<para>îÁÞÎÉÔÅ Ó ÕÓÔÁÎÏ×ËÉ &os; ÎÁ ÐÅÒ×ÙÊ ÄÉÓË Ó Ä×ÕÍÑ ÒÁÚÄÅÌÁÍÉ.

    <para>ðÒÅÄÐÏÌÁÇÁÅÔÓÑ, ÞÔÏ &os; ÕÓÔÁÎÏ×ÌÅÎÁ ÎÁ ÐÅÒ×ÏÅ ÄÉÓËÏ×ÏÅ ÕÓÔÒÏÊÓÔ×Ï

      ïÄÉÎ ÉÚ ÜÔÉÈ ÒÁÚÄÅÌÏ× ÄÏÌÖÅÎ ÂÙÔØ ÒÁÚÄÅÌ swap, ÒÁ×ÎÙÊ Ä×ÕÍ ÒÁÚÍÅÒÁÍ

      <devicename>da0</devicename>. &man.gmirror.8; ÄÏÌÖÅÎ ÚÎÁÔØ, ÞÔÏ ÄÁÎÎÏÅ ÕÓÔÒÏÊÓÔ×Ï

      <acronym>RAM</acronym>, Á ×ÓÅ ÏÓÔÁÌØÎÏÅ ÍÅÓÔÏ ÏÔ×ÅÄÅÎÏ ÐÏÄ ËÏÒÎÅ×ÕÀ

      Ñ×ÌÑÅÔÓÑ ÏÓÎÏ×ÎÙÍ × ÈÒÁÎÅÎÉÉ ÉÆÎÏÒÍÁÃÉÉ.</para>

      ÆÁÊÌÏ×ÕÀ ÓÉÓÔÅÍÕ (<filename role="directory">/</filename>).

      ÷ÏÚÍÏÖÎÏ ÔÁËÖÅ ÉÍÅÔØ ÏÔÄÅÌØÎÙÅ ÒÁÚÄÅÌÙ É ÄÌÑ ÏÓÔÁÌØÎÙÈ ÔÏÞÅË

    <para>ðÅÒÅÄ ÐÏÓÔÒÏÊËÏÊ ÚÅÒËÁÌÁ ÎÅÏÂÈÏÄÉÍÏ ×ËÌÀÞÉÔØ ÄÏÐÏÌÎÉÔÅÌØÎÕÀ ÏÔÌÁÄÏÞÎÕÀ

      ÍÏÎÔÉÒÏ×ÁÎÉÑ, ÎÏ ÔÁË ËÁË ÜÔÏ × ÎÅÓËÏÌØËÏ ÒÁÚ Õ×ÅÌÉÞÉ×ÁÅÔ

       ÉÎÆÏÒÍÁÃÉÀ É ÏÔËÒÙÔØ ÄÏÓÔÕÐ Ë ÕÓÔÒÏÊÓÔ×Õ ÈÒÁÎÅÎÉÑ ÄÁÎÎÙÈ, ÕÓÔÁÎÏ×É× 

      ËÏÌÉÞÅÓÔ×Ï ÍÁÎÉÐÕÌÑÃÉÊ Ó &man.bsdlabel.8; É &man.fdisk.8;,

       ÚÎÁÞÅÎÉÅ ÐÅÒÅÍÅÎÎÏÊ <varname>kern.geom.debugflags</varname> &man.sysctl.8;

      ÔÏ × ÄÁÎÎÏÊ ÇÌÁ×Å ÍÙ ÏÓÔÁÎÏ×ÉÍÓÑ ÎÁ ÂÏÌÅÅ ÐÒÏÓÔÏÍ ×ÁÒÉÁÎÔÅ.</para>

       ÎÁ ÓÌÅÄÕÀÝÅÅ:</para>

    <para>ðÏÓÌÅ ÕÓÔÁÎÏ×ËÉ ÐÅÒÅÚÁÇÒÕÚÉÔÅÓØ É ÄÏÖÄÉÔÅÓØ ÏËÏÎÞÁÎÉÑ ÉÎÉÃÉÁÌÉÚÁÃÉÉ

    <screen>&prompt.root; <userinput>sysctl kern.geom.debugflags=17</userinput></screen>

      ÓÉÓÔÅÍÙ, ÚÁÔÅÍ ×ÏÊÄÉÔÅ ËÁË ÓÕÐÅÒÐÏÌØÚÏ×ÁÔÅÌØ <username>root</username>.

    </para>

    <para>ôÅÐÅÒØ ÓÏÚÄÁ£Í ÚÅÒËÁÌÏ. îÁÞÎ£Í ÐÒÏÃÅÄÕÒÕ Ó ÓÏÈÒÁÎÅÎÉÑ ÍÅÔÁÄÁÎÎÙÈ ÎÁ

       ÏÓÎÏ×ÎÏÍ ÄÉÓËÏ×ÏÍ ÕÓÔÒÏÊÓÔ×Å, ÔÅÍ ÓÁÍÙÍ ÓÏÚÄÁ£Í <filename class="devicefile">/dev/mirror/gm</filename>

    <para>óÏÚÄÁÊÔÅ ÕÓÔÒÏÊÓÔ×Ï <devicename>/dev/mirror/gm</devicename> É Ó×ÑÖÉÔÅ

       ÕÓÔÒÏÊÓÔ×Ï, ÉÓÐÏÌØÚÕÑ ÓÌÅÄÕÀÝÕÀ ËÏÍÁÎÄÕ:</para>

      ÅÇÏ Ó ÕÓÔÒÏÊÓÔ×ÏÍ <devicename>/dev/da1</devicename>:</para>

    <screen>&prompt.root; <userinput>gmirror label -vnb round-robin gm0 /dev/da1</userinput></screen>

    <para>÷ ÏÔ×ÅÔ ×Ù ÄÏÌÖÎÙ ÐÏÌÕÞÉÔØ ÓÏÏÂÝÅÎÉÅ:</para>

    <screen>

Metadata value stored on /dev/da1.

Done.</screen>

    <para>éÎÉÃÉÁÌÉÚÉÒÕÊÔÅ GEOM; ÜÔÁ ËÏÍÁÎÄÁ ÚÁÇÒÕÚÉÔ ÍÏÄÕÌØ ÑÄÒÁ

      <filename>/boot/kernel/geom_mirror.ko</filename>:</para>

    <screen>&prompt.root; <userinput>gmirror load</userinput></screen>

    <note>

      <para>üÔÁ ËÏÍÁÎÄÁ ÓÏÚÄÁÓÔ ÕÓÔÒÏÊÓÔ×Á

	<devicename>gm0</devicename>, <devicename>gm0s1</devicename>,

	<devicename>gm0s1a</devicename> É <devicename>gm0s1c</devicename>

	× ËÁÔÁÌÏÇÅ <filename role="directory">/dev/mirror</filename>.

	</para>

    </note>

    <para>õÓÔÁÎÏ×ÉÔÅ ÓÔÁÎÄÁÒÔÎÕÀ ÒÁÚÍÅÔËÕ <command>fdisk</command> É

      ÚÁÇÒÕÚÞÉË ÎÁ ÎÏ×ÏÅ ÕÓÔÒÏÊÓÔ×Ï <devicename>gm0</devicename>:</para>

    <screen>&prompt.root; <userinput>fdisk -vBI /dev/mirror/gm0</userinput></screen>

    <para>ôÅÐÅÒØ ÕÓÔÁÎÏ×ÉÔÅ ÓÔÁÎÄÁÒÔÎÕÀ ÒÁÚÍÅÔËÕ

      <command>bsdlabel</command>:</para>

    <screen>&prompt.root; <userinput>bsdlabel -wB /dev/mirror/gm0s1</userinput></screen>

    <note>

      <para>åÓÌÉ Õ ×ÁÓ ÎÅÓËÏÌØËÏ ÓÌÁÊÓÏ× ÉÌÉ ÒÁÚÄÅÌÏ×, ÐÁÒÁÍÅÔÒÙ

	Ä×ÕÈ ÐÒÅÄÙÄÕÝÉÈ ËÏÍÁÎÄ ÄÏÌÖÎÙ ÂÙÔØ ÄÒÕÇÉÍÉ.  óÒÅÄÉ ÎÉÈ ÄÏÌÖÎÙ

	ÂÙÔØ ÕËÁÚÁÎÙ ÒÁÚÍÅÒÙ ÓÌÁÊÓÏ× É ÒÁÚÄÅÌÏ×.

      </para>

    </note>

    <para>éÓÐÏÌØÚÕÊÔÅ &man.newfs.8;, ÞÔÏÂÙ ÓÏÚÄÁÔØ ÆÁÊÌÏ×ÕÀ ÓÉÓÔÅÍÕ ÎÁ

      ÕÓÔÒÏÊÓÔ×Å <devicename>gm0s1a</devicename>:</para>

    <screen>&prompt.root; <userinput>newfs -U /dev/mirror/gm0s1a</userinput></screen>

    <para>üÔÏ ÚÁÓÔÁ×ÉÔ ÓÉÓÔÅÍÕ ÐÒÏÁÓÓÏÃÉÉÒÏ×ÁÔØ ÕÓÔÒÏÊÓÔ×Á, É ÜÔÏ ÈÏÒÏÛÏ.

