raidz1?

you can't grow raidz, you can also add redundancy

reddit.com/r/truenas/comments/17rm4…ds_exciting_raidz_expansion_feature but not in illumos.

so if your current set is 2+1, adding one will become 2+2. Probably not what you want

s/also/only

is that feature part of draid or actually for raidz?

raidz, see youtube.com/watch?v=tqyNHyq0LYM

ok, so it's in openzfs, but not illuminos zfs.  OK, and I _think_ one may need to add 2 at a time to grow it, in openzfs.

I'll recreate it thanks amigos.

about lx zones, the linux kernel is 4.4.  It's interesting.  There is no grub/boot.  Guessing the kernel 4.4 is maintained.  Would be interesting to learn more about it.

lx zones is all about resource management , like containers. You do not need full os to run few linux apps.

another weird question, uname -p says i386, which looks odd, is that correct?

In an LX zone, the zone configuration determines what the Linux version is reported as, you can set it to a different value if you have an application that's looking for something different

ah, ok.

I've had LX zones not run what I needed often enough that I don't even bother trying anymore (likely just the few things I wanted to run). I just use bhyve zones if I want linux. Most F/LOSS can be ran in a lx zone, anyway.

i like the idea of running an lxzone and passing through parts of the FS, rather then, doing an nfs export and a nfs mount when using bhyve.

You can also use 9p to share directories with a bhyve instance

Look for virtfs in the bhyve man page

oh, that's great, thanks.

szilard: bit of a late answer, but I think I used a short script in perl to delete old snapshots. I think my process was to look through the dates and keep a selection of things.

From memory the logic was something like: anything from the last 2 weeks, then every monday for 3 months, and every first monday of the month for the last year.

It didn't necessarily free up much space, but kept the number of snapshots to look through down.

m1ari: thanks!