* RFC: Add WWN in superblock @ 2012-08-13 10:29 Jianpeng Ma 2012-08-13 23:54 ` NeilBrown 0 siblings, 1 reply; 2+ messages in thread From: Jianpeng Ma @ 2012-08-13 10:29 UTC (permalink / raw) To: Neil Brown; +Cc: linux-raid Hi neil: In mailist, many people ask the question about disk order. But because the reboot or anthor probelm, the disk-name maybe change. So we can't get disk-order.But if we can add WWN(Now,most harddisk has this attribute), we can find the orders anything. Thanks! ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: RFC: Add WWN in superblock 2012-08-13 10:29 RFC: Add WWN in superblock Jianpeng Ma @ 2012-08-13 23:54 ` NeilBrown 0 siblings, 0 replies; 2+ messages in thread From: NeilBrown @ 2012-08-13 23:54 UTC (permalink / raw) To: Jianpeng Ma; +Cc: linux-raid [-- Attachment #1: Type: text/plain, Size: 547 bytes --] On Mon, 13 Aug 2012 18:29:31 +0800 "Jianpeng Ma" <majianpeng@gmail.com> wrote: > Hi neil: > In mailist, many people ask the question about disk order. > But because the reboot or anthor probelm, the disk-name maybe change. > So we can't get disk-order.But if we can add WWN(Now,most harddisk has this attribute), > we can find the orders anything. > > Thanks! What exactly do you propose doing with a WWN - how would you use it. The metadata already contains enough information to determine the correct disk order. NeilBrown [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 828 bytes --] ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2012-08-13 23:54 UTC | newest] Thread overview: 2+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2012-08-13 10:29 RFC: Add WWN in superblock Jianpeng Ma 2012-08-13 23:54 ` NeilBrown
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