      ðÒÏ×ÅÒØÔÅ, ÎÅ ÂÙÌÏ ÌÉ ÓÏÏÂÝÅÎÉÊ Ï ÏÛÉÂËÁÈ, É ÓÍÏÎÔÉÒÕÊÔÅ ÕÓÔÒÏÊÓÔ×Ï

      × ËÁÔÁÌÏÇ <filename role="directory">/mnt</filename>:</para>

    <screen>&prompt.root; <userinput>mount /dev/mirror/gm0s1a /mnt</userinput></screen>

    <para>ôÅÐÅÒØ ÐÅÒÅÍÅÓÔÉÔÅ ×ÓÅ ÄÁÎÎÙÅ Ó ÚÁÇÒÕÚÏÞÎÏÇÏ ÄÉÓËÁ ÎÁ ÔÏÌØËÏ

      ÞÔÏ ÓÏÚÄÁÎÎÕÀ ÆÁÊÌÏ×ÕÀ ÓÉÓÔÅÍÕ.  äÌÑ ÜÔÏÇÏ ÉÓÐÏÌØÚÕÊÔÅ &man.dump.8; É

      &man.restore.8;; × ÎÅËÏÔÏÒÙÈ ÓÌÕÞÁÑÈ ÍÏÖÎÏ ÉÓÐÏÌØÚÏ×ÁÔØ &man.dd.1;.</para>

    <screen>&prompt.root; <userinput>dump -L -0 -f- / |(cd /mnt &amp;&amp; restore -r -v -f-)</userinput></screen>

      <warning>

        <para>óÏÚÄÁÎÉÅ ÚÅÒËÁÌÁ ×ÎÅ ÚÁÇÒÕÚÏÞÎÏÇÏ ÕÓÔÒÏÊÓÔ×Ï ÍÏÖÅÔ ÐÏ×ÌÅÞØ

    <para>ðÒÏÄÅÌÁÊÔÅ ÜÔÏ ÓÏ ×ÓÅÍÉ ÆÁÊÌÏ×ÙÍÉ ÓÉÓÔÅÍÁÍÉ.  ðÒÏÓÔÏ ÐÏÄÓÔÁ×ØÔÅ

           ÚÁ ÓÏÂÏÊ ÐÏÔÅÒÀ ÄÁÎÎÙÈ, × ÔÏÍ ÓÌÕÞÁÅ ÅÓÌÉ ÏÎÉ ÓÏÈÒÁÎÅÎÙ × ÐÏÓÌÅÄÎÅÍ

      ÎÕÖÎÕÀ ÆÁÊÌÏ×ÕÀ ÓÉÓÔÅÍÕ × ÐÒÅÄÙÄÕÝÕÀ ËÏÍÁÎÄÕ.</para>

           ÓÅËÔÏÒÅ ÄÉÓËÁ. òÉÓË ×ÏÚÍÏÖÎÏ ÕÍÅÎØÛÉÔØ, ÅÓÌÉ ÓÏÚÄÁ×ÁÔØ ÚÅÒËÁÌÏ ÓÒÁÚÕ

           ÐÏÓÌÅ ÕÓÔÁÎÏ×ËÉ &os;.</para>

    <para>ôÅÐÅÒØ ÏÔÒÅÄÁËÔÉÒÕÊÔÅ <filename>/mnt/etc/fstab</filename>

      </warning>

      É ÚÁËÏÍÍÅÎÔÉÒÕÊÔÅ swap ÆÁÊÌ

      <footnote>

	<para>óÌÅÄÕÅÔ ÚÁÍÅÔÉÔØ, ÞÔÏ ÐÏÓÌÅ ËÏÍÍÅÎÔÉÒÏ×ÁÎÉÑ ÚÁÐÉÓÉ Ï ÒÁÚÄÅÌÅ

	  ÐÏÄËÁÞËÉ × ÆÁÊÌÅ <filename>fstab</filename> ×ÁÍ, ÓËÏÒÅÅ ×ÓÅÇÏ,

	  ÐÏÔÒÅÂÕÅÔÓÑ ÒÁÚÒÅÛÉÔØ ÐÏÄËÁÞËÕ ËÁËÉÍ-ÌÉÂÏ ÄÒÕÇÉÍ ÓÐÏÓÏÂÏÍ.

	  ïÂÒÁÔÉÔÅÓØ Ë <xref linkend="adding-swap-space"> ÚÁ ÄÏÐÏÌÎÉÔÅÌØÎÏÊ

	  ÉÎÆÏÒÍÁÃÉÅÊ.</para>

      </footnote>.

      éÚÍÅÎÉÔÅ ÉÎÆÏÒÍÁÃÉÀ Ï ÄÒÕÇÉÈ ÆÁÊÌÏ×ÙÈ ÓÉÓÔÅÍÁÈ, ÒÁÚÍÅÝÅÎÎÙÈ ÎÁ ÄÉÓËÅ,

      ËÁË ÐÏËÁÚÁÎÏ × ÐÒÉÍÅÒÅ:

    <programlisting># Device                Mountpoint      FStype  Options         Dump    Pass#

#/dev/da0s2b             none            swap    sw              0       0

/dev/mirror/gm0s1a       /               ufs     rw              1       1</programlisting>

    <para>óÏÚÄÁÊÔÅ ÆÁÊÌ <filename>boot.config</filename> ÎÁ ÏÂÏÉÈ

      ÒÁÚÄÅÌÁÈ: ÓÏÚÄÁÎÎÏÍ É ÓÕÝÅÓÔ×ÕÀÝÅÍ.  ó ÐÏÍÏÝØÀ ÜÔÏÇÏ ÆÁÊÌÁ

      <acronym>BIOS</acronym> ÓÍÏÖÅÔ ÚÁÇÒÕÚÉÔØ ÐÒÁ×ÉÌØÎÙÊ ÄÉÓË:</para>

    <screen>&prompt.root; <userinput>echo "1:da(1,a)/boot/loader" &gt; /boot.config</userinput></screen>

    <screen>&prompt.root; <userinput>echo "1:da(1,a)/boot/loader" &gt; /mnt/boot.config</userinput></screen>

    <screen>&prompt.root; <userinput>gmirror label -vb round-robin gm0 /dev/da0</userinput></screen>

    <note>

    <para>óÉÓÔÅÍÁ ÄÏÌÖÎÁ ×ÙÄÁÔØ ÓÏÏÔ×ÅÔÓ×ÕÀÝÉÅ ÓÏÏÂÝÅÎÉÅ:</para>

      <para>íÙ ÐÏÍÅÓÔÉÌÉ ÜÔÏÔ ÆÁÊÌ × ÏÂÁ ËÏÒÎÅ×ÙÈ ÒÁÚÄÅÌÁ ÎÁ ÔÏÔ ÓÌÕÞÁÊ,

	ÅÓÌÉ ÐÏ ËÁËÉÍ-ÌÉÂÏ ÐÒÉÞÉÎÁÍ ÓÉÓÔÅÍÁ ÎÅ ÓÍÏÖÅÔ ÚÁÇÒÕÚÉÔØÓÑ Ó ÎÏ×ÏÇÏ

	ÒÁÚÄÅÌÁ.  ÷ ÔÁËÏÍ ÓÌÕÞÁÅ ÚÁÇÒÕÚËÁ ÓÏ ÓÔÁÒÏÇÏ ×ÓÅ ÅÝÅ ÂÕÄÅÔ ×ÏÚÍÏÖÎÁ.</para>

    </note>

    <para>÷ËÌÀÞÉÔÅ ÚÁÇÒÕÚËÕ ÍÏÄÕÌÑ <filename>geom_mirror.ko</filename> ÐÒÉ

      <screen>Metadata value stored on /dev/da0.

      ÓÔÁÒÔÅ ÓÉÓÔÅÍÙ, ×ÙÐÏÌÎÉ× ÓÌÅÄÕÀÝÕÀ ËÏÍÁÎÄÕ:</para>

Done.</screen>

    <screen>&prompt.root; <userinput>echo 'geom_mirror_load="YES"' &gt;&gt; /mnt/boot/loader.conf</userinput></screen>

<para>éÎÉÃÉÁÌÉÚÁÃÉÑ GEOM, ×ÌÅÞ£Ô ÚÁ ÓÏÂÏÊ ÚÁÇÒÕÚËÕ

	<filename>/boot/kernel/geom_mirror.ko</filename> ÍÏÄÕÌÑ

	ÑÄÒÁ:</para>

    <para>ðÅÒÅÚÁÇÒÕÚÉÔÅÓØ:</para>

      <screen>&prompt.root; <userinput>gmirror load</userinput></screen>

    <screen>&prompt.root; <userinput>shutdown -r now</userinput></screen>

      <note>

	<para>ëÏÇÄÁ ÜÔÁ ËÏÍÁÎÄÁ ×ÙÐÏÌÎÉÔÓÑ ÕÓÐÅÛÎÏ, ÂÕÄÅÔ ÓÏÚÄÁÎÏ

	  <devicename>gm0</devicename> ÕÓÔÒÏÊÓÔÏ × ÄÉÒÅËÔÏÒÉÉ

	  <filename class="directory">/dev/mirror</filename>.</para>

      </note>

    <para>åÓÌÉ ×ÓÅ ÂÙÌÏ ÓÄÅÌÁÎÏ ÐÒÁ×ÉÌØÎÏ, ÓÉÓÔÅÍÁ ÚÁÇÒÕÚÉÔÓÑ Ó

      <para>÷ËÌÀÞÅÎÉÅ ÚÁÇÒÕÚËÉ <filename>geom_mirror.ko</filename>

      <devicename>gm0s1a</devicename>.  åÓÌÉ ÖÅ ÞÔÏ-ÔÏ ÐÏÊÄ£Ô ÎÅ ÔÁË, ÏÂÒÁÔÉÔÅÓØ

	ÍÏÄÕÌÑ ×Ï ×ÒÅÍÑ ÉÎÉÃÉÁÌÉÚÁÃÉÉ ÓÉÓÔÅÍÙ:</para>

      Ë ÓÅËÃÉÉ <quote>òÅÛÅÎÉÅ ÐÒÏÂÌÅÍ</quote>.

    </para>

    <para>ôÅÐÅÒØ ÄÏÂÁ×ØÔÅ ÄÉÓË

      <screen>&prompt.root; <userinput>echo 'geom_mirror_load="YES"' &gt;&gt; /boot/loader.conf</userinput></screen>

      <devicename>da0</devicename> Ë ÕÓÔÒÏÊÓÔ×Õ

      <devicename>gm0</devicename>:</para>

    <screen>&prompt.root; <userinput>gmirror configure -a gm0</userinput>

      <para>îÅÏÂÈÏÄÉÍÏ ÏÔÒÅÄÁËÔÉÒÏ×ÁÔØ ÆÁÊÌ <filename>/etc/fstab</filename> ,

&prompt.root; <userinput>gmirror insert gm0 /dev/da0</userinput></screen>

	ÚÁÍÅÎÑÑ ÓÔÁÒÙÅ ÓÓÙÌËÉ ÎÁ ÕÓÔÒÏÊÓÔ×Ï <devicename>da0</devicename> ÎÏ×ÙÍÉ

	ÎÏÄÁÍÉ ÚÅÒËÁÌÁ <devicename>gm0</devicename> .</para>

<note>

	<para>åÓÌÉ &man.vi.1; Ñ×ÌÑÅÔÓÑ ÷ÁÛÉÍ ÌÀÂÉÍÙÍ ÒÅÄÁËÔÏÒÏÍ, ÓÌÅÄÕÀÝÅÅ Ñ×ÌÑÅÔÓÑ

	  ÐÒÏÓÔÙÍ ÛÁÇÏÍ ÄÌÑ ÚÁ×ÅÒÛÅÎÉÑ ÎÁÛÅÊ ÚÁÄÁÞÉ:</para>

	<screen>&prompt.root; <userinput>vi /etc/fstab</userinput></screen>

	<para>÷ &man.vi.1; ÓÏÈÒÁÎÉÔÅ ÔÅËÕÝÕÀ ËÏÐÉÀ ×ÁÛÅÇÏ ÆÁÊÌÁ

	  <filename>fstab</filename> ××ÅÄÑ

	  <userinput>:w /etc/fstab.bak</userinput>.  úÁÔÅÍ

	  ÚÁÍÅÎÉÔÅ ÓÔÁÒÙÅ ÓÓÙÌËÉ <devicename>da0</devicename>

	  ÎÁ ÎÏ×ÙÊ <devicename>gm0</devicename> ××ÅÄÑ

	  <userinput>:%s/da/mirror\/gm/g</userinput>.<para>

      </note>

    <para>ëÌÀÞ <option>-a</option> ÄÁÓÔ ÕÔÉÌÉÔÅ ËÏÍÁÎÄÕ &man.gmirror.8;

