Разбираем лабы по RH9 (EX200) (Второе видео)

Вторая часть видео посвящённая вопросам по EX200 на 2023-ый год. В этот раз работает с дисками и только. ===== Disks Create a primary partition with a size of 1GB.Format it with Ext4, and mount it persistently on /filesext4, using UUID. Create a primary partition with a size of 1GB.Format it with xfs, and mount it persistently on /filesxfs, using labels (MYXFS) Create an extenden partition that includes all remaining disk space.In this partition, create 500MB XFS partition and mount it persistently on /mounts/xfs, using label myxfs Create a 500MB swap partition and mount it persistently disk /dev/sda n p 1G n p 1G n e +500M n 500M t swap p verify mkdfir /filesext4 /filesxfs mkdir -p /mounts/xfs mkfs.ext4 /dev/sda2 mkfs.xfs /dev/sda3 mkfs.xfs -L MYXFS /dev/sda5 mkfs.xfs -L myxfs /dev/sda4 lsblk -output UUID /dev/sda mkswap /dev/sda6 swpaon /dev/sda6 ===== LVM Create an LVM logical volume with the name lvdata and size of 1GB.Also create the VG and PV that are required for this LV Format this LV with the XFS filesystem and mount it persistently on /mounts/lvdata Add 1G disk to new created VG and extend LV size fdisk /dev/sda vgcreate vgdata /dev/sda1 lvcreate -L 1G -n lvdata /dev/vgdata mkfs.xfs /dev/cgdata/lvdata mount on fstab fdisk /dev/sdb n p t lvm vgextend vgdata /dev/sda2 lvextend -r -l +100%FRE /dev/vgdata/lvdata ===== Stratis Create a stratis pool Spool and an File System (SSystem) on it.Make a mounting point and mount stratis FS to it ===== dnf install stratisd stratis-cli systemctl enable --now stratisd stratis pool create mypool /dev/sdb stratis blockdev list stratis fs create mypool myfs mkdir /mystratisfs lsblk --output=UUID /dev/stratis/mypool/myfs /etc/fstab UUID=d8ff... /mystratisfs xfs x-systemd.requires=stratisd.service 0 0 ===== Create a snapshot of your file system and mount it to be sure that your files returned dd if=/dev/zero of=/myfs/bigfile bs=1M count=2000 stratis pool list stratis fs list stratis fs snapshot mypool myfs myfs-snap stratis fs list rm /myfs/bigfile mkdir /myfs-snap mount /dev/stratis/mypool/myfs-snap /myfs-snap ls -l /myfs-snap umount /myfs-snap stratis fs destroy mypool myfs-snap