Hi Kefu
Since a few days there is a difference in the output of bluestore_bdev_t
in ceph-dencoder.
And it looks like the buffer is eihter too long, or not properly zero-ed
out.
the encode/decode stuff has not been touched for a while.
But if it uses the pre-initialized test-label, this work out oke.
Dump_json actually also reports identical results.
So I guess it is somewhere in other code that manages the buffers??
Suggestions as how to debug it?
--WjW
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> build/bin/ceph-dencoder type
bluestore_bdev_label_t select_test 1 encode export /tmp/typ-yFISvjvgj
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> hexdump -C !$
hexdump -C /tmp/typ-yFISvjvgj
00000000 62 6c 75 65 73 74 6f 72 65 20 62 6c 6f 63 6b 20 |bluestore
block |
00000010 64 65 76 69 63 65 0a 30 30 30 30 30 30 30 30 2d
|device.00000000-|
00000020 30 30 30 30 2d 30 30 30 30 2d 30 30 30 30 2d 30
|0000-0000-0000-0|
00000030 30 30 30 30 30 30 30 30 30 30 30 0a 02 01 28 00
|00000000000...(.|
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|................|
00000050 00 00 70 74 03 04 00 00 00 00 00 00 00 00 00 00
|..pt............|
00000060 00 00 00 00 00 00 00 00 00 00 |..........|
0000006a
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> build/bin/ceph-dencoder type
bluestore_bdev_label_t select_test 1 encode decode encode export
/tmp/typ-MjWXdCpzJ
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> hexdump -C !$
hexdump -C /tmp/typ-MjWXdCpzJ
00000000 62 6c 75 65 73 74 6f 72 65 20 62 6c 6f 63 6b 20 |bluestore
block |
00000010 64 65 76 69 63 65 0a 30 30 30 30 30 30 30 30 2d
|device.00000000-|
00000020 30 30 30 30 2d 30 30 30 30 2d 30 30 30 30 2d 30
|0000-0000-0000-0|
00000030 30 30 30 30 30 30 30 30 30 30 30 0a 02 01 28 00
|00000000000...(.|
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|................|
00000050 00 00 73 64 00 00 00 00 00 00 00 00 00 00 00 00
|..sd............|
00000060 00 00 00 00 00 00 00 00 00 00 |..........|
0000006a
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> build/bin/ceph-dencoder type
bluestore_bdev_label_t select_test 2 encode decode encode export /tmp/test
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> hexdump -C /tmp/test
00000000 62 6c 75 65 73 74 6f 72 65 20 62 6c 6f 63 6b 20 |bluestore
block |
00000010 64 65 76 69 63 65 0a 30 30 30 30 30 30 30 30 2d
|device.00000000-|
00000020 30 30 30 30 2d 30 30 30 30 2d 30 30 30 30 2d 30
|0000-0000-0000-0|
00000030 30 30 30 30 30 30 30 30 30 30 30 0a 02 01 3b 00
|00000000000...;.|
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|................|
00000050 00 00 7b 00 00 00 00 00 00 00 04 00 00 00 05 00
|..{.............|
00000060 00 00 05 00 00 00 66 61 6b 65 79 01 00 00 00 03
|......fakey.....|
00000070 00 00 00 66 6f 6f 03 00 00 00 62 61 72 |...foo....bar|
0000007d
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> build/bin/ceph-dencoder type
bluestore_bdev_label_t select_test 2 encode export /tmp/test2
[~/master36] wjw@xxxxxxxxxxxxxxxxxxx> hexdump -C /tmp/test2
00000000 62 6c 75 65 73 74 6f 72 65 20 62 6c 6f 63 6b 20 |bluestore
block |
00000010 64 65 76 69 63 65 0a 30 30 30 30 30 30 30 30 2d
|device.00000000-|
00000020 30 30 30 30 2d 30 30 30 30 2d 30 30 30 30 2d 30
|0000-0000-0000-0|
00000030 30 30 30 30 30 30 30 30 30 30 30 0a 02 01 3b 00
|00000000000...;.|
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|................|
00000050 00 00 7b 00 00 00 00 00 00 00 04 00 00 00 05 00
|..{.............|
00000060 00 00 05 00 00 00 66 61 6b 65 79 01 00 00 00 03
|......fakey.....|
00000070 00 00 00 66 6f 6f 03 00 00 00 62 61 72 |...foo....bar|
0000007d
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