kernel Cannot send, host process disconnected: Linux 15871 suid: 1 kernel rt__dpoll: correcting a failed aio_return with 0 for

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昨天在使用bcp 备份数据时总是提示如下错误并且每次只能导出几个大表的数据，这让我很是奇怪，一连尝试了好几次都没有成功。

00:00000:00053:2007/07/23 09:07:14.25 kernel Cannot send, host process disconnected: Linux 15871 suid: 1
00:00000:00056:2007/07/23 09:07:14.37 kernel Cannot send, host process disconnected: Linux 15875 suid: 1
00:00000:00058:2007/07/23 09:07:14.39 kernel Cannot send, host process disconnected: Linux 15877 suid: 1
00:00000:00060:2007/07/23 09:07:14.41 kernel Cannot send, host process disconnected: Linux 15879 suid: 1

后来数据库提示临时数据库 tempdb的大小不足，我打算分配2个G的空间给他时发现分配空间也总是失败，察看日至后我才明白：原来是设备文件被用光了，发现问题后事情就好办多了利用yast的分区工具从新划分一个100G的空间出来把备份目录和新的设备文件都建立到了新的分区上，然后就 Things couldn't be better!

00:00000:00000:2007/07/24 02:20:14.86 kernel rt__dpoll: correcting a failed aio_return with 0 for 0 bytes
00:00000:00000:2007/07/24 02:20:14.86 kernel rt__dpoll: correcting a failed aio_return with 0 for 0 bytes