jim harris principal software engineer data center group...block device abstraction (bdev) ceph rbd...
TRANSCRIPT
![Page 1: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/1.jpg)
Jim Harris
Principal Software Engineer
Data Center Group
![Page 2: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/2.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 2
By Edmund Garman from Salem, Oregon, USA - Waikiki, Honolulu PanoramaCC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=39574339
![Page 3: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/3.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 3
Agenda
• Community Growth• Feature Growth• Looking Forward
![Page 4: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/4.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 4
• Community Growth• Feature Growth• Looking Forward
![Page 5: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/5.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 5
SPDK Patch Commit StatisticsVersion Range Total
CommitsNon-Intel Committers
Non-IntelCommit %
v16.06 .. v17.07 2221 22 2.7%
v17.07 .. v18.07 3152 37 9.0%
v18.07 .. v19.07 3524 58 16.8%
![Page 6: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/6.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 6
SPDK Patch Commit StatisticsVersion Range Total
CommitsNon-Intel Committers
Non-IntelCommit %
v16.06 .. v17.07 2221 22 2.7%
v17.07 .. v18.07 3152 37 9.0%
v18.07 .. v19.07 3524 58 16.8%
Last 12 months+57% Non-Intel Committers
2x Non-Intel Commits
Last 3 YearsOver 1/3 of Non-Intel Committers from PRC!
![Page 7: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/7.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 7
Community Growth
+33% YoY+247% since Jan’17
![Page 8: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/8.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 8
• Community Growth• Feature Growth• Looking Forward
![Page 9: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/9.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
QoS
Linux nbdRDMA
RDMA
Recently Added Features
iSCSI
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
9
SPDK 18.07
![Page 10: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/10.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
QoS
Linux nbdRDMA
TCP
RDMA
TCP
Recently Added Features
iSCSI
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
10
SPDK 18.07
![Page 11: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/11.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 11
NVMe/TCPNVMe TP ratified November 2018
SPDK added TCP transport for
NVMe driver
NVMe-oF target
Supports alternative TCP stack implementations
![Page 12: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/12.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
QoS
Linux nbdRDMA
Crypto
TCP
RDMA
TCP
Recently Added Features
iSCSI
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
12
SPDK 18.07
![Page 13: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/13.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 13
CryptoHardware Accelerators
• Intel® QuickAssistAccelerator
Optimized Software
• ISA-L
DPDKFramework
NVMe bdev
NVMe Controller
Namespace
Logical Volume Store
lvolbdev
lvolbdev
lvolbdev
cryptobdev
cryptobdev
cryptobdevKEYKEYKEY
cryptodev
![Page 14: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/14.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
Cinder
QoS
Linux nbdRDMA
Crypto
TCP
RDMA
TCP
Recently Added Features
iSCSI
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
14
SPDK 18.07
![Page 15: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/15.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 15
CinderProvision ephemeral storage using SPDK
• NVMe-oF target
• Logical volumes
• Dynamic configuration via JSON-RPC
Kubernetes integration in progress
![Page 16: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/16.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
Cinder
QoS
Linux nbdRDMA
Crypto
TCP
RDMA
TCP
Recently Added Features
iSCSI
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
16
Open ChannelFTL
SPDK 18.07
![Page 17: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/17.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 17
Open Channel BLOCK FTLHost FTL enabling smart data placement
• Based on OC2.0 specification
Block FTL support added to bdev nvme module
![Page 18: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/18.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
Cinder
QoS
Linux nbdRDMA
Crypto
TCP
RDMA
TCP
Recently Added Features
iSCSI
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
18
Open ChannelFTL
OCF
OCFCache
SPDK 18.07
![Page 19: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/19.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 19
Open Cas FrameworkBlock Caching Library
Open Sourced in Q4’18
SPDK integration added v19.01
![Page 20: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/20.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
Cinder
QoS
Linux nbdRDMA
Crypto
TCP
RDMA
TCP
Recently Added Features
iSCSI
spdk-cli
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
20
Open ChannelFTL