      <para>óÏÄÅÒÖÉÍÏÅ ÆÁÊÌÁ <filename>fstab</filename>

      ÉÓÐÏÌØÚÏ×ÁÔØ Á×ÔÏÍÁÔÉÞÅÓËÕÀ ÓÉÎÈÒÏÎÉÚÁÃÉÀ, ÔÏ ÅÓÔØ Á×ÔÏÍÁÔÉÞÅÓËÉ

	ÄÏÌÖÎÏ ÂÙÔØ ÓÌÅÄÕÀÝÉÍ.  îÅ ÉÍÅÅÔ ÚÎÁÞÅÎÉÑ ÉÌÉ ÄÉÓËÏ×ÙÅ ÐÒÉ×ÏÄÙ

      ÄÕÂÌÉÒÏ×ÁÔØ ÚÁÐÉÓØ ÎÁ ÄÉÓËÉ.  óÔÒÁÎÉÃÁ ÓÐÒÁ×ËÉ ÒÁÚßÑÓÎÑÅÔ, ËÁË

	Ñ×ÌÑÀÔÓÑ ÉÌÉ <acronym>SCSI</acronym> ÉÌÉ <acronym>ATA</acronym>,

      ÐÅÒÅÓÔÒÁÉ×ÁÔØ É ÚÁÍÅÎÑÔØ ÄÉÓËÉ, âÕÄØÔÅ ×ÎÉÍÁÔÅÌØÎÙ, ×ÍÅÓÔÏ

	ÕÓÔÒÏÊÓÔ×Ï <acronym>RAID</acronym> ×ÓÅÒÁ×ÎÏ ÂÕÄÅÔ

      <devicename>gm0</devicename> ÔÁÍ ÉÓÐÏÌØÚÏ×ÁÎÏ ÏÂÏÚÎÁÞÅÎÉÅ

	<devicename>gm</devicename> .</para>

      <devicename>data</devicename>.</para>

      <programlisting># Device                Mountpoint      FStype  Options         Dump    Pass#

/dev/mirror/gm0s1b     			         none            swap    sw              0       0

/dev/mirror/gm0s1a              		/               ufs     rw              1       1

/dev/mirror/gm0s1d				/usr		ufs	rw		0	0

/dev/mirror/gm0s1f				/home		ufs	rw		2	2

#/dev/mirror/gm0s2d             		/store          ufs     rw              2       2

/dev/mirror/gm0s1e              		/var            ufs     rw              2       2

/dev/acd0               /cdrom          cd9660  ro,noauto       0       0</programlisting>

<para>ðÅÒÅÚÁÇÒÕÚÉÔÅ ÓÉÓÔÅÍÕ:</para>

      <screen>&prompt.root; <userinput>shutdown -r now</userinput></screen>

      <para>÷Ï ×ÒÅÍÑ ÉÎÉÃÉÁÌÉÚÁÃÉÉ ÓÉÓÔÅÍÙ ÕÓÔÒÏÊÓÔ×Ï

	<devicename>gm0</devicename> ÄÏÌÖÎÏ ÂÙÔØ ÉÓÐÏÌØÚÏ×ÁÎÏ × ÍÅÓÔÅ ÉÓÐÏÌØÚÏ×ÁÎÉÑ ÕÓÔÒÏÊÓÔ×Á

	<devicename>da0</devicename>.  ëÏÇÄÁ ÉÎÉÃÉÁÌÉÚÁÃÉÑ ÚÁ×ÅÒÛÉÌÁÓØ ÜÔÏ

	×ÏÚÍÏÖÎÏ ÐÒÏ×ÅÒÉÔØ ÉÚÕÞÉ× ×Ù×ÏÄ ËÏÍÍÁÎÄÙ <command>mount</command> command:</para>

      <screen>&prompt.root; <userinput>mount</userinput>

Filesystem         1K-blocks    Used    Avail Capacity  Mounted on

/dev/mirror/gm0s1a   1012974  224604   707334    24%    /

devfs                      1       1        0   100%    /dev

/dev/mirror/gm0s1f  45970182   28596 42263972     0%    /home

/dev/mirror/gm0s1d   6090094 1348356  4254532    24%    /usr

/dev/mirror/gm0s1e   3045006 2241420   559986    80%    /var

devfs                      1       1        0   100%    /var/named/dev</screen>

      <para>÷Ù×ÏÄ ÜÔÏ ÐÏËÁÚÙ×ÁÅÔ ÈÏÒÏÛÏ.  ôÅÐÅÒØ ÄÌÑ ÎÁÞÁÌÁ ÓÉÎÈÒÏÎÉÚÁÃÉÉ

	ÎÅÏÂÈÏÄÉÍÏ ÐÏÍÅÓÔÉÔØ ÄÉÓË <devicename>da1</devicename>

	× ÚÅÒËÁÌÏ, ÉÓÐÏÌØÚÕÑ ÄÌÑ ÜÔÏÇÏ ÓÌÅÄÕÀÝÕÀ ËÏÍÁÎÄÕ:</para>

      <screen>&prompt.root; <userinput>gmirror insert gm0 /dev/da1</userinput></screen>

      <para>÷Ï ×ÒÅÍÑ ÓÉÎÈÒÏÎÉÚÁÃÉÉ ×ÏÚÍÏÖÎÏ ÐÒÏ×ÅÒÉÔØ ÔÅËÕÝÉÊ ÓÔÁÔÕÓ ÚÅÒËÁÌÁ, ÉÓÐÏÌØÚÕÑ

	ÓÌÅÄÕÀÝÕÀ ËÏÍÁÎÄÕ:</para>

      <screen>&prompt.root; <userinput>gmirror status</userinput></screen>

      <para>ëÏÇÄÁ ÓÉÈÒÏÎÉÚÁÃÉÑ ÂÕÄÅÔ ÚÁ×ÅÒÛÅÎÁ, ÚÅÒËÁÌÏ ÂÕÄÅÔ ÐÏÓÔÒÏÅÎÏ.

