p NFS Block Status EMC Linux p NFS

p. NFS Block Status - EMC

Linux p. NFS Block Layout Transparent to applications l Common client for different storage vendors l Fewer support issues for storage vendors l Normalizes access to clustered file systems l N F La Sv gr yo 4. 1 re ant ut ca & ll Client Apps p. NFS Server Cluster File System p. NFS Client 1. 2. 3. blocks (i. SCSI) Layout Driver Pr i. SC ot S oc I ol Control Protocol 2

NFSv 4. 1 – with p. NFS Block l Linux p. NFS block layout Client l l l Support generic layout – CITI Univ. of Michigan Support block layout client (i. SCSI) - F-16 CITI Maintenance of block layout – CITI via Linux kernel Bugzilla Performance monitoring and patching – CITI via Bugzilla New EMC VNX release with improved p. NFS block performance – Q 3 2012 l l High bandwidth Improved small files performance l Support to Red. Hat l l Support block layout – EMC Elab work with Red. Hat to qualify p. NFS EMC Elab will qualify Fedora 16 3

p. NFS Block – Protocol enhancement l NFSv 4. 1/p. NFS were standardized at IETF l l NFSv 4 working group (WG) New Disk Protection draft approved by IESG Extension to RFC 5663 l Added mechanism that enables identification of block storage devices used by p. NFS to be protected using GPT l l EMC VNX will implement it when RFC is approved 4

p. NFS Block Performance l Latest Performance Using 10 Gb. E server i. SCSI and 1 Gb. E clients 4 threads per client l Single Client Write: 107 MB/sec l Read: 90 MB/sec l l 8 Clients Write: 852 MB/sec – 98% scalability l Read: 674 MB/sec – 96% scalability l 5