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<blockquote data-quote="witeshark" data-source="post: 100863" data-attributes="member: 3865"><p><span style="color: darkred">fsck is a file system check and will restore anything not right in file system at a very fundamental level:</span></p><p><span style="color: darkred">NAME</span></p><p><span style="color: darkred"> fsck - filesystem consistency check and interactive repair</span></p><p><span style="color: darkred">details (if you want):</span></p><p><span style="color: darkred">SYNOPSIS</span></p><p><span style="color: darkred"> fsck -p [-f] [-m mode]</span></p><p><span style="color: darkred"> fsck [-b block#] [-c level] [-l maxparallel] [-q] [-y] [-n] [-m mode]</span></p><p><span style="color: darkred"> [filesystem] ...</span></p><p><span style="color: darkred"></span></p><p><span style="color: darkred">DESCRIPTION</span></p><p><span style="color: darkred"> The first form of fsck preens a standard set of filesystems or the speci-</span></p><p><span style="color: darkred"> fied filesystems. It is normally used in the script /etc/rc during auto-</span></p><p><span style="color: darkred"> matic reboot. Here fsck reads the table /etc/fstab to determine which</span></p><p><span style="color: darkred"> filesystems to check. Only partitions in fstab that are mounted ``rw,''</span></p><p><span style="color: darkred"> ``rq'' or ``ro'' and that have non-zero pass number are checked.</span></p><p><span style="color: darkred"> Filesystems with pass number 1 (normally just the root filesystem) are</span></p><p><span style="color: darkred"> checked one at a time. When pass 1 completes, all remaining filesystems</span></p><p><span style="color: darkred"> are checked, running one process per disk drive. The disk drive contain-</span></p><p><span style="color: darkred"> ing each filesystem is inferred from the longest prefix of the device</span></p><p><span style="color: darkred"> name that ends in a digit; the remaining characters are assumed to be the</span></p><p><span style="color: darkred"> partition designator. In preening mode, filesystems that are marked</span></p><p><span style="color: darkred"> clean are skipped. Filesystems are marked clean when they are unmounted, when they have been mounted read-only, or when fsck runs on them success-</span></p><p><span style="color: darkred"> fully.</span></p><p><span style="color: darkred"></span></p><p><span style="color: darkred"> The kernel takes care that only a restricted class of innocuous filesys-</span></p><p><span style="color: darkred"> tem inconsistencies can happen unless hardware or software failures</span></p><p><span style="color: darkred"> intervene. These are limited to the following:</span></p><p><span style="color: darkred"> Unreferenced inodes</span></p><p><span style="color: darkred">Link counts in inodes too large</span></p><p><span style="color: darkred"> Missing blocks in the free map</span></p><p><span style="color: darkred"> Blocks in the free map also in files</span></p><p><span style="color: darkred"> Counts in the super-block wrong</span></p></blockquote><p></p>
[QUOTE="witeshark, post: 100863, member: 3865"] [color=darkred]fsck is a file system check and will restore anything not right in file system at a very fundamental level: NAME fsck - filesystem consistency check and interactive repair details (if you want): SYNOPSIS fsck -p [-f] [-m mode] fsck [-b block#] [-c level] [-l maxparallel] [-q] [-y] [-n] [-m mode] [filesystem] ... DESCRIPTION The first form of fsck preens a standard set of filesystems or the speci- fied filesystems. It is normally used in the script /etc/rc during auto- matic reboot. Here fsck reads the table /etc/fstab to determine which filesystems to check. Only partitions in fstab that are mounted ``rw,'' ``rq'' or ``ro'' and that have non-zero pass number are checked. Filesystems with pass number 1 (normally just the root filesystem) are checked one at a time. When pass 1 completes, all remaining filesystems are checked, running one process per disk drive. The disk drive contain- ing each filesystem is inferred from the longest prefix of the device name that ends in a digit; the remaining characters are assumed to be the partition designator. In preening mode, filesystems that are marked clean are skipped. Filesystems are marked clean when they are unmounted, when they have been mounted read-only, or when fsck runs on them success- fully. The kernel takes care that only a restricted class of innocuous filesys- tem inconsistencies can happen unless hardware or software failures intervene. These are limited to the following: Unreferenced inodes Link counts in inodes too large Missing blocks in the free map Blocks in the free map also in files Counts in the super-block wrong[/color] [/QUOTE]
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