File then system
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This document provides an overview of files, file systems, and mounting file systems in Linux. It discusses common file system types like ext4, xfs, and fat. It also covers logical volume management (LVM) for combining disks into logical volumes, as well as RAID configurations for redundancy or more storage. Finally, it briefly mentions several remote file system protocols like NFS, SMB, and iSCSI.
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File then system
- 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