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`BIOS Boot` - A very small partition required for booting from a device with a GUID partition table (GPT) on BIOS systems and UEFI systems in BIOS compatibility mode. See xref:Installing_Using_Anaconda.adoc#sect-installation-gui-manual-partitioning-recommended[Recommended Partitioning Scheme] for details.
`BTRFS` - Btrfs is a file system with several device-like features. It is capable of addressing and managing more files, larger files, and larger volumes than the ext2, ext3, and ext4 file systems. See xref:Installing_Using_Anaconda.adoc#sect-installation-gui-manual-partitioning-btrfs[Creating a Btrfs Layout] for more information about creating Btrfs volumes.
Device, File System and RAID Types 장치, 파일 시스템과 레이드 유형
Device Types 장치 유형
`EFI System Partition` - A small partition required for booting a device with a GUID partition table (GPT) on a UEFI system. See xref:Installing_Using_Anaconda.adoc#sect-installation-gui-manual-partitioning-recommended[Recommended Partitioning Scheme] for details.
`ext2` - An ext2 file system supports standard Unix file types, including regular files, directories, or symbolic links. It provides the ability to assign long file names, up to 255 characters.
`ext3` - The ext3 file system is based on the ext2 file system and has one main advantage - journaling. Using a journaling file system reduces time spent recovering a file system after a crash, as there is no need to check the file system for metadata consistency by running the [command]#fsck# utility every time a crash occurs.
`ext4` - The ext4 file system is based on the ext3 file system and features a number of improvements. These include support for larger file systems and larger files, faster and more efficient allocation of disk space, no limit on the number of subdirectories within a directory, faster file system checking, and more robust journaling. Ext4 is the default and recommended file system used by {PRODUCT} Workstation and Cloud. The maximum supported size of a single ext4 file system is 50 TB.
File Systems 파일 시스템
`LVM` - Choosing `LVM` as the `Device Type` creates an LVM logical volume and a volume group to contain it (unless one already exists, in which case the new volume is assigned to the existing group). LVM can improve performance when using physical disks and allows you to use multiple disks for a single mount point. For information on how to create a logical volume, see xref:Installing_Using_Anaconda.adoc#sect-installation-gui-manual-partitioning-lvm[Creating a Logical Volume Management (LVM) Layout]. Also see xref:appendixes/Understanding_LVM.adoc#appe-lvm-overview[Understanding LVM] for some additional information about LVM in general.
`LVM Thin Provisioning` - Using thin provisioning, you can manage a storage pool of free space, known as a _thin pool_, which can be allocated to an arbitrary number of devices when needed by applications. The thin pool can be expanded dynamically when needed for cost-effective allocation of storage space.
Note that the size of an XFS file system cannot currently be reduced without destroying and recreating the file system. If you expect that you will need to adjust the sizes of your file systems often, using XFS is not recommended, as it makes administration substantially more time-consuming.
{PRODUCT} supports multiple types of devices and file systems. The lists below offer a short description of each available device, file system and RAID type and notes on their usage. {PRODUCT}는 여러 유형의 장치 및 파일 시스템을 지원합니다. 아래 목록은 사용 가능한 각 장치, 파일 시스템과 레이드 유형의 간단한 설명과 사용법에 대한 기록을 제공합니다.
`RAID0 (Performance)` - Distributes data across multiple disks. Level 0 RAID offers increased performance over standard partitions and can be used to pool the storage of multiple disks into one large virtual device. Note that Level 0 RAIDs offer no redundancy and that the failure of one device in the array destroys data in the entire array. RAID 0 requires at least two disks.
`RAID10 (Performance, Redundancy)` - Level 10 RAIDs are nested RAIDs or hybrid RAIDs. They are constructed by distributing data over mirrored sets of disks. For example, a level 10 RAID array constructed from four RAID partitions consists of two mirrored pairs of striped partitions. RAID 10 requires at least four disks.
`RAID1 (Redundancy)` - Mirrors all data from one partition onto one or more other disks. Additional devices in the array provide increasing levels of redundancy. RAID 1 requires at least two disks.
`RAID4 (Error Checking)` - Distributes data across multiple disks and uses one disk in the array to store parity information which safeguards the array in case any disk within the array fails. Because all parity information is stored on one disk, access to this disk creates a "`bottleneck`" in the array's performance. Level 4 RAID requires at least three disks.
`RAID5 (Distributed Error Checking)` - Distributes data and parity information across multiple disks. Level 5 RAIDs therefore offer the performance advantages of distributing data across multiple disks, but do not share the performance bottleneck of level 4 RAIDs because the parity information is also distributed through the array. RAID 5 requires at least three disks.
`RAID6 (Redundant Error Checking)` - Level 6 RAIDs are similar to level 5 RAIDs, but instead of storing only one set of parity data, they store two sets. RAID 6 requires at least four disks. `레이드 6 (중복 오류 검사)` - 레이드6 수준은 레이드 5 수준과 유사하지만, 패리티 자료 세트를 하나만 저장하는 대신에, 두 세트를 저장합니다. 레이드 6는 최소한 4개의 디스크가 필요합니다.
`RAID` - Creating two or more software RAID partitions allows you to create a software RAID device. One RAID partition is assigned to each disk on the system. See xref:Installing_Using_Anaconda.adoc#sect-installation-gui-manual-partitioning-swraid[Creating Software RAID] for instructions on creating software RAID.