	÷ÙÛÅÕËÁÚÁÎÎÁÑ ËÏÍÁÎÄÁ ÜÔÏ ÐÏËÁÖÅÔ:</para>

      <screen>      Name    Status  Components

mirror/gm0  COMPLETE  da0

                      da1</screen>

      <para>åÓÌÉ ×ÏÚÎÉËÁÀÔ ÎÅËÏÔÏÒÙÅ ÎÀÁÎÓÙ, ÉÌÉ ÐÏÓÔÒÏÊËÁ ÚÅÒËÁÌÁ × ÐÒÏÃÅÓÓÅ

	 ÄÁÎÎÙÊ ÐÒÉÍÅÒ ÜÔÏ ÄÅÍÏÎÓÔÒÉÒÕÅÔ:

	<literal>DEGRADED</literal> in place of

	<literal>COMPLETE</literal>.</para>

    </sect2>

    <sect2>

<sect2>

	<para>åÓÌÉ ÓÉÓÔÅÍÁ ÐÒÅËÒÁÝÁÅÔ ÚÁÇÒÕÚËÕ É ×ÙÄÁÅÔ ÓÔÒÏËÕ:</para>

	<para>åÓÌÉ ÓÉÓÔÅÍÁ ÚÁÇÒÕÖÁÅÔÓÑ ÄÏ ÓÔÒÏËÉ ×ÉÄÁ:</para>

	<para>ðÅÒÅÚÁÇÒÕÚÉÔÅ ËÏÍÐØÀÔÅÒ ËÎÏÐËÏÊ ÐÉÔÁÎÉÑ ÉÌÉ ËÎÏÐËÏÊ

	<para>ðÅÒÅÇÒÕÚÉÔÅ ÍÁÛÉÎÕ, ÉÓÐÏÌØÚÕÑ ËÎÏÐËÕ ×ÙËÌÀÞÅÎÉÑ ÉÌÉ ÐÅÒÅÚÁÇÒÕÚËÉ.

	<quote>Reset</quote>.  ÷ ÚÁÇÒÕÚÏÞÎÏÍ ÍÅÎÀ ×ÙÂÅÒÉÔÅ ÏÐÃÉÀ (6).

	  ÷ ÚÁÇÒÕÚÏÞÎÏÍ ÍÅÎÀ×ÙÂÅÒÉÔÅ ÐÕÎËÔ (6).  üÔÏ ×ÙÂÒÏÓÉÔ ÷ÁÓ × 

	üÔÏ ÐÒÉ×ÅÄ£Ô Ë ÔÏÍÕ, ÞÔÏ ÓÉÓÔÅÍÁ ×ÙÄÁÓÔ ÐÒÉÇÌÁÛÅÎÉÅ &man.loader.8;.

	  ÓÉÓÔÅÍÎÕÀ ËÏÍÁÎÄÎÕÀ ÓÔÒÏËÕ &man.loader.8; ÚÁÇÒÕÚÞÉËÁ.  úÁÇÒÕÚÉÔÅ ÍÏÄÕØ 

	úÁÇÒÕÚÉÔÅ ÍÏÄÕÌØ ÑÄÒÁ ×ÒÕÞÎÕÀ:</para>

          ÑÄÒÁ ×ÒÕÞÎÕÀ:</para>

	<para>åÓÌÉ ÜÔÏ ÓÒÁÂÏÔÁÌÏ, ÍÏÄÕÌØ ÑÄÒÁ ÐÏ ËÁËÏÊ-ÌÉÂÏ ÐÒÉÞÉÎÅ

	<para>åÓÌÉ ÜÔÏ ÒÁÂÏÔÁÅÔ, ÚÎÁÞÉÔ ÍÏÄÕÌØ ÎÅ ÂÙÌ ÚÁÇÒÕÖÅÎ ÄÏÌÖÎÙÍ ÏÂÒÁÚÏÍ.  

	   ÎÅ ÚÁÇÒÕÚÉÌÓÑ ÐÒÁ×ÉÌØÎÏ.  äÏÂÁ×ØÔÅ ÓÔÒÏËÕ</para>

          ðÒÏ×ÅÒÔÅ, ÞÔÏ ÚÁÐÉÓÉ × ÆÁÊÌÅ <filename>/boot/loader.conf</filename> Ñ×ÌÑÀÔÓÑ ËÏÒÅËÔÎÙÍÉ.  

