microcell device

Block device installation, create, map, mount, details, adjust, uninstall, curve map, deleteMake sure your ceph storage cluster is active + clean before working with ceph block devices.vim/etc/hosts172.16.66.144 ceph-clientPerform this quick boot on the admin node.1. On the admin node, install Ceph on your ceph-client node with Ceph-deployCeph-deploy Install Ceph-client2. On the admin node, copy the Ceph configuration file and ceph.client.admin.keyrin

Reprinted from: http://www.yeeyan.com/articles/view/jht/57657 Introduction Unknown device, no longer headache! Rule 1: do not lose the drive disc of the device. Rule 2: exercise caution when saving a backup. Rule 3: If your driver file is lost, you need to know where to download it. Congratulations! If you do not care about the above two items, this article can free you from the three serious crimes you ha

[Oracle @ node1 crsd] $ crs_stat-t CRS-0184: Cannot communicate with the CRS daemon. [Oracle @ node1 crsd] $ crsctl check crs Failure 1 contacting CSS daemon Cannot communicate with CRS Cannot communicate with EVM [Root @ node1 crs] # ps-ef | grep crs Root 3926 1 0 :46? 00:00:00/bin/sh/etc/init. d/init. crsd run Root 29408 25855 0 00:00:00 pts/1 grep crs [Root @ node1 bin] #./racgvip There is no VIP name [Root @ node1 crsd] #/etc/init. d/init. crs stop Shutting down Oracle Cluster Ready Ser

After the crazy batch of a vendor's multimedia control app how rotten, bombast himself to do a minute thing. Of course, to do a very easy, more than their rotten software is still confident. The process encountered various pits, one of which was as followsJust start with a tablet to debug, always pop up the window to select the device, so tick "Use same device for the future launches", so eclipse by default

/*====================================================================== A Globalmem Driver As an example of char device drivers There are two same globalmems in this driver This example was to introduce the function of File->private_data The initial developer of the original code is Baohua Song ======================================================================*/ #include #include #include #include #include #include #include #include #include #in

Device content As we all know, the device context is a Windows data structure that contains information about the drawing properties of a device, such as a display or printer. All painting calls are performed through the device context object, including the paint brush, bitmap, and painting brush. The

(void *start, size_t length);3. Virtual Memory Area:The virtual memory area is a homogeneous interval in the virtual address space of the process, that is, a contiguous address range with the same characteristics. The memory image of a process consists of the following parts: program code, data, BSS and stack areas, and memory-mapped regions.The Linux kernel uses the VM_AREA_STRUCT structure to describe the virtual memory area. Its main members:unsigned long vm_start; /* Our start address withi

If you have multiple Android devices (including Android emulators) connected to your PC, you will need to use the Adb-s DeviceID shell when you enter the console. More trouble, this article has written a shell script file (need to be used under Linux or OS X, Windows needs to be newly written with bat or cmd).The basic idea is to use the ADB devices command to scan how many Android devices are connected to the PC, then intercept the device name from t

the unprecedented security threat. There are two security threats to IP network, one is the security of host (including user host and application server), and the other is the security of network itself (mainly network equipment, including routers, switches, etc.). The security threat perceived by a user host is primarily an attack on a particular operating system (primarily a Windows system), known as a virus. Network devices are mainly faced with the attack based on TCP/IP protocol. This pap

According to the device model described above, another one is created today. Platform device version quot; helloworld quot; According to the device model described above, another one is created today. The "hello world" of the platform device version ". If the platform device