RHCSA Lec 2

File System Management

inode Number is used by the computer to search index of File and Management of File

FAT,NTFS,exFAT → File System Managements in Windows

ext,ext2,ext3,ext4,xfs,gts,craunfts

2 Types of Hardwares

(i)HOD(I.D.E,SATA,SCSI) (ii)Advance

,SSD,mSATA,USB FcoE,SAN,NAS,iSCSI,Fiber Channel

Signals and their following Hardware Types

(i)I.D.E-→ /dev/hda

(ii)SATA → /dev/sda

(iii)SCSi

(iv)USB

Now Run The Following Commands to check the # of disks,Partitions and Types

[root@localhost ~]# fdisk -l

Disk /dev/sda: 17.2 GB, 17179869184 bytes, 33554432 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk label type: dos

Disk identifier: 0x0009a7eb

Device Boot Start End Blocks Id System

/dev/sda1 * 2048 1026047 512000 83 Linux

/dev/sda2 1026048 33554431 16264192 8e Linux LVM

Disk /dev/mapper/rhel-root: 14.9 GB, 14931722240 bytes, 29163520 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/rhel-swap: 1719 MB, 1719664640 bytes, 3358720 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes