December 2006
Intermediate to advanced
202 pages
8h 29m
English
Content preview from Linux Kernel in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Filesystems
Linux supports a wide range of traditional file system types and a number of different types of filesystems (volume managers, clustered filesystems, etc.). The traditional file system types (normal or journaled) can be selected from the main File System configuration menu:
File systems
[*] Second extended fs support
[*] Ext3 journalling file system support
[ ] Reiserfs support
[ ] JFS filesystem support
[ ] XFS filesystem supportThis section will show a few of the non-traditional file system types that Linux supports, and how to enable them.
RAID
RAID offers the option of combining numerous disks together so that they look like one logical disk. This can help in providing ways of providing redundancy, or speed by spreading the data across different disk platters. Linux supports both hardware and software RAID. Hardware RAID is handled by the disk controller, without any help needed from the kernel.
Software RAID is controlled by the kernel, and can be selected as a build option:
Device Drivers
Multi-device support (RAID and LVM)
[*] Multiple devices driver support (RAID and LVM)
[*] RAID supportThere are many different types of RAID configurations. At least one needs to be selected in order for RAID to work properly:
Device Drivers Multi-device support (RAID and LVM) [*] Multiple devices driver support (RAID and LVM) [*] RAID support [*] Linear (append) mode [*] RAID-0 (striping) mode [*] RAID-1 (mirroring) mode [*] RAID-10 (mirrored striping) mode (EXPERIMENTAL) [*] RAID-4/RAID-5 ...
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