CloudOS E3104前台页面登录报错：502

共3个节点，

节点1的etcd2服务无法启动，怀疑是于 ETCD 存储数据文件在节点重启后损坏或者文件丢失，E3104版本，如何修复？

Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 etcd[323212]: listening for client requests on 0.0.0.0:2379 Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 ionice[323212]: panic: freepages: failed to get all reachable pages (page 4913761729289138258: out of bounds: 37786) Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 ionice[323212]: goroutine 113 [running]: Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 ionice[323212]: github.com/coreos/etcd/cmd/vendor/github.com/coreos/bbolt.(*DB).freepages.func2(0xc4202a0120) Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 ionice[323212]: /tmp/etcd-release-3.3.11/etcd/release/etcd/gopath/src/github.com/coreos/etcd/cmd/vendor/github.com/coreos/bbol Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 ionice[323212]: created by github.com/coreos/etcd/cmd/vendor/github.com/coreos/bbolt.(*DB).freepages Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 ionice[323212]: /tmp/etcd-release-3.3.11/etcd/release/etcd/gopath/src/github.com/coreos/etcd/cmd/vendor/github.com/coreos/bbol Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 systemd[1]: etcd2.service: main process exited, code=exited, status=2/INVALIDARGUMENT Jul 13 10:34:00 BFI-5F-01-CloudOS-UIS3010-01 systemd[1]: Failed to start Etcd2 Server.