[OpenIndiana-discuss] Zpool crashes system on reboot and import

[Stephan Budach]

Am 12.12.13 17:21, schrieb CJ Keist:
> I not able to set any attributes on ZFS FS's when the pool has been 
> imported as readonly:
>
> zpool import -o readonly=on data
>
> Not sure that is different from your command: "-o ro"
>
> zfs set readonly=on data/projects/ALP
> cannot set property for 'data/projects/ALP': dataset is read-only
Interesting. I am on S11, so that may differ. However, I can assure you, 
that this is the way I was dealing with this, when I had that issue, but 
that has been at least 430+ days ago.

>
>
>
> On 12/12/13, 9:06 AM, Udo Grabowski (IMK) wrote:
>> On 12/12/2013 16:14, Stephan Budach wrote:
>>> Am 12.12.13 15:18, schrieb Jim Klimov:
>>>> On 2013-12-12 14:38, Stephan Budach wrote:
>>>>> So basically, I am still running with this work around of setting the
>>>>> affected fs to read-only, before I export the zpool.
>>>>> This server is under constant load and I just don't have the time and
>>>>> resources to move all 370+ ZFS fs onto another storage.
>>>>
>>>> And how did you manage to set the read-only attribute the first time?
>>>> Were there any problems or tricks involved? As CJ suggested, one
>>>> wouldn't be able to do this on a pool imported read-only... did you
>>>> import it without mounts indeed?
>>>>
>>>> //Jim
>>>>
>>> You surely can set the readonly attribute for a ZFS fs on a read-only
>>> mounted zpool. Mounting the zpool readonly only seems to affect the
>>> global setting. It seems to possible to change the ZFS FS attributes
>>> without any issue. So the work around was…
>>>
>>> zpool import -o ro zpool
>>> zfs set readonly=on zpool/zfs
>>> zpool export zpool
>>> zpool import zpool
>>> zfs set readonly=off zpool/zfs
>>>
>>> This has always worked for me and it still does.
>>
>> Would be interesting to know under which cicumstances this problem
>> appears. I saw from one of the crash dumps that there was a scrub
>> active, could it be that this happens on servers which go down with
>> an active scrub on that pool and fail to reactivate the scrub then ?
>>
>>
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>> OpenIndiana-discuss at openindiana.org
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>>
>


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