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UNIX for Dummies Questions & Answers
what is disk mirroring in unix?
Post 1712 by Neo on Monday 26th of March 2001 04:51:04 PM
03-26-2001
Administrator
In a nutshell, disk mirroring is when two disks are written with the same data at the same time. So, when you have critical data (critical SQL databases are a good example) the disks are often mirrored so if one disk crashes, a minimal amount of data is lost. You are correct, disk mirroring is related to system backup and recovery. Usually, backups are performed daily for critical systems. Disk mirroring provides for disk crash protection between backups, in almost real time.
BTW: Does anyone know of any good mirroring software for Linux? I think I'll mirror this site in the future! Many someday, the UNIX For Dummies archives will be 'critical' for users
BTW: Does anyone know of any good mirroring software for Linux? I think I'll mirror this site in the future! Many someday, the UNIX For Dummies archives will be 'critical' for users
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LEARN ABOUT DEBIAN
fribidi_set_mirroring
fribidi_set_mirroring(3) Programmer's Manual fribidi_set_mirroring(3) NAME
fribidi_set_mirroring - set mirroring on or off SYNOPSIS
#include <fribidi.h> fribidi_boolean fribidi_set_mirroring(fribidi_boolean state); PARAMETERS
fribidi_boolean state New state to set. DESCRIPTION
This function is used to turn character mirroring on or off. Character mirroring is the act of replacing a mirrorable glyph (character), eg. Left paranthesis, with the matching glyph, eg. Right paranthesis, in a right-to-left resolved context. If your rendering engine does mirroring itself, you may want to turn it off here. This flag is on by default. This function is deprecated and only used with other deprecated functions. RETURNS
The new mirroring status. SEE ALSO
fribidi_charset_to_unicode(3), fribidi_unicode_to_charset(3), fribidi_parse_charset(3), fribidi_shape_arabic(3), fribidi_get_par_direc- tion(3), fribidi_get_par_embedding_levels(3), fribidi_reorder_line(3), fribidi_get_bidi_type(3), fribidi_get_bidi_types(3), fribidi_get_bidi_type_name(3), fribidi_debug_status(3), fribidi_mirroring_status(3), fribidi_reorder_nsm_status(3), fribidi_set_reorder_nsm(3), fribidi_log2vis_get_embedding_levels(3), fribidi_get_type(3), fribidi_get_type_internal(3), fribidi_remove_bidi_marks(3), fribidi_log2vis(3), fribidi_join_arabic(3), fribidi_get_joining_type(3), fribidi_get_joining_types(3), fribidi_get_joining_type_name(3), fribidi_get_mirror_char(3), fribidi_shape_mirroring(3), fribidi_shape(3) GNU FriBidi 0.19.2 30 January 2006 fribidi_set_mirroring(3)