[sheepdog] [PATCH 2/2] sheep: forbid revival of orphan objects

[Valerio Pachera]

2014-12-16 15:07 GMT+01:00 Valerio Pachera <sirio81 at gmail.com>:
> It works fine!
...
> There's only this corner case to fix:
> all vdi are removed then and the disconnected node joins back the cluster

Please, notice that the same logic should apply to multi device:

create some vdi
unplug a disk
remove some vdi
plug back the disk

This still causes

Dec 16 15:10:16   INFO [main] recover_object_main(930) object recovery
progress  74%
Dec 16 15:10:16  ERROR [rw 30554] sheep_exec_req(1170) failed Network
error between sheep, remote address: 192.168.10.5:7000, op name:
READ_PEER
Dec 16 15:10:16  ERROR [rw 30553] sheep_exec_req(1170) failed Network
error between sheep, remote address: 192.168.10.5:7000, op name:
READ_PEER
Dec 16 15:10:16  ERROR [rw 30500] sheep_exec_req(1170) failed Network
error between sheep, remote address: 192.168.10.5:7000, op name:
READ_PEER
Dec 16 15:10:16  ERROR [rw 30500] sheep_exec_req(1170) failed Network
error between sheep, remote address: 192.168.10.4:7000, op name:
READ_PEER
Dec 16 15:10:16  ERROR [rw 30554] sheep_exec_req(1170) failed Network
error between sheep, remote address: 192.168.10.4:7000, op name:
READ_PEER
Dec 16 15:10:16  ALERT [rw 30500] recover_replication_object(419)
cannot access any replicas of fd32fc00000013 at epoch 2
Dec 16 15:10:16  ALERT [rw 30500] recover_replication_object(420)
clients may see old data
Dec 16 15:10:16  ERROR [rw 30500] recover_replication_object(427) can
not recover oid fd32fc00000013
Dec 16 15:10:16  ERROR [rw 30500] recover_object_work(600) failed to
recover object fd32fc00000013
Dec 16 15:10:16  ALERT [rw 30554] recover_replication_object(419)
cannot access any replicas of fd32fc0000000b at epoch 2
Dec 16 15:10:16  ALERT [rw 30554] recover_replication_object(420)
clients may see old data
Dec 16 15:10:16  ERROR [rw 30554] recover_replication_object(427) can
not recover oid fd32fc0000000b
Dec 16 15:10:16  ERROR [rw 30554] recover_object_work(600) failed to
recover object fd32fc0000000b
Dec 16 15:10:16  ERROR [rw 30553] sheep_exec_req(1170) failed Network
error between sheep, remote address: 192.168.10.4:7000, op name:
READ_PEER
Dec 16 15:10:16  ERROR [rw 30552] sheep_exec_req(1170) failed Network
error between sheep, remote address: 192.168.10.5:7000, op name:
READ_PEER
Dec 16 15:10:16  ALERT [rw 30553] recover_replication_object(419)
cannot access any replicas of fd32fc00000012 at epoch 2
Dec 16 15:10:16  ALERT [rw 30553] recover_replication_object(420)
clients may see old data
Dec 16 15:10:16  ERROR [rw 30553] recover_replication_object(427) can
not recover oid fd32fc00000012
Dec 16 15:10:16  ERROR [rw 30553] recover_object_work(600) failed to
recover object fd32fc00000012

Notice I'm not using the option --enable-diskvnodes.

Thank you.