和物理机一样,虚拟机包括几个重要的部分:CPU.内存.磁盘设备.网络设备等.本文将简要总结虚机磁盘设备有关知识. 1. Nova boot CLI 中有关虚机块设备的几个参数 nova boot CLI 的完整参数如下: usage: nova boot [--flavor <flavor>] [--image <image>] //boot from image with id [--image-with <key=value>] //image metadata p…
转:http://www.linux-mtd.infradead.org/faq/general.html#L_mtd_what Note, you can find Ukranian translation of this page by Alyona Lompar (alyona.lompar@consultant.com) here. We have not assessed the contents, though. Table of contents Is an MTD device…
Issue: When you create an instance, you may encounter following exception: aborted: Block Device Mapping is Invalid Solution: Check following logs to identify details. The root cause may be the resources (CPU, RAM, VOLUME) you allocated are less than…
在Linux的日志/var/log/message里面看到下面错误信息: Oct 26 09:48:42 xxxxxxx SYMBDSNAP_SDK[3943]: Failed to open device: /dev/symbdsnapctl, errno: 2. Google搜索了一下,发现出现这个错误的原因: Advanced Open File Option for Linux (AOFO-L) is not supported for the use with the kernel v…
在我们使用真机进行Android应用调试时,无法获得调试信息,错误提示如下:Unable to open log device '/dev/log/main': No such file or directory 这是因为我们的手机没有开起log记录,下面以华为U8860为例开启手机的log功能: 1.在拨号界面输入:*#*#2846579#*#* 进入测试菜单界面. 2.Project Menu–后台设置–LOG设置 3.LOG开关–LOG打开 LOG级别设置–VERBOSE 4.Dum…
问题: 平台:Oralce VM Virtualbox的虚拟机Opensuse11.4 导出该机器的OVA文件后,把该OVA文件导入虚拟机,开机启动时报如下错误: Trying manual resume from /dev/disk/by-id/ata-TOSHIBA-MK1246GSX-28FGTI70T-part1 resume device dev/disk/by-id/ata-TOSHIBA-MK1246GSX-28FGTI70T-part1 not found (ignoring)…
在VMware虚拟机中配置yum源时,执行 mount /dev/cdrom /mnt/cdrom 出现 mount: no medium found on /dev/sr0. 首先在/mnt 目录下mkdir cdrom. 然后,返回VMware管理设置,勾选 已连接,启动时连接. 接下来,未加载镜像 点击红框,已连接. 出现上图表示成功. 配置yum源: https://www.cnblogs.com/nidey/p/6200685.html…
和物理机一样,虚拟机包括几个重要的部分:CPU.内存.磁盘设备.网络设备等.本文将简要总结虚机磁盘设备有关知识. 1. Nova boot CLI 中有关虚机块设备的几个参数 nova boot CLI 的完整参数如下: usage: nova boot [--flavor <flavor>] [--image <image>] //boot from image with id [--image-with <key=value>] //image metadata p…
这是因为华为默认禁掉了log输出, 解决办法: 拨号: *#*#2846579#*#* 会显示工程菜单, Go to "ProjectMenu" -> "Background Setting" -> "Log Setting" Open "Log switch" and set it to ON. Open "Log level setting" and set the log level yo…