Hmm, despite having managed to disable zones/dump, and delete the fs, I
still get a
errors: Permanent errors have been detected in the following files:
<0x28>:<0x1>
Sadly I think the fact the feature is now active, is a 1-way portal and
I'm screwed unless that feature gets implemented in the linux
implementation (not holding my breath, linux doesn't dump that way..).
>>
> You could avoid the pain by not downgrading to Linux....
>
>
I know it's not what you want to hear, but we're viewing it as an upgrade.
When we started, zfs and zones were highly compelling, and linux had
neither (well, that were usable). Today there's zfs support and docker
(which as injected some life into LXC), with stable APIs, that third-party
software supports (cf: smartos KVM, that I can't use libvirt to talk to..).
The nail in the coffin for us, however, is it's just too unreliable (for
us) in production. Our host box goes down when it's put under any kind of
light stress (where down == locks solid, dead, no I/O, nuthin'), and my
confidence was pretty damaged when I discovered I can repeatably lock solid
in similar fashion a fresh install with 2Gb RAM by compiling a kernel. You
can demonstrate this repeatably with VMWare. I count that as pretty
unacceptable for a modern OS.
If we were running at scale, or had a support contract with someone, or an
array of experts - we could probably find out why this was the case, and
learn which knobs to twiddle - but we don't, and I don't have the time any
more to be a pioneer.. ;-)
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