The halt command performs an orderly shutdown that flushes file system updates to the disk and clears the NVRAM
About this task
The storage system stores requests it receives in nonvolatile random-access memory (NVRAM). For the following reasons, you should always execute the halt command before turning the storage system off:
- The halt command flushes all data from memory to the disk, eliminating potential failure.
- The halt command avoids potential data loss on CIFS clients.
If a CIFS client is disconnected from the storage system, the users’ applications are terminated and changes made to open files since the last save are lost.
Attention: Never interrupt CIFS service by halting the storage system without giving advance warning to CIFS users. Halting the CIFS service (using cifs terminate) without giving CIFS users enough time to save their changes can cause data loss.
Step
- Enter the following command: halt [-d dump_string] [-t interval] [-f] [-s]
The storage system displays the boot prompt. When you see the boot prompt, you can turn the power off.