release/src-rt-6.x.4708/router/tuxera/broadcom_arm/hfsplus/docs/html/fsck_hfs.html

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  16 <title>FSCK_HFS</title>
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  20
  21 <h1 align="center">FSCK_HFS</h1>
  22
  23 <a href="#NAME">NAME</a><br>
  24 <a href="#SYNOPSIS">SYNOPSIS</a><br>
  25 <a href="#DESCRIPTION">DESCRIPTION</a><br>
  26 <a href="#OPTIONS">OPTIONS</a><br>
  27 <a href="#EXIT STATUS">EXIT STATUS</a><br>
  28 <a href="#BUGS">BUGS</a><br>
  29 <a href="#AVAILABILITY">AVAILABILITY</a><br>
  30
  31 <hr>
  32
  33
  34 <h2>NAME
  35 <a name="NAME"></a>
  36 </h2>
  37
  38
  39 <p style="margin-left:11%; margin-top: 1em">fsck_hfs
  40 &minus; check and repair an HFS+ volume</p>
  41
  42 <h2>SYNOPSIS
  43 <a name="SYNOPSIS"></a>
  44 </h2>
  45
  46
  47
  48 <p style="margin-left:11%; margin-top: 1em"><b>fsck_hfs</b>
  49 [<i>options</i>] <i>device</i></p>
  50
  51 <h2>DESCRIPTION
  52 <a name="DESCRIPTION"></a>
  53 </h2>
  54
  55
  56
  57 <p style="margin-left:11%; margin-top: 1em"><i><b>fsck_hfs</b></i>
  58 will check an HFS+ volume for errors, and optionally correct
  59 them. Run fsck_hfs without arguments for a full list of
  60 options.</p>
  61
  62 <h2>OPTIONS
  63 <a name="OPTIONS"></a>
  64 </h2>
  65
  66
  67 <p style="margin-left:11%; margin-top: 1em">Below is a
  68 summary of all the options that <b>fsck_hfs</b> accepts.</p>
  69
  70 <table width="100%" border="0" rules="none" frame="void"
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  72 <tr valign="top" align="left">
  73 <td width="11%"></td>
  74 <td width="3%">
  75
  76
  77 <p><b>&minus;q</b></p></td>
  78 <td width="8%"></td>
  79 <td width="78%">
  80
  81
  82 <p>Do only a quick test to check if the file-system will
  83 mount properly. This is useful when you want to do a fast
  84 check to find out if the volume was unmounted cleanly. It
  85 returns a non non-zero exit value if the volume was not
  86 unmounted cleanly, otherwise an exit value of 0 is
  87 returned.</p> </td></tr>
  88 <tr valign="top" align="left">
  89 <td width="11%"></td>
  90 <td width="3%">
  91
  92
  93 <p><b>&minus;d</b></p></td>
  94 <td width="8%"></td>
  95 <td width="78%">
  96
  97
  98 <p>Verbose output. This is useful for debugging when
  99 <b>fsck_hfs</b> cannot repair a corrupted HFS+ volume.</p></td></tr>
 100 <tr valign="top" align="left">
 101 <td width="11%"></td>
 102 <td width="3%">
 103
 104
 105 <p><b>&minus;f</b></p></td>
 106 <td width="8%"></td>
 107 <td width="78%">
 108
 109
 110 <p>Force <b>fsck_hfs</b> to check and repair journaled HFS+
 111 file-system. When used with <b>&minus;p</b> option, forces
 112 <b>fsck_hfs</b> to check &rsquo;clean&rsquo; file
 113 systems.</p> </td></tr>
 114 <tr valign="top" align="left">
 115 <td width="11%"></td>
 116 <td width="3%">
 117
 118
 119 <p><b>&minus;l</b></p></td>
 120 <td width="8%"></td>
 121 <td width="78%">
 122
 123
 124 <p>Lock the file-system and perform a read-only check. This
 125 is useful when you want to check a mounted volume, without
