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translated/tech/20150126 How To Kill All Processes Of A Specific User With slay.md
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@ -42,7 +42,7 @@ slay在大多数发行版中都有官方仓库。
via: http://www.unixmen.com/kill-processes-specific-user-slay/
作者：[ Enock Seth Nyamador][a]
译者：[译者ID](https://github.com/译者ID)
译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出

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sources/tech/20150126 How to Add a New Hard Disk Without Rebooting on CentOS 7 or RHEL 7.md → translated/tech/20150126 How to Add a New Hard Disk Without Rebooting on CentOS 7 or RHEL 7.md
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@ -1,14 +1,12 @@
Translating---geekpi
How to Add a New Hard Disk Without Rebooting on CentOS 7/ RHEL 7
如何不用重启在CentOS 7/ RHEL 7中添加一块新硬盘
================================================================================
Normally when you have added new storage to a running Virtual machine, you probably won’t see the new storage automatically. This is because the SCSI bus to which the storage devices are connected needs to be rescanned to make the new hardware visible. The is one simple command to rescan the SCSI Bus and add SCSI Devices. The following steps has been tested on CentOS 7 and RHEL 7.
通常在你在虚拟机中添加一块新硬盘时，你可能会看到新硬盘没有自动加载。这是因为连接到硬盘的SCSI总线需要重新扫描来使得新硬盘可见。这里有一个简单的命令来重新扫描SCSI总线和SCSI设备。下面这几步在CentOS 7 和RHEL 7 中测试过。
1. Add the new 20GB from the ESXi or vCenter :
1. 在ESXi或者vCenter中添加一块新的20G硬盘：
![](http://www.ehowstuff.com/wp-content/uploads/2015/01/Create-new-LVM-CentOS7-1.png)
2. Show current disk and partition :
2. 显示当前磁盘分区：
[root@centos7 ~]# fdisk -l
@ -36,18 +34,18 @@ Normally when you have added new storage to a running Virtual machine, you proba
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
3. Identify host bus number :
3. 确定主机总线号
[root@centos7 ~]# ls /sys/class/scsi_host/
host0 host1 host2
4. Rescan the SCSI Bus to Add a SCSI Devices :
4. 重新扫描SCSI总线来添加设备
[root@centos7 ~]# echo "- - -" > /sys/class/scsi_host/host0/scan
[root@centos7 ~]# echo "- - -" > /sys/class/scsi_host/host1/scan
[root@centos7 ~]# echo "- - -" > /sys/class/scsi_host/host2/scan
5. Verify the disk and partiton and make sure 20GB has been added. In this case, the following line appeared “Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 sectors” and confirmed that 20GB has been added without reboot the server :
5. 验证磁盘和分区并确保20GB硬盘已经添加了。在本例中，出现了下面这行 “Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 sectors” 并且确认新盘添加后没有重启服务器：
[root@centos7 ~]# fdisk -l
@ -84,7 +82,7 @@ Normally when you have added new storage to a running Virtual machine, you proba
via: http://www.ehowstuff.com/how-to-add-a-new-hard-disk-without-rebooting-on-centos-7-rhel-7/
作者：[skytech][a]
译者：[译者ID](https://github.com/译者ID)
译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出