信息系统错误：pipe2：docker build上打开的文件太多

我试图build立一个docker文件，但我得到这个：

信息[8]系统错误：pipe2：打开的文件太多

docker信息：

Containers: 7 Images: 484 Storage Driver: devicemapper Pool Name: docker-8:3-795388-pool Pool Blocksize: 65.54 kB Backing Filesystem: extfs Data file: Metadata file: Data Space Used: 19.21 GB Data Space Total: 107.4 GB Data Space Available: 88.16 GB Metadata Space Used: 26.91 MB Metadata Space Total: 2.147 GB Metadata Space Available: 2.121 GB Udev Sync Supported: true Library Version: 1.02.89-RHEL6 (2014-09-01) Execution Driver: native-0.2 Kernel Version: 2.6.32-504.16.2.el6.x86_64 Operating System: <unknown> CPUs: 8 Total Memory: 7.687 GiB 

docker版本：

 Client version: 1.6.2 Client API version: 1.18 Go version (client): go1.4.2 Git commit (client): 7c8fca2/1.6.2 OS/Arch (client): linux/amd64 Server version: 1.6.2 Server API version: 1.18 Go version (server): go1.4.2 Git commit (server): 7c8fca2/1.6.2 OS/Arch (server): linux/amd64 

任何想法我怎么能解决它？

Answer 1

尝试删除所有未标记的图像：

 sudo docker images -a | grep '<none>' | awk '{print $3}' | xargs sudo docker rm 

并重新启动Docker本身：

 sudo service docker restart