 | | | root on LV should be used by advanced users only | root on LV should be used by advanced users only 2006-05-29 - By A.Fadyushin@(protected)
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It means that if your root filesystem resides on the LVM partition, the
kernel will need the LVM subsystem activated before mounting the root
filesystem. Of course, this means that the activation should be made
without using the root filrsystem or anything on it. Therefore, the LVM
activation should be done from the initrd image (and the image should be
appropriately made for that purpose), because it is passed to the kernel
by bootloader and is accessible without the need for the root
filesystem.
Anyway, you usually does not need to prepare such an initrd image
manually because all current distributions have the LVM support already
built in the shipped initrd images and mkinird scripts.
Alexey Fadyushin
Brainbench MVP for Linux.
http://www.brainbench.com
__ ____ ____ ____ ____ ____ ____
From: redhat-install-list-bounces@(protected)
[mailto:redhat-install-list-bounces@(protected)] On Behalf Of Salman
Siddiqui
Sent: Monday, May 29, 2006 8:25 AM
To: redhat-install-list@(protected)
Subject: root on LV should be used by advanced users only
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -----
root on LVM requires an initrd image that activates the root LV. If a
kernel is upgraded without building the necessary initrd image, that
kernel will be unbootable. Newer distributions support lvm in their
mkinitrd scripts as well as their packaged initrd images, so this
becomes less of an issue over time.
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -----
i found this on following link
http://en.tldp.org/HOWTO/LVM-HOWTO/benefitsoflvmsmall.html
what this means ???
i cannot give lvm to root??
destiny drives the world...
try driving destiny!!!
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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>It means that if your
root filesystem resides on the LVM partition, the kernel will need the LVM
subsystem activated before mounting the root filesystem. Of course, this means
that the activation should be made without using the root filrsystem or
anything on it. Therefore, the LVM activation should be done from the initrd
image (and the image should be appropriately made for that purpose), because it
is passed to the kernel by bootloader and is accessible without the need for
the root filesystem.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Anyway, you usually does
not need to prepare such an initrd image manually because all current
distributions have the LVM support already built in the shipped initrd images
and mkinird scripts.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span><
/font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Alexey Fadyushin<o:p></o
:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Brainbench MVP for Linux.
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>http://www.brainbench.com
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
redhat-install-list-bounces@(protected) [mailto:redhat-install-list-bounces
@(protected)]
<b><span style='font-weight:bold'>On Behalf Of </span></b>Salman Siddiqui<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, May 29, 2006 8:25 AM
<br>
<b><span style='font-weight:bold'>To:</span></b> redhat-install-list@(protected)
<br>
<b><span style='font-weight:bold'>Subject:</span></b> root on LV should be used
by advanced users only</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p style='margin-bottom:12.0pt'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
-- ---- ------
<br>
root on LVM requires an initrd image that activates the root LV. If a kernel is
upgraded without building the necessary initrd image, that kernel will be
unbootable. Newer distributions support lvm in their mkinitrd scripts as well
as their packaged initrd images, so this becomes less of an issue over time.
<br>
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -----<br>
<br>
i found this on following link<br>
http://en.tldp.org/HOWTO/LVM-HOWTO/benefitsoflvmsmall.html<br>
<br>
what this means ???<br>
<br>
i cannot give lvm to root??<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>destiny drives the world... <br>
try driving destiny!!!<br>
<br>
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href="http://adworks.rediff.com/cgi-bin/AdWorks/sigclick.cgi/www.rediff.com
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