          åÓÌÉ ÐÒÏÂÌÅÍÁ ÐÏ×ÔÏÒÑÅÔÓÑ ÐÏÍÅÓÔÉÔÅ ÓÔÒÏËÕ:</para>

	<para>× ÆÁÊÌ ËÏÎÆÉÇÕÒÁÃÉÉ ÑÄÒÁ, ÐÅÒÅÓÏÂÅÒÉÔÅ É ÐÅÒÅÕÓÔÁÎÏ×ÉÔÅ ÑÄÒÏ.

	<para>ÆÁÊÌ ËÏÎÆÉÇÕÒÁÃÉÉ ÑÄÒÁ, ÚÁÔÅÍ ÏÔËÏÍÐÉÌÉÒÕÊÔÅ ÅÇÏ É ÕÓÔÁÎÏ×ÉÔÅ.

	  üÔÏ ÄÏÌÖÎÏ ÕÓÔÒÁÎÉÔØ ÐÒÏÂÌÅÍÕ.</para>

	  üÔÏ ÄÏÌÖÎÏ ÐÏÍÏÞØ.</para>

  <sect1 id="geom-ggate">

    <sect2>

      <title>÷ÏÓÓÔÁÎÏ×ÌÅÎÉÅ ÐÏÓÌÅ ÚÂÏÅ×</title>

      <para>ðÒÅËÒÁÓÎÏÊ ÏÓÏÂÅÎÎÏÓÔØÀ ÚÅÒËÁÌÉÒÏ×ÁÎÉÑ Ñ×ÌÑÅÔÓÑ ÔÏ, ÞÔÏ ÐÏÓÌÅ

	ÄÉÓËÏ×ÙÈ ÚÂÏÅ×, ÓÁÍÉ ÄÉÓËÉ ÍÏÖÎÏ ÍÅÎÑÔØ ÂÅÚ ËÁËÉÈ ÌÉÂÏ ÐÏÔÅÒØ ÄÁÎÎÙÈ.</para>

      <para>÷ ÓÏÏÔ×ÅÔÓ×ÉÉ Ó ÐÒÅÄÙÄÕÝÅÊ ËÏÎÆÉÇÕÒÁÃÉÅÊ <acronym>RAID</acronym>1

	ÂÕÄÅÍ ÓÞÉÔÁÔØ, ÞÔÏ ÕÓÔÒÏÊÓÔ×Ï <devicename>da1</devicename>

	×ÙÛÌÏ ÉÚ ÓÔÒÏÑ É ÎÕÖÄÁÅÔÓÑ × ÚÁÍÅÎÅ.  äÌÑ ÜÔÏÇÏ, ÎÅÏÂÈÏÄÉÍÏ

	ÏÐÒÅÄÉÌÉÔØ ËÁËÏÊ ÄÉÓË ÄÁÌ ÚÂÏÊ É ×ÙËÌÀÞÉÔØ ÓÉÓÔÅÍÕ. ó ÜÔÏÇÏ ÍÅÓÔÁ

        ÄÉÓË ÍÏÖÅÔ ÂÙÔØ ÚÁÍÅÎÅÎ ÎÏ×ÙÍ É ÓÉÓÔÅÍÁ ×ÅÒΣÔÓÑ × ÐÒÅÖÎÅÅ ÓÏÓÔÏÑÎÉÅ.

	ðÏÓÌÅ ÐÅÒÅÚÁÇÒÕÚËÉ ÓÌÅÄÕÀÝÉÅ ËÏÍÁÎÄÙ ÎÕÖÎÏ ÉÓÐÏÌØÚÏ×ÁÔØ ÄÌÑ ÚÁÍÅÎÙ ÄÉÓËÁ:</para>

      <screen>&prompt.root; <userinput>gmirror forget gm0</userinput></screen>

      <screen>&prompt.root; <userinput>gmirror insert gm0 /dev/da1</userinput></screen>

      <para>éÓÐÏÌØÚÕÊÔÅ ËÏÍÁÎÄÕ <command>gmirror</command> <option>status</option>

	ÄÌÑ ÎÁÂÌÀÄÅÎÉÑ ÚÁ ÐÒÏÃÅÓÓÏÍ ÐÏÓÔÒÏÅÎÉÅ ÚÅÒËÁÌÁ.  üÔÏ ÔÁË ÐÒÏÓÔÏ.</para>

    </sect2>

  </sect1>

 <sect1 id="geom-ggate">