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Date:      Thu, 03 Apr 2014 14:43:46 -0400
From:      Nikolai Lifanov <lifanov@mail.lifanov.com>
To:        Ryan Stone <rysto32@gmail.com>, Benjamin Kaduk <kaduk@mit.edu>
Cc:        FreeBSD Current <current@freebsd.org>
Subject:   Re: Boot fails @r264070
Message-ID:  <533DABE2.7080705@mail.lifanov.com>
In-Reply-To: <533DA790.5050802@mail.lifanov.com>
References:  <20140403160031.GD30431@albert.catwhisker.org> <alpine.GSO.1.10.1404031201500.21026@multics.mit.edu> <20140403162127.GE30431@albert.catwhisker.org> <alpine.GSO.1.10.1404031223040.21026@multics.mit.edu> <CAFMmRNwBi-Bp3LSUyyVT8u1i3Od8==Z26kXgSDZN1JsEs=WWjQ@mail.gmail.com> <533DA790.5050802@mail.lifanov.com>

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On 04/03/14 14:25, Nikolai Lifanov wrote:
> On 04/03/14 14:05, Ryan Stone wrote:
>> Can somebody please confirm whether setting hw.pci.enable_ari=0 in the
>> loader fixes the issue or not.  That will help me to figure out if the
>> issue is with ARI or if I have somehow broken PCI enumeration in
>> general (I suspect the later).
>> __________________
> 
> I already tried it.
> I can confirm that it does not help.
> 
> - Nikolai Lifanov
> 

In fact, here is what it looks like: the disk discovery skips the first
2 and enumerates the rest. Thankfully, this isn't my boot pool and
rebooting without ARI changes discovers every disk and imports it correctly.

$ sysctl hw.pci.enable_ari
hw.pci.enable_ari: 0
$ zpool status data
  pool: data
 state: UNAVAIL
status: One or more devices could not be opened.  There are insufficient
	replicas for the pool to continue functioning.
action: Attach the missing device and online it using 'zpool online'.
   see: http://illumos.org/msg/ZFS-8000-3C
  scan: none requested
config:

	NAME                     STATE     READ WRITE CKSUM
	data                     UNAVAIL      0     0     0
	  mirror-0               UNAVAIL      0     0     0
	    820204606399244410   UNAVAIL      0     0     0  was /dev/ada0
	    7129954888383586426  UNAVAIL      0     0     0  was /dev/ada1
	  mirror-1               ONLINE       0     0     0
	    ada0                 ONLINE       0     0     0
	    ada1                 ONLINE       0     0     0

- Nikolai Lifanov




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