Data Recovery Glossary

Failed Disk to fsck

Data Recovery Glossary home

List of pages

A - Access Rights to ASCII

B - Backup to BTRFS

C - CANON_DC to Cross-linked Files

D - DAS to Dynamic Disk

E - ECC to External Hard Drive

F - Failed Disk to fsck

G - Gigabyte to GUID

H - Hard Drive to Hybrid Disk

I - IDE to Internal Drive

J - JBOD to Jumper

L - LBA to LVM

M - Megabyte to Motherboard

N - NAS to Nuke & Pave

O - Operator Error to Overwritten Data

P - Parallel ATA to PSU

Q - QNAP to Quota

R - RAID to Resident File

S - SAS to Synology Hybrid RAID

T - Tailpacking to TrueCrypt

U - UDMA to USB Thumbdrive

W - WD to Write-Through Cache

X - X-RAID2

Failed Disk

Failed Disk - internal or external hard drive that has been damaged for some reason. Often used to refer to a failed member disk of a RAID.

FAT

FAT (File Allocation Table) - the widespread simple filesystem (usually used for small devices, e.g. for memory cards). The filesystem is named after its major feature, the File Allocation Table holding locations for all the files. The term FAT is also used to refer to the table itself.

File

File - the unit of data storage from user's point of view.

Filesystem

Filesystem - a method of data organization on a storage device.

FireWire (1394)

FireWire (1394) - the standard on the connector and on the method of data transfer. The data transfer speed is about 150 Mb/sec. It is only used for external devices.

Flash Memory

Flash Memory - the nonvolatile memory which doesn't have moving parts. It is possible to read the flash memory infinitely, but number of writes is limited, typically to around 100,000 cycles.

Folder

Folder - the object in which files and possibly other folders are stored.

Format

Format - a process of preparing a storage device to use. Device content is deleted during the format procedure. There are two varieties of the process, namely Quick and Complete format.

Fragmented file

Fragmented file - file which is written in non-adjacent clusters and is therefore stored in several disjoint parts. Fragmented digital image files are more difficult to recover, especially when memory cards are involved, because of certain limitations of photo recovery.

fsck

fsck (file system checker) - the program to check UNIX and Linux filesystems and possibly to repair the errors.

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