[volunteergrid2-l] Object Health

[Iantcho Vassilev]

My value is still 365 days..

Should we change?


Iantcho

On Tue, Jul 10, 2012 at 12:34 AM, Brad Rupp <bradrupp at gmail.com> wrote:
> Hmmm.  I remember the discussion, but I don't remember ever coming to a
> consensus.  My two nodes are still at 365 days.
>
> Even still, 90 days is not going to cause this problem.  At most, the
> objects are only 30 days old.
>
> Brad
>
>
> On 7/9/2012 3:30 PM, Shawn Willden wrote:
>>
>> I think we decided a while ago to change that to 90 days.
>>
>> On Mon, Jul 9, 2012 at 3:19 PM, Brad Rupp <bradrupp at gmail.com
>> <mailto:bradrupp at gmail.com>> wrote:
>>
>>     The tahoe-dev folks are asking if servers on the grid were doing
>>     expiration.  I don't think so, but I thought I would ask to make sure.
>>
>>     I assume all nodes on VG2 are still configured with 365 day leases.
>>     Does anyone have nodes that don't have this?
>>
>>     Thanks,
>>
>>     Brad
>>
>>
>>     On 7/5/2012 4:36 PM, Shawn Willden wrote:
>>
>>         I think this is a question for tahoe-dev.
>>
>>         On Thu, Jul 5, 2012 at 4:15 PM, Brad Rupp <bradrupp at gmail.com
>>         <mailto:bradrupp at gmail.com>
>>         <mailto:bradrupp at gmail.com <mailto:bradrupp at gmail.com>>> wrote:
>>
>>              Greetings VG2 friends,
>>
>>              I have a question about object health in Tahoe.  If I run two
>>              repairs, one right after another, the second repair quite
>>         often has
>>              unhealthy objects.  I have not backed up any files to the
>> grid
>>              between these two repairs.  I would expect the second
>>         repair to not
>>              have any unhealthy objects.
>>
>>              I am running the following command:
>>
>>              ~/tahoe/bin/tahoe deep-check --repair --verbose my-alias:
>>
>>              The output from repair #1:
>>
>>              repair successful
>>              done: 11801 objects checked
>>                pre-repair: 11725 healthy, 76 unhealthy
>>                76 repairs attempted, 76 successful, 0 failed
>>                post-repair: 11801 healthy, 0 unhealthy
>>
>>              The output from repair #2:
>>              done: 11801 objects checked
>>                pre-repair: 11789 healthy, 12 unhealthy
>>                12 repairs attempted, 11 successful, 1 failed
>>                post-repair: 11800 healthy, 1 unhealthy
>>
>>              As you can see, the first repair found and fixed 76 unhealthy
>>              objects. The second repair, approximately 12 hours later,
>>         found 12
>>              unhealthy objects and fixed 11 of them.
>>
>>              Why would the second repair find 12 unhealthy objects?  I
>>         would have
>>              expected it to find 0 unhealthy objects given that the
>>         first repair
>>              was performed only 12 hours earlier.
>>
>>              This is just one repair run out of many.  I can
>>         consistently get
>>              similar results.  I guess the deeper question is are the
>>         objects
>>              stored in Tahoe safe?  Or when I really need them due to a
>>              catastrophic event will I lose a handful of objects due to
>>         this?
>>
>>              Regards,
>>
>>              Brad
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>>         --
>>         Shawn
>>
>>
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>> --
>> Shawn
>>
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