Data Recovery Glossary

ECC to External Hard Drive

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

ECC

ECC (Error Correction Code) - the method of correcting errors in data. It is used for storage devices. Correction codes usually are placed at the end of each data block.

Email recovery

Email recovery - a process of recovering email messages lost for any reason.

eSATA

eSATA (External SATA) - the standard on the connector and on the method of data transfer. eSATA is the variety of SATA used for external devices; it supports hot swap.

ExFAT

ExFAT - the filesystem used in Windows. ExFAT is supported starting with Windows Vista.

Ext (filesystem)

Ext - the family of filesystems used in Linux. There are ext2, ext3, and ext4 filesystems.

Extended Partition

Extended partition - a partition which contains other logical partitions (called "logical drives"). It is used to circumvent a limit on 4 entries in the MBR.

Extension

Extension (in file names) - a series of symbols appended to the end of the filename to indicate a file format. Usually a dot separates a file name from an extension.

Extent

Extent (in filesystems) - a contiguous block of disk space holding a file or a part of a file. If a file is stored in more than one extent, it is said to be fragmented (see Defragmentation).

External hard drive

External hard drive - a device to store data. Generally it doesn't differ from an internal drive, it is just connected to a computer via an USB, eSATA, or 1394 cable. External drive recovery typically requires connecting the drive directly to the appropriate motherboard port as a first step.

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