[OpenIndiana-discuss] Errors without errors

[Toomas Soome]

> On 5. Aug 2021, at 09:35, Michelle <michelle at msknight.com> wrote:
> 
> Hi Folks,
> 
> About a month ago I updated my Hipster...
> SunOS jaguar 5.11 illumos-ca706442e6 i86pc i386 i86pc
> 
> This morning it was absolutely crawling. Couldn't even connect via SSH
> and had to bounce the box.
> 
> It was reporting a drive as faulted, but didn't give any numbers...
> everything was 0. I'm now not sure what happened and whether the drive
> is good, or whether I should roll back the OS.
> 
> (and the drive WD Red 6TB (not shingle) went out of warrantee a week
> ago. How about that, eh?)
> 
> Grateful for any opinions please.
> 
> Thu  5 Aug 04:00:01 UTC 2021
> NAME   SIZE  ALLOC   FREE  CKPOINT  EXPANDSZ   FRAG    CAP  DEDUP    HE
> ALTH  ALTROOT
> lion  5.45T  5.28T   176G        -         -     4%    96%  1.00x  DEGR
> ADED  -
>  pool: jaguar
> state: DEGRADED
> status: One or more devices are faulted in response to persistent
> errors.
> 	Sufficient replicas exist for the pool to continue functioning
> in a
> 	degraded state.
> action: Replace the faulted device, or use 'zpool clear' to mark the
> device
> 	repaired.
>  scan: scrub in progress since Thu Aug  5 00:00:00 2021
> 	6.00T scanned at 428M/s, 5.02T issued at 358M/s, 7.90T total
> 	1M repaired, 63.59% done, 0 days 02:20:17 to go
> config:
> 	NAME        STATE     READ WRITE CKSUM
> 	jaguar      DEGRADED     0     0     0
> 	  raidz1-0  DEGRADED     0     0     0
> 	    c6t0d0  ONLINE       0     0     0
> 	    c6t2d0  ONLINE       0     0     0
> 	    c6t3d0  FAULTED      0     0     0  too many
> errors  (repairing)
> 

Can you postoutput from: 
iostat -En
fmadm faulty

in any case, there definitely is bug about error reporting - counters are zero while “too many errors” is reported.

rgds,
toomas