# sfdisk -l -uM /dev/sda
Disk /dev/sda: 4425 cylinders, 255 heads, 63 sectors/track Units = megabytes of 1048576 bytes, blocks of 1024 bytes, counting from 0
Device Boot Start End MB #blocks Id System /dev/sda1 * 0+ 101- 102- 104391 83 Linux /dev/sda2 101+ 2157- 2056- 2104515 82 Linux swap /dev/sda3 2157+ 34710- 32554- 33334875 8e Linux LVM /dev/sda4 0 - 0 0 0 Empty
# parted -s /dev/sda print Disk geometry for /dev/sda: 0.000-34713.745 megabytes Disk label type: msdos Minor Start End Type Filesystem Flags 1 0.031 101.975 primary ext2 boot, type=83 2 101.975 2157.165 primary linux-swap type=82 3 2157.166 34710.754 primary lvm, type=8e
Then... if you want to get a volume groups / logical volumes list from a working machine you must use 'vgscan' and 'lvscan' commands...
Bye, Andrea
Brian Elliott Finley wrote:
Andrea Righi wrote:
Hi all,
here is a new patch for the LVM stuff (made from the CVS source). I've added also the commands to create LVM groups.
Before to continue the development I'd like to know what do you think about an opportune syntax to express and define LVM volumes, groups, etc... For now I've tried to use a syntax to integrate this features as easy as possible in the XML schema.
I'll have to think about that one. I think what you've got below makes sense.
Can you send the output from 'parted /dev/sda print' and 'sfdisk -l -uM /dev/sda'.
Cheers, -Brian
This is the definition of the tags I've used:
--- Disk Section ... part - ... ... lvm_group - name of the LVM group the partition will be added.
LVM Section
This section is used to create LVM groups and volumes. The section is indicated with the "lvm" tag.
lvm_group - LVM group definition. name - volume group name. lv - start information about a new logical volume. name - logical volume name. size - the size of the logical volume. ---
And this is an example of a possible autoinstallscript.conf with LVM decalarations:
---
<disk dev="/dev/sda" label_type="msdos" unit_of_measurement="MB">
<part num="1" size="24" p_type="primary" fs="ext2" p_name="-" flags="-" />
<part num="2" size="256" p_type="primary" fs="linux-swap" p_name="-" flags="-" />
<part num="3" size="3000" p_type="primary" p_name="-" flags="lvm" lvm_group="user" />
<part num="4" size="end_of_disk" p_type="primary" p_name="-" flags="lvm" lvm_group="system" />
</disk>
<disk dev="/dev/sdb" label_type="msdos" unit_of_measurement="MB">
<part num="1" size="1500" p_type="primary" fs="ext2" p_name="-" flags="-" />
<part num="2" size="1500" p_type="primary" p_name="-" flags="lvm" lvm_group="system" />
<part num="3" size="end_of_disk" p_type="primary" p_name="-" flags="lvm" lvm_group="user" />
</disk>
<lvm>
<lvm_group name="system">
<lv name="usrlv" size="500" />
<lv name="optlv" size="1500" />
<lv name="varlv" size="256" />
</lvm_group>
<lvm_group name="user">
<lv name="homelv" size="5000" fs="xfs" mp="/home" options="defaults,rw,user" />
<lv name="scratchlv" size="2000" fs="xfs" mp="/scratch" options="defaults,rw,user" />
</lvm_group>
</lvm>
<fsinfo line="10" real_dev="/dev/sdb1" mp="/" fs="ext3" options="defaults,errors=remount-ro" />
<fsinfo line="20" real_dev="/dev/sda1" mp="/boot" fs="ext3" options="defaults,ro,noexec" dump="0" pass="2" />
<fsinfo line="30" real_dev="/dev/system/usrlv" fs="ext3" mp="/usr" options="defaults,rw,user,exec" />
<fsinfo line="40" real_dev="/dev/system/optlv" fs="reiserfs" mp="/opt" options="defaults,rw,user" />
<fsinfo line="50" real_dev="/dev/system/varlv" fs="ext3" mp="/var" options="defaults,rw,user,noexec" />
<fsinfo line="60" real_dev="/dev/user/homelv" fs="xfs" mp="/home" options="defaults,rw,user,exec" />
<fsinfo line="70" real_dev="/dev/system/scratchlv" fs="ext3" mp="/scratch" options="defaults,rw,user,noexec" />
<fsinfo line="80" real_dev="/dev/fd0" mp="/floppy" fs="auto" options="defaults,user,noauto" dump="0" pass="0" format="no" />
<fsinfo line="90" real_dev="proc" mp="/proc" fs="proc" options="defaults" dump="0" pass="0" />
---
Regards, -Andrea
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