What is LVM, Explain LVM Architecture, What is Raid, What is the booting process of RHEL, How to manage failed unmount or mount, What are the issues you have faced in working with Linux Servers, What is special permission, How many states are there for a process, How to kill process.

Question

Accepted Answer

LVM is Logical Volume Manager used for managing disk space, RAID is Redundant Array of Independent Disks for data protection, RHEL boot process involves BIOS, GRUB, kernel loading, and init process.

LVM allows for dynamic resizing of logical volumes without downtime.
RAID combines multiple disks for data redundancy or performance improvement.
RHEL boot process involves BIOS POST, GRUB bootloader, kernel loading, and init process.
Managing failed unmount or mount involves checking for processes holding the mount point, killing them if necessary, and then retrying the operation.
Special permissions in Linux include setuid, setgid, and sticky bit.
There are 5 states for a process: Running, Sleeping, Stopped, Zombie, and Dead.
To kill a process, you can use the 'kill' command with the process ID or 'pkill' with the process name.

Accepted Answer

Lvm is logical volume manager is used to manager disk space raid is redundant array of independent of disk way in the lvm..

Asked in Cognizant

What is LVM, Explain LVM Architecture, What is Raid, What is the booting process of RHEL, How to manage failed unmount or mount, What are the issues you have faced in working with Linux Servers, What is special permission, How many states are there for a process, How to kill process.

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