Does OpenZFS support external hard disk enclosures?

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Does OpenZFS support external hard disk enclosures?

Postby seanm » Mon Aug 26, 2019 1:36 pm

I have a ZFS formatted hard disk (created on a FreeNAS) that I'm trying to access from my Mac. If I connect the disk internally (it's a MacPro5,1) then all is well. But I've tried two different disk enclosures now and via them 'zpool list' shows 'no pools available'. Both enclosures support FireWire 800 and USB 3 and I've tried both interfaces, so that's 4 combinations total, and in no case can I see the disk.

Am I just unlucky with my enclosures, or...?
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Re: Does OpenZFS support external hard disk enclosures?

Postby lundman » Mon Aug 26, 2019 3:56 pm

You should run "zpool import" to list the importable pools. The "zpool list" command only work after the pools have been imported.
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Re: Does OpenZFS support external hard disk enclosures?

Postby seanm » Mon Aug 26, 2019 4:11 pm

Ah, that worked, thanks! Why is in not necessary when the disk in added internally?
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Re: Does OpenZFS support external hard disk enclosures?

Postby lundman » Tue Aug 27, 2019 3:53 pm

It could be the auto-import script runs before any external disks are probed? I'm unsure, you'd have to debug it further - as a quick check, you could put in a "sleep 10" or something in the auto-import script and see if it helps.
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