 126 trying to repair it.</p></td></tr>
 127 </table>
 128
 129 <p style="margin-left:11%;"><b>&minus;m</b> MODE</p>
 130
 131 <p style="margin-left:22%;">Set permissions for the
 132 lost+found directory when created. It accepts an octal value
 133 that will be used to set the permission. <b>fsck_hfs</b>
 134 places orphaned files and directories in lost+found
 135 directory (located in the root directory). Default mode is
 136 01777.</p>
 137
 138 <table width="100%" border="0" rules="none" frame="void"
 139        cellspacing="0" cellpadding="0">
 140 <tr valign="top" align="left">
 141 <td width="11%"></td>
 142 <td width="3%">
 143
 144
 145 <p><b>&minus;p</b></p></td>
 146 <td width="8%"></td>
 147 <td width="49%">
 148
 149
 150 <p>Preen the specified file-system.</p></td>
 151 <td width="29%">
 152 </td></tr>
 153 </table>
 154
 155 <p style="margin-left:11%;"><b>&minus;c</b> SIZE</p>
 156
 157 <p style="margin-left:22%;">Specify the internal cache size
 158 used by <b>fsck_hfs</b>. Bigger size can ensure better
 159 performance but can deadlock when used with <b>&minus;l</b>
 160 option. It accepts size value as an argument, which can be a
 161 decimal, octal, or a hexadecimal number. Numbers ending with
 162 a &rsquo;k&rsquo;, &rsquo;m&rsquo; or &rsquo;g&rsquo; are
 163 multiplied by 1024 (1K), 1048576 (1M) or 1073741824 (1G),
 164 respectively.</p>
 165
 166 <table width="100%" border="0" rules="none" frame="void"
 167        cellspacing="0" cellpadding="0">
 168 <tr valign="top" align="left">
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 170 <td width="3%">
 171
 172
 173 <p><b>&minus;r</b></p></td>
 174 <td width="8%"></td>
 175 <td width="78%">
 176
 177
 178 <p>Rebuild the catalog file on the specified
 179 file-system.</p> </td></tr>
 180 <tr valign="top" align="left">
 181 <td width="11%"></td>
 182 <td width="3%">
 183
 184
 185 <p><b>&minus;y</b></p></td>
 186 <td width="8%"></td>
 187 <td width="78%">
 188
 189
 190 <p>Always try to repair every corruption that is found.</p></td></tr>
 191 <tr valign="top" align="left">
 192 <td width="11%"></td>
 193 <td width="3%">
 194
 195
 196 <p><b>&minus;n</b></p></td>
 197 <td width="8%"></td>
 198 <td width="78%">
 199
 200
 201 <p>Never try to repair any corruption that is found.</p></td></tr>
 202 </table>
 203
 204 <h2>EXIT STATUS
 205 <a name="EXIT STATUS"></a>
 206 </h2>
 207
 208
 209 <p style="margin-left:11%; margin-top: 1em"><b>0</b>:
 210 Success quick test, file-system was cleanly unmounted.
 211 <b><br>
 212 3</b>: File-system Dirty, no checks. <b><br>
 213 4</b>: Writeable Root File-system was fixed. <b><br>
 214 8</b>: Standard error exit.</p>
 215
 216 <h2>BUGS
 217 <a name="BUGS"></a>
 218 </h2>
 219
 220
 221 <p style="margin-left:11%; margin-top: 1em">If you find a
 222 bug please send an email describing the problem to
 223 hfs-support@tuxera.com.</p>
 224
 225 <h2>AVAILABILITY
 226 <a name="AVAILABILITY"></a>
 227 </h2>
 228
 229
 230
 231 <p style="margin-left:11%; margin-top: 1em"><b>fsck_hfs</b>
 232 is part of the <b>Tuxera HFS+</b> package.</p>
 233 <hr>
 234 </body>
 235 </html>