RH133_AdvanceFilesystemManagement.md

Software RAID Configuration

RAID 0 N
RAID 1 N/2
RAID 5 N-1

Software RAID Recovery

• man mdadm
• mdadm /dev/md0 -s /dev/sdb2

Converting LVM1 to LVM2

Creating Logical Volumes

Resizing Logical Volumes

The Linux Quota System

• su root
• vim /etc/fstabvim /etc/fstab
/dev/sda3 /home ext3 defaults,usrpuota 1 2
• mount -o remount /home
• quotacheck -c /home
• ls -l /home
• quotaon /home
• su - mskv
• ls -l
• dd if=/dev/zero of=big bs=1M count=6
• ls -lh
• exit
• edquota mskv
• quota
• ls -lh
• dd if=/dev/zero of=big1 bs=1M count=3
• ls -lh
• dd if=/dev/zero of=big2 bs=1M count=3
• ls -lh
• useradd user2
• edquota -p mskv user2
• requota -a