about linux file and filesystem

1. file then system
date: 2019-1-19
written by t0spring

2. idx
• file (and directory)
• filesystem
• mount to use
• brief from the disk
• one or more things

3. file (and directory)
• ls -al
• cp
• mv
• rm
• mkdir
• rmdir
• chmod
• chown
• getfacl
• ls –lZ
• chcon
• restorecon
SELinux rel

4. filesystem
• ext2, ext3, ext4
• reiserfs
• xfs
• fat
• ntfs

5. mount to use
• mount filesystem to ‘mounting point’
• df –Pk
• mount /dev/sdc1 /mnt/usb

6. brief from the disk
1. partition(ing)
2. make filesystem
3. mount(ing)
4. ls
/boot (ext4)
20%
swap
30%
/ (xfs)
50%

7. one or more thing, lvm
• lvm
• pvs
• vgs
• lvs
• Logical Volume Disk
• Physical
• Volume
• Logical

8. one or more thing, lvm
mount /data
logical lv_data
volume group vg_data
physical /dev/sda3 /dev/sdb1

9. one or more thing, raid
• raid1
• raid5
• mirror
• lots of disk
• hot spare

10. one or more thing, raid1
disk1
1
2
3
disk2
1
2
3

11. one or more thing, raid5
disk1
1
3
disk2
1
2
disk3
2
3

12. one or more thing, remote
• nfs
• cifs
• openafs
• s3
• ceph
• nfs
• smb
• rx
• iscsi

13. fine