A Red Hat Certified System Administrator (RHCSA) is able to perform the following tasks:
Resize your logical partition to 950Mb and resize your logical volume to 150Mb.
CMD:
To increase the partition size use following commands,
Resize your file system with resize2fs
To reduce the partition size use following commands,
Unmount the partition
Run fsck on your file system
Resize your file system with resize2fs
Lvreduce - reduce the size of a logical volume
Remount the partition
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Understand and use essential tools for handling files, directories, command-line environments, and documentation
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Operate running systems, including booting into different run levels,
identifying processes, starting and stopping virtual machines, and
controlling services
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Configure local storage using partitions and logical volumes
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Create and configure file systems and file system attributes, such as
permissions, encryption, access control lists, and network file systems
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Deploy, configure, and maintain systems, including software installation, update, and core services
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Manage users and groups, including use of a centralized directory for authentication
- Manage security, including basic firewall and SELinux configuration.
Resize your logical partition to 950Mb and resize your logical volume to 150Mb.
CMD:
To increase the partition size use following commands,
root@linuxstorage:~#df -h
root@linuxstorage:~#lvextend -L 950M /dev/mapper/vgsrv-home
lvextend - extend the size of a logical volume.
Resize your file system with resize2fs
root@linuxstorage:~#resize2fs /dev/mapper/vgsrv-homeCMD:
To reduce the partition size use following commands,
root@linuxstorage:~#df -h
Unmount the partition
root@linuxstorage:~#unmount /home
Run fsck on your file system
root@linuxstorage:~#e2fsck -f /dev/mapper/vgsrv-home
e2fsck 1.41.12
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Resize your file system with resize2fs
root@linuxstorage:~#resize2fs /dev/mapper/vgsrv-home 150M
Lvreduce - reduce the size of a logical volume
root@linuxstorage:~#lvreduce -L 150M /dev/mapper/vgsrv-home
Remount the partition
root@linuxstorage:~#mount -a
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