回滚以前正常运行的系统，还是不成功，咋整啊？求救啊

昨天下午网站挂掉了，不知什么原因
今天重新回滚到前几天的快照，还是不成功，但是实际上前几天网站还是运行很正常的啊，这怎么回事啊。
我的网站才运行了不到一个月，这么快都挂成这样了，我还怎么搞下去啊。
150430 12:38:08 mysqld_safe Starting mysqld daemon with databases from /alidata/server/mysql/data
2015-04-30 12:38:09 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-04-30 12:38:09 1286 [Note] Plugin 'FEDERATED' is disabled.
2015-04-30 12:38:09 1286 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-04-30 12:38:09 1286 [Note] InnoDB: The InnoDB memory heap is disabled
2015-04-30 12:38:09 1286 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2015-04-30 12:38:09 1286 [Note] InnoDB: Memory barrier is not used
2015-04-30 12:38:09 1286 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-04-30 12:38:09 1286 [Note] InnoDB: Using Linux native AIO
2015-04-30 12:38:09 1286 [Note] InnoDB: Using CPU crc32 instructions
2015-04-30 12:38:09 1286 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2015-04-30 12:38:09 1286 [Note] InnoDB: Completed initialization of buffer pool
2015-04-30 12:38:09 1286 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created!
2015-04-30 12:38:09 1286 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB
2015-04-30 12:38:09 1286 [Note] InnoDB: Database physically writes the file full: wait...
2015-04-30 12:38:09 1286 [ERROR] InnoDB: Cannot create ./ib_logfile101
2015-04-30 12:38:09 1286 [ERROR] Plugin 'InnoDB' init function returned error.
2015-04-30 12:38:09 1286 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2015-04-30 12:38:09 1286 [ERROR] Unknown/unsupported storage engine: InnoDB
2015-04-30 12:38:09 1286 [ERROR] Aborting

2015-04-30 12:38:09 1286 [Note] Binlog end
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'partition'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'BLACKHOLE'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_METRICS'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2015-04-30 12:38:09 1286 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'