* [linux-lvm] On-disk and LVM internal metadata representation @ 2007-03-05 11:54 Nallammai S 2007-03-05 16:12 ` Dave Wysochanski 0 siblings, 1 reply; 2+ messages in thread From: Nallammai S @ 2007-03-05 11:54 UTC (permalink / raw) To: linux-lvm Hi, Whats the difference between on-disk metadata and LVM internal representation? How does LVM map between these two representations? Thanks in advance. Nallammai.S ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [linux-lvm] On-disk and LVM internal metadata representation 2007-03-05 11:54 [linux-lvm] On-disk and LVM internal metadata representation Nallammai S @ 2007-03-05 16:12 ` Dave Wysochanski 0 siblings, 0 replies; 2+ messages in thread From: Dave Wysochanski @ 2007-03-05 16:12 UTC (permalink / raw) To: LVM general discussion and development On Mon, 2007-03-05 at 04:54 -0700, Nallammai S wrote: > Hi, > > Whats the difference between on-disk metadata and LVM internal representation? How does LVM map between these two representations? > > Thanks in advance. > > Nallammai.S > It is different for LVM1 vs LVM2. LVM2 - text-based on-disk metadata - format-specific code in lib/format_text LVM1 - binary on-disk metadata - format-specific code in lib/format1 If you read the import*.[ch] and export*.[ch] files in the format specific directories you will get an understanding of the mapping. I also found following the label_read() function to be helpful. ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2007-03-05 16:12 UTC | newest] Thread overview: 2+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2007-03-05 11:54 [linux-lvm] On-disk and LVM internal metadata representation Nallammai S 2007-03-05 16:12 ` Dave Wysochanski
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