Alsoft DiskWarrior - 3.0 Manuel d'instructions télécharger pdf (Page 12)

12 Chapter 1: Introduction

Welcome to DiskWarrior

When other utilities attempt to repair your directory, they attempt to do so by “patching” the di-

rectory structure. This method can result in sections of the directory being patched over and de-

leted. Since whole sections of the directory can be deleted, this attempt at repair can cause loss

of directory data and thus loss of access to your ﬁles. Because of this, you should always use

DiskWarrior ﬁrst when you suspect directory damage on your disk. Otherwise, you risk losing

directory data (and thus access to your ﬁles). Successful directory rebuilding, repair, and recov-

ery by DiskWarrior is based on the quality of the directory data present.

If you have used another utility to repair your directory and you now have a directory with no

errors but missing data, you can make DiskWarrior scavenge the directory to ﬁnd the lost data.

This is the same scavenge procedure DiskWarrior uses to recover your data when it ﬁnds direc-

tory errors, but it normally skips the scavenge procedure when the directory has no major er-

rors.

With DiskWarrior, there is never a risk of losing directory data and thus never a risk of losing

access to your ﬁles. DiskWarrior uniquely veriﬁes the replacement directory before it can be

written to disk to ensure that it is completely error-free. This also ensures that the disk will have

no problems when rebuilding is complete.

DiskWarrior compares the original directory with the replacement directory and determines if

there have been any changes to the number or contents of your ﬁles and folders. It then lists any

differences found in the DiskWarrior Report. You'll know right away what ﬁles and folders are

affected by directory damage. You can use this information to see what items you need to test or

inspect in the preview (see below).

DiskWarrior’s patent-pending preview feature lets you examine your disk as it will appear after

the directory is rebuilt, but before any directory changes are written to disk. You can use the re-

sults of the comparison shown in the DiskWarrior Report to ﬁnd out which ﬁles and folders you

should inspect ﬁrst because they may have been affected by directory damage. This assures you

that you will get the expected results before any changes are made permanent.

Even though they are not part of the directory, DiskWarrior will also repair damaged boot blocks

and rebless the system/system folder if it is necessary to do so on your disk. This ensures that

your disk will properly start your Mac OS computer once the rebuilding is complete.

DiskWarrior also checks pre-Mac OS X System and Finder ﬁles for damage, eliminates a com-

mon cause of system crashes by checking custom icon ﬁles for corruption, and repairs wrapper

System ﬁle damage, allowing Macs with these disks to start up.

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Alsoft DiskWarrior - 3.0 Manuel d'instructions Page 12