[OmniOS-discuss] assertion failed for thread / omnios r12

[Richard Elling]

> On Jan 9, 2015, at 1:33 PM, Randy S <sim.ple at live.nl> wrote:
> 
> Hi all, 
> 
> Maybe this has been covered already (I saw a bug about this so I thought this occurence should not be present in omnios r12) but when I do a zdb -d rpool after having upgraded the rpool to the latest version, I get a :
> assertion failed for thread 0xfffffd7fff162a40, thread-id 1: spa_writeable(vd->vdev_spa), file ../../../uts/common/fs/zfs/vdev.c, line 1566
> 
> What can have caused this. 

Its a bug, zdb doesn't open the pool for writing, so it can't be writable.

> 
> zpool upgrade rpool
> This system supports ZFS pool feature flags.
> 
> Enabled the following features on 'rpool':
>   lz4_compress
>   multi_vdev_crash_dump
>   spacemap_histogram
>   enabled_txg
>   hole_birth
>   extensible_dataset
>   embedded_data
>   bookmarks
>   filesystem_limits
> 
> Is there a way I can disable this spacemap feature after having done the upgrade?
> It seems that Bug #5165 (https://www.illumos.org/issues/5165) is still in there. 

yep

zdb is intended for debugging and isn't guaranteed to run successfully on imported
pools. There is likely some other way to get the info your looking for... so what are 
you looking for?
 -- richard


> 
> Regards,
> 
> R
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