[Lustre-discuss] Redundance with Lustre
Andreas Dilger
adilger at clusterfs.com
Tue Oct 9 16:29:15 PDT 2007
On Oct 10, 2007 00:16 +0200, Jos� M. Mart�n wrote:
> I'm consideranding to install Lustre in my job's cluster.
> Scenario is: 19 dedicated nodes, with 250 GB SATA disk (OST) and a
> server node (MDS) with RAID 1. My objetive is to create a fs with Lustre
> using free space in each node. I have readed the manual, but I have
> doubts about redundance. What happens if a disk fail (hardware failure)?
> Will the data in that disk be lost? Is there any kind of RAID5 o 6
> between the disk mounted in the nodes (distribuited RAID to prevent
> hardware failures)?
Currently there is no such feature. We are working to implement "Server
Network Striping" to allow such lustre-level redundancy for systems that
do not have shared disks.
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
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