[OpenIndiana-discuss] zpool errors a bit confusing

[oi.mail-list at gmx.com]

On 4/6/2014 7:50 AM, Harry Putnam wrote:
> "oi.mail-list at gmx.com" <oi.mail-list at gmx.com> writes:
>
>> On 4/5/2014 9:25 AM, Harry Putnam wrote:
>>> "oi.mail-list at gmx.com"  <oi.mail-list at gmx.com>  writes:
>>>
>>> [...]
>>>
>>>>>>> Can anyone else report having seen something like this?
>>>>>>>
>>>>>>> Can the fact of my setting all four of my current pools to be
>>>>>>> mountpointed under /p  have any bearing here?
>>>>>>>
>>>>>           You can try  doing this to see if it is able to  correct the
>>>>> problem:
>>>>> http://docs.oracle.com/cd/E19253-01/819-5461/gbbwl/index.html
>>> Looking at the examples shown there as types of errors one might get
>>> using `zpool status', I notice NONE of the examples show the
>>> corruption being listed as a directory.  All examples show actual end
>>> of the line filenames, accept those where the error says the pool is
>>> FAULTED.
>>>
>>> Have you ever seen a 'zpool status' output that showed only directory
>>> names as the corrupted 'files'?
>>>
>>> Is that unusual?
>>>
>>> I have no experience on which to draw.
>>>
>>>>>           My opinion is this  problem most likely occur because it was
>>>>> lacking redundancy.
>>>>>           and scrub was not often run.
>>> Can you specify what you actually mean by 'lacking redundancy'.
>>>
>>> And for the record, one of the pools showing the posted output was
>>> only 2 days old, so no... there had not been major scrubbing.....
>>>
>>> Even the oldest one showing problems was less than a week old.
>>       A fast summary,  ZFS redundacy; basically is when bad data is
>> found by zfs  it fetches a clean copy of the data from another
>> disk(mirrored) and repairs it with the correct data,etc.
>>
>>          If you have not already read this, I suggest reading "Oracle
>> Solaris Administration ZFS File system"
>> http://docs.oracle.com/cd/E23824_01/html/821-1448/gbscy.html#scrolltoc
>>
>>         I'm reading it myself and there are some things that are still
>> not clear:-)
> In answer to your previous post; yes all seems ok now.  I'm not sure
> if you noticed that my setup is a vbox vm running on windows7 host.
       I'm sorry, I did not noticed.  You were fortunate  it was 
repaired; i have read cases
       where some people were not as  fortunate and had to destroy and 
create again.

> Looking back; I actually think that problem was caused by me
> (ill-advisedly ) meddling with disks thru vbox.
>
> I wanted to spred my discs onto an external usb3 multi tb disk.
> My space on the windows main machine was getting tight.
>
> I may have made some blunder figuring out to do it.
>
> It can be done like this: Create disks in vbox on your oi vm.  Thru
> vbox, release then remove the disks (do not delete).  Now move those
> disks to the external drive.
>
> Back in vbox; use the disc creation dialog but instead of creating new
> discs choose to use existing discs.  Track down your discs on ext drive
> and select them.
>
> When you next fire up your oi vm, those discs will appear with
> 'format' and can be used as usual.
>
> One unexpected result is that vbox seems to create the same named
> discs under the normal directory for your vm discs....but they never
> grow beyond 4mb.  All the while the same named discs out on the ext
> drive may grow to whatever size was set when created.
> So, end result is, you have disc-10 under your vm disc directory and
> disc-10 out on the external.... the only one growing is on the
> external.  This all seems to work seamlessly with the oi OS.
>
> Must be something like a place marker that vbox finds necessary to
> create.
>
> Gack... enough about vbox....I got carried away... sorry
> -------        ---------       ---=---       ---------      --------

    No problem. I too use vbox for testing things out.
    and i like reading  on vbox.
>
> Thanks for the input.
>
> I've been going to that source documentation you cited sort of as
> needed.  Usually reading a bit more each time.... so slowly boning up a bit
     Welcome...


>
>
>
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