ZFS Undo offlining of a RAIDZ1 drive (without rebuild)?

M

Martin.B

I run an old HP N40L XigmaNAS box with a RAIDZ1 consisting of 3 WD Red 4TB drives.
The ada1 drive showed some SMART errors, so I decided to replace that drive.
Setting the drive offline, the pool showed the status "DEGRADED" as expected.
But after shutting down the system and replacing that drive with a new one,
the pool did not show up again. Shutting down again and checking the drives
on a Linux system, ada3 now doesn't show up. It seems the drive is spinning up,
but nothing is seen in dmesg, so the drive is not recognized...

Since ada1 and ada2 still should contain (all?) data, the question is
how to "undo the offline" of ada1 to get a degregaded RAIDZ1 with 2 disks
to make that pool "visible" again. Is that possible?

Thanks,
Martin

P.S.: If this is the wrong forum, can you please point me to the right one?
 
Thanks for that link, but I read that before...

I don't think that XigmaNAS offers a solution within its interface
(and didn't find a vital XigmaNAS forum - the link in the post seems to point to the same dead forum I also found before),
so most likely I have to log in via ssh and use the FreeBSD command line utilities
(which I think should be mostly identical to using a "pure" FreeBSD system).

But I have to admit that the problem is really not related to FreeBSD.
I would also be happy to temporary attach/install the devices to another system
(e.g. running Linux) just to recover/save the data.
But which OS is best suited for ZFS? Some (Open)Solaris distribution?
Still you have to know what to do and I'll search for a "ZFS forum" with ZFS experts.
(maybe the OpenZFS discussions...)

Thank you and SORRY,
Martin
 
Martin.B said:
(and didn't find a vital XigmaNAS forum - the link in the post seems to point to the same dead forum I also found before),
Click to expand...
It's not a dead forum, you need to register before you can see anything there.
 
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