OCF
OCFCache
SPDK 18.07
![Page 21: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/21.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 21
Spdk-cli
![Page 22: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/22.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
Drivers
StorageServices
StorageProtocols
iSCSI Target
NVMe-oF*Target
SCSI
vhost-scsiTarget
NVMe
NVMe Devices
Blobstore
FabricsInitiator
Intel® QuickDataTechnology
Driver
Block Device Abstraction (bdev)
Ceph RBD
Linux AIO
Logical Volumes
3rd Party
NVMe
PCIe
vhost-blkTarget
BlobFS
Integration
RocksDB
Ceph
Tools
fio
PMDKblk
virtio(scsi/blk)
VPP TCP/IP
QEMU
Cinder
QoS
Linux nbdRDMA
Crypto
TCP
RDMA
TCP
SPDK Architecture
iSCSI
spdk-cli
vhost-nvmeTarget
virtio
virtio-PCIe
vhost-user
nvme-cli
Added since 18.07
22
CompressOpen Channel
FTL
OCF
OCFCache
SPDK 18.07
![Page 23: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/23.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 23
Block compression
23
DPDK Framework
compressbdev
compressdevPMDK
lvol bdev
DPDK Framework for compression algorithms
Accelerators or Optimized SW
PMDK for persistent memory access
For compression metadata
SPDK Logical Volumes for storage
For realizing capacity savings
![Page 24: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/24.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 24
• Community Growth• Feature Growth• Looking Forward
![Page 25: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/25.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 25
Rack Scale ArchitectureRack
Compute Node
S{DL Storage Node
NVMe-oF Target
Compute NodeCompute NodeCompute NodeCompute NodeCompute Node
Linux NVMe Fabrics Driver
Application
Logical Volumes
Pooled Volumes
NVMe DriverNVMeSSDNVMeSSDNVMeSSD
QoS
RPC Configuration
Listener
OrchestrationService
SPDK Storage Node
NVMe-oF Target
Logical Volumes
Pooled Volumes
NVMe DriverNVMeSSDNVMeSSDNVMeSSD
RPC Configuration
Listener
SPDK Software
3rd Party Software
![Page 26: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/26.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 26
SMART NICSPresent NVMe Interface to Host
Use SPDK to emulate NVMe
• Block services (crypto, logical volumes)
• Forward across network
• Or “local” SSD
PCIe
Smart NIC
SoC
nvme target
bdev services
Host CPU
Hypervisor (i.e. QEMU)
VM
nvme driver
Host Application
nvme driver
PCIe
nvme driver
NVMe SSD
Ethernet
SPDK Software
![Page 27: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/27.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 27
Dynamic schedulingPolled mode = cores always 100%!
Differentiation now between “core” and “thread”
• spdk_thread is a lightweight thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
![Page 28: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/28.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 28
Dynamic schedulingPolled mode = cores always 100%!
Differentiation now between “core” and “thread”
• spdk_thread is a lightweight thread
Dynamically move spdk_threads to enable putting cores to sleep
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
![Page 29: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/29.jpg)
SPDK, PMDK & VTune™ Amplifier Summit 29
Dynamic schedulingPolled mode = cores always 100%!
Differentiation now between “core” and “thread”
• spdk_thread is a lightweight thread
Dynamically move spdk_threads to enable putting cores to sleep
Scale CPU frequency to reduce power
• i.e. Intel Speed Select Technology
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
spdk_thread
![Page 30: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/30.jpg)
SPDK, PMDK & VTune™ Amplifier Summit
NVMe SSD
Block Device Abstraction (bdev)
StandardNamespace
Zoned Storage
30
NVMe SSD
ZonedNamespace
Provides additional capabilities and responsibilities on host to enable:
• Smart data placement on flash
• Better isolation
• Better quality of service
NVMe standardization in progress
Open Channel via adapters
Block-OrientedApplication
FTL-OrientedApplication
ZonedBlock Device
StandardBlock Device
![Page 31: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/31.jpg)
SPDK, PMDK & Vtune™ Summit 31
Future WorkBlock Indirection
Replication and Parity
Even better performance!
![Page 32: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/32.jpg)
SPDK, PMDK & Vtune™ Summit 32
Call to ActionTake advantage of talks and demos to learn more about SPDK
and PMDK and VTuneTM Amplifier
Join the SPDK Community
• Submit patches! (https://spdk.io/development/)
• Submit issues! (https://github.com/spdk/spdk/issues)
• Ask a question! (https://spdk.io/community/)
• E-mail, Slack, community meetings
![Page 33: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/33.jpg)
![Page 34: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/34.jpg)
SPDK, PMDK & Vtune™ Summit 34
Backup
![Page 35: Jim Harris Principal Software Engineer Data Center Group...Block Device Abstraction (bdev) Ceph RBD Linux AIO Logical Volumes 3rd Party NVMe PCIe vhost-blk Target BlobFS Integration](https://reader033.vdocuments.mx/reader033/viewer/2022051807/600356cf65a64d5181663ee9/html5/thumbnails/35.jpg)