[linux-lvm] VGDA Question
bluca at comedia.it
Thu Sep 8 07:14:23 UTC 2005
On Wed, Sep 07, 2005 at 07:46:00AM -0700, Rik Herrin wrote:
> According to the LVM man page, the VGDA (Volume Group
>Descriptor Area) holds the metadata responsible for
>keeping information about the LVs. However, it is
>contained in the PVs. Why does the VGDA contain both
>LV descriptors and PE descriptors? Shouldn't it just
>have PE descriptors and leave the LV descriptors to
i tried, but fail to understand your question.
The VGDA is the only place on disk where information necessary for
activation of the volume group and contained logical volume can be
>the volume group? Also, when booting, what makes the
>kernel know that there are VGs and LVs? Does it look
The kernel doesn't. lvm is setup by user space tools.
>Finally, where exactly is the VGDA information held?.
>Thanks for your time.
at the beginning of the PV
Luca Berra -- bluca at comedia.it
Communication Media & Services S.r.l.
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