Fsck command cisco

1. What is fsck command?
2. What is Cisco reload command?
3. How do I check error logs on a Cisco switch?
4. How to check disk errors in Linux?
5. How do I check disk in Linux?
6. Why we use fsck command in Linux?
7. Is reload and reboot Cisco?
8. How to reboot Cisco switch command?
9. Is reload and restart the same?
10. How do I use fsck to repair disk problems?
11. Does fsck delete files?
12. Does fsck resolve data loss?
13. When should I fix errors using fsck?

What is fsck command?

The fsck command checks and interactively repairs inconsistent file systems. You should run this command before mounting any file system. You must be able to read the device file on which the file system resides (for example, the /dev/hd0 device).

What is Cisco reload command?

The reload command halts the system. If the system is set to restart on error, it reboots itself. Use the reload command after configuration information is entered into a file and saved to the startup configuration.

How do I check error logs on a Cisco switch?

To view the log level and log type settings, use the show system logging-level command in privileged EXEC mode. The log level for all log types is displayed.

How to check disk errors in Linux?

You can check the hard drive for errors using the smartctl command, which is control and monitor utility for SMART disks under Linux / UNIX like operating systems. smartctl controls the Self-Monitoring, Analysis and Reporting Technology (SMART) system built into many ATA-3 and later ATA, IDE and SCSI-3 hard drives.

How do I check disk in Linux?

That command is df -H. The -H switch is for human-readable format. The output of df -H will report how much space is used, available, percentage used, and the mount point of every disk attached to your system (Figure 1).

Why we use fsck command in Linux?

fsck computes the number of data blocks and compares that block count against the number of blocks the inode claims. If an inode contains an incorrect count, fsck prompts you to fix it. Each inode contains a 64-bit size field.

Is reload and reboot Cisco?

They all mean the same thing! On Cisco routers and switches the terminology is " reload " to "restart" the device. You tend to hear the term "reboot" from us older guys.

How to reboot Cisco switch command?

Log in to the web-based utility of the switch and choose Administration > Reboot. In the Reboot area, click the radio button that corresponds to the desired time at which the switch reboots. The options are: Immediate - Switch reboots immediately once Reboot is clicked.

Is reload and restart the same?

restart shuts the service down and then starts it up again, whereas reload instructs the daemon to reload its configuration.

How do I use fsck to repair disk problems?

Run fsck in Rescue Mode

During the boot, hold down the shift key so that the grub menu is shown. Select the “Advanced options”. Then choose “Recovery mode”. In the next menu select “fsck”.

Does fsck delete files?

fsck -delete, deletes the corrupted files, and the blocks related to that file.

Does fsck resolve data loss?

The short answer is yes, it can remove data. It tries very hard not to by putting stuff it finds in lost+found on that drive, but it is recovering from a filesystem which is apparently corrupted. In other words, when you're dealing with FS corruption, anything may be lost.

When should I fix errors using fsck?

Use fsck to check your file system if your system fails to boot, if files on a specific disk become corrupt, or if an attached drive does not act as expected. Unmount the disks you intend to work on before attempting to check or repair them.