[Lustre-discuss] howto make a lvm, or virtual lvm?

Andreas Dilger andreas.dilger at oracle.com
Wed Dec 15 13:38:53 PST 2010


On 2010-12-15, at 10:06, Eudes PHILIPPE wrote:
> At the end, I want (if it's possible), a raid 5 over Ethernet, or, 1 physical raid 5 on each ostX and a big lvm I can extend as I want....

Lustre itself can not do RAID over the network, if that is what you are looking for...

> For my first test, I upload on client a file (1.8 Go) (each ost have 1 Go)
> The problem, is, when sdb is full, he stop the copy, and don't continue on ost2

If you create your file to be striped over both OSTs, then it should work.

Use "lfs setstripe -c2 /home/newfile" to specify a stripe count of 2.

Cheers, Andreas
--
Andreas Dilger
Lustre Technical Lead
Oracle Corporation Canada Inc.




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