lsblk exclude

1. What is the output of Lsblk?
2. What does Lsblk stand for?
3. How do I remove a device from Lsblk?
4. What does Lsblk show?
5. What does Lsblk do in Linux?
6. What is difference between Lsblk and DF?
7. What is block devices in Linux?
8. What is SDA in Linux?
9. What is Fdisk used for?
10. How do I remove a multipath device?
11. How do I remove a disk from a server?
12. How do I remove a device from Linux?

What is the output of Lsblk?

sr0 is your optical device, i.e. the dvd drive. There is a 1 under the RM because it is a removable drive. It has a 0 under the RO column because it is not a read-only device. It is of type rom because it is not a disk, but a DVD/CD-ROM device, i.e., an optical device.

What does Lsblk stand for?

lsblk lists information about all or the specified block devices. The lsblk command reads the sysfs filesystem to gather information. The command prints all block devices (except RAM disks) in a tree-like format by default.

How do I remove a device from Lsblk?

Rebooting should remove any weird DRBD devices that you are not using any more. (E.g. that were removed from drbd config, but still exist for whatever strange reason). "module load/unload" would be a way to avoid a reboot, if that's what you wanted. modprobe -r drbd to unload.

What does Lsblk show?

lsblk lists information about all available or the specified block devices. The lsblk command reads the sysfs filesystem and udev db to gather information. ... The command prints all block devices (except RAM disks) in a tree-like format by default.

What does Lsblk do in Linux?

The lsblk Linux command is a useful command which lists information about all or the specified block devices. It queries the /sys virtual file system to obtain the information that it displays. The command displays details about all block devices excluding except RAM disks in a tree-like format by default.

What is difference between Lsblk and DF?

lsblk lists all mass storage devices and partitions on them, including mounted file systems, unmounted file systems and devices without any file system. df 'reports file system disk space usage', which means that it lists mounted file systems and also file systems in RAM.

What is block devices in Linux?

Block devices are characterized by random access to data organized in fixed-size blocks. Examples of such devices are hard drives, CD-ROM drives, RAM disks, etc. ... To simplify work with block devices, the Linux kernel provides an entire subsystem called the block I/O (or block layer) subsystem.

What is SDA in Linux?

The term sd stands for SCSI disk, that is to say, it means Small Computer System Interface disk. So, sda means the first SCSI hard disk. Likewise,/hda, the individual partition in the disk takes names as sda1, sda2, etc.. The active partition is indicated by an * in the middle column.

What is Fdisk used for?

FDISK is a tool that allows you to change the partitioning of your hard disks. For example, you can make partitions for DOS, Linux, FreeBSD, Windows 95, Windows NT, BeOS and many other types of operating systems.

How do I remove a multipath device?

Run multipath -l command to find the list of devices which are configured as multipath device. If the device is configured as a multipath device, run multipath -f device command to flush any outstanding I/O and to remove the multipath device. Flush any outstanding I/O to the used paths.

How do I remove a disk from a server?

Steps to Remove VMDK disk from Virtual Linux/Unix Server

1. First of all take output of fdisk command and save it. ...
2. The next important step is to unmount the filesystem. ...
3. If the disk in Volume group and you have created a logical volume, then remove that logical volume (LV) and then reduce your volume group (VG).

How do I remove a device from Linux?

The command to remove a path is:

1. # echo 1 > /sys/block/device-name/device/delete.
2. # echo "scsi remove-single-device 0 0 0 0" > /proc/scsi/scsi.
3. # echo 1 > /sys/class/scsi_device/h:c:t:l/device/delete.