Dangit, the #FreeBSD installer foiling me again. Trying to install onto a zfs root mirror, choosing "Force 4k Sectors" (the default) says "gpart: Invalid alignment param: Invalid argument". Turning _off_ forced 4k sectors says "newfs_msdos: Invalid bytes/sector (520): must be 512, 1024, 2048, or 4096".
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5Now I got it partitioned, but screwed up the networking. Now it won't let me re-partition on the next go-around. 
Making progress. Got my main zpool imported and trying to reproduce what I tested working to move VMs to vm-bhyve and instead:
```
GEOM_PART: integrity check failed (zvol/ztank/bhyve/stats/disk0p4, BSD)
```
Is there a nice recommended #FreeBSD daily / weekly / monthly job with things that TrueNAS did? Like regular smart short tests and zfs scrubs?
@AFresh1 wrt smart, actually I did this a few years ago on a customer project if nobody else knows better that's probably sufficient. I'm not up on smartmon tooling, YMMV. I just wait for the zpool scrubs to get angry.
https://gist.skunkwerks.at/dch/2c709cffb61b4e8ba1ed0bf17dfe5af4
@dch @AFresh1 I have never in my life seen SMART tell me something before a problem was detectable
ZFS will notice when something is up with a couple checksum errors or kicking it out of the pool. You might be able to put it back and it may very well scrub clean.
The kernel will definitely notice with CAM error / timeout / retry messages but by then you are probably already triaging the issue
IMHO, the only way to detect a failing disk early is to watch the IO latency. Once a disk falls out of the normal performance range it's time to send it to the farm upstate 💀
ZFS will notice when something is up with a couple checksum errors or kicking it out of the pool. You might be able to put it back and it may very well scrub clean.
The kernel will definitely notice with CAM error / timeout / retry messages but by then you are probably already triaging the issue
IMHO, the only way to detect a failing disk early is to watch the IO latency. Once a disk falls out of the normal performance range it's time to send it to the farm upstate 💀
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