Stratis → advanced storage management

• Extend filesystem automatically when needed

• dnf install stratis-cli stratisd

• dnf makecache --refresh

  • Update latest package list for DNF

• systemctl start stratisd

• systemctl enable stratisd

  • Start daemon

• lsblk

  • List block device

• stratis pool create pool1 /dev/sdb

  • Create pool with /dev/sdb

• stratis pool list

  • Show pool list

• stratis pool add-data pool1 /dev/sdc

  • Extend pool1 with /dev/sdc

Stratis Filesystem

• stratis filesystem create pool1 fs1

  • Create filesystem using Stratis

• stratis filesystem list → get UUID

  • Verify filesystem creation

• mkdir /bigdata

• mount /stratis/pool1/fs1 /bigdata

  • Mount Stratis disk to /bigdata

• stratis filesystem snapshot pool1 fs1 fs-snap

  • Make a snapshot

• nano fstab

UUID="a313..."   /bigdata   xfs   defaults,x-systemd.requires=stratis.service   0 0

• Startup mount

RAID (Redundant Array of Independent Disks)

• RAID0 → add physical disk to make big one
• RAID1 → mirror (slow)
• RAID5 → 3 or more disks
  • Read & write a little on every disk