Re: Paxos and long-lasting deleted data

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http://xdel.ru/downloads/ceph-log/rados-out.txt.gz


On Thu, Jan 31, 2013 at 10:31 PM, Gregory Farnum <greg@xxxxxxxxxxx> wrote:
> Can you pastebin the output of "rados -p rbd ls"?
>
> On Thu, Jan 31, 2013 at 10:17 AM, Andrey Korolyov <andrey@xxxxxxx> wrote:
>> Hi,
>>
>> Please take a look, this data remains for days and seems not to be
>> deleted in future too:
>>
>> pool name       category                 KB      objects       clones
>>    degraded      unfound           rd        rd KB           wr
>> wr KB
>> data            -                          0            0            0
>>            0           0            0            0            0
>>     0
>> install         -                   15736833         3856            0
>>            0           0           16            3       464648
>> 60970390
>> metadata        -                          0            0            0
>>            0           0            0            0            0
>>     0
>> prod-rack0      -                  364027905        88895            0
>>            0           0           32            0       267626
>> 689034186
>> rbd             -                    4194305         1027            0
>>            0           0            4            1        11269
>> 25165828
>>   total used      6900914368        93778
>>   total avail    18335469376
>>   total space    25236383744
>>
>> for pool in $(rados lspools) ; do rbd ls -l $pool ; done | grep -v
>> SIZE | awk '{ sum += $2} END { print sum }'
>> rbd: pool data doesn't contain rbd images
>> rbd: pool metadata doesn't contain rbd images
>> 526360
>>
>> I have same thing before, but not so contrast as there. Cluster was
>> put on moderate failure test, dropping one or two osds at once under
>> I/O pressure with replication factor three.

>Just wondering if there was something else you wanted to discuss on your email given the email subject. Wanted by any >chance discuss anything regarding Paxos?

Sorry, please nevermind, just thought about paxos-like behavior and
suddenly put that in a title, instead of ``osd data placement''.

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