Hi,

I finaly managed to delete the bucket,
I wrote a script that reads the omap keys from the bucket index
and deletes every key without a matching object on the data pool.

Not sure if this has any negative repercussions, but after the script deleted 
thousands of keys from the index,
i was able to delete the bucket with:

radosgw-admin --id radosgw.rgw bucket rm --bucket my-bucket --bypass-gc 
--purge-objects

I have started an "orpands find" process, to clean up any remaining objects.

I suspect that automatic resharding somehow lead to this problem, maybe there 
is something wrong with handling multiparts.

I had a handful of normal, but 800k multipart objects, the index had only 2 
shards (should be around 16 I think).
Radosgw frequently triggerd resharding of this index, but the new index allso 
only had 2 shards.

Maybe something goes wrong when multipart uploads are aborted/completed during 
resharding?


Micha Krause


On 04.04.2018 16:14, Micha Krause wrote:
Hi,

I have a Bucket with multiple broken multipart uploads, which can't be aborted.

radosgw-admin bucket check shows thousands of _multipart_ objects, 
unfortunately the --fix and --check-objects don't change anything.

I decided to get rid of the bucket completely, but even this command:

radosgw-admin --id radosgw.rgw bucket rm --bucket my-bucket 
--inconsistent-index --yes-i-really-mean-it --bypass-gc --purge-objects

Is not able to do it, and shows:

7fe7cdceab80 -1 ERROR: unable to remove bucket(2) No such file or directory

--debug-ms=1 shows that the error occurs after:

2018-04-04 15:59:58.884901 7f6f500c5700  1 -- 10.210.64.16:0/772895100 <== 
osd.458 10.210.34.34:6804/2673 1 ==== osd_op_reply(13121
   
default.193458319.2__multipart_my/object.2~p8vFLOvgFKMGOSLeEc8WGT2Bgw5ehg9.meta 
[omap-get-vals] v0'0 uv0 ondisk = -2 ((2) No such file or directory))
   v8 ==== 346+0+0 (2461758253 0 0) 0x7f6f48268ba0 con 0x5626ec47ee20

And indeed when I try to get the object with the rados get command, it also shows 
"No such file or directory"

I tried to

rados put -p .rgw.buckets 
default.193458319.2__multipart_my/object.2~p8vFLOvgFKMGOSLeEc8WGT2Bgw5ehg9.meta 
emptyfile

in it's place, but the error stays the same.

Any ideas how I can get rid of my bucket?


Micha Krause
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