文本案例成果openstack block storage

1、OpenStack Block StorageOpenStack Storage and Cinder an Interactive Discussion!Aaron Delp, Director of SolutionsOpenStack Architect, aarondelpQuick Poll:How many of you are end-users of OpenStack?How many of you are OpenStack Operators?How many of you contribute to OpenStack?How many of you work for

2、Vendor Organizations that contribute to OpenStack?How many are “all of the above”?How many just heard there was free Pizza? What do you mean when you say Storage?EphemeralNon-PersistentLife Cycle coincides with an InstanceUsually local FS/QCOW file ObjectManages data as. well, an ObjectThink photos,

3、 mp4s etcTypically “cheap and deep”Commonly SWIFTShared FSWe all know and love NFSSoon to be ManilaNumber of different types of Storage in OpenStack, each serving a different use caseCephBlockFoundation for the other typesThink raw diskTypically higher performanceCinderMost common question, differen

4、ce between Object and Block?Cinder / Block StorageSwift / Object StorageObjectivesStorage for running VM disk volumes on a hostIdeal for performance sensitive appsEnables Amazon EBS-like serviceIdeal for cost effective, scale-out storageFully distributed, API-accessible Well suited for backup, archi

5、ving, data retentionEnables Dropbox-like service Use CasesProduction ApplicationsTraditional IT SystemsDatabase Driven AppsMessaging / CollaborationDev / Test SystemsVM TemplatesISO ImagesDisk Volume SnapshotsBackup / ArchiveImage / Video RepositoryWorkloadsHigh Change ContentSmaller, Random R/WHigh

6、er / “Bursty” IOTypically More Static ContentLarger, Sequential R/WLower IOPSLets talk Cinder!Cinder Mission Statement To implement services and libraries to provide on demand, self-service access to Block Storage resources. Provide Software Defined Block Storage via abstraction and automation on to

7、p of various traditional backend block storage devices.To put it another way. Virtualize various Block Storage devices and abstract them in to an easy self serve offering to allow end users to allocated and deploy storage resources on their own quickly and efficiently.Huh? So its simply allowing you

8、 to dynamically create/attach/detach disks to your Nova Instance. Those are the basics, much more advanced capabilities (see demo/questions section).How it worksPlugin architecture, use your own vendors backend(s) or use the defaultBackend devices invisible to end-userConsistent API regardless of ba

9、ckend Filter Scheduler lets you get get fancyexpose differentiating features via custom volume-types and extra-specsReference Implementation IncludedIncludes code to provide a base implementation using LVMJust add disksGreat for POC and getting startedSometimes good enoughMight be lacking for your p

10、erformance, H/A and Scaling needs (it all depends)Can Scale by adding NodesCinder-Volume Node utilizes its local disks (allocate by creating an LVM VG)Cinder Volumes are LVM Logical Volumes, with an iSCSI target created for eachTypical max size mendations per VG/Cinder-Volume backend 5 TBNo Redundan

11、cy (yet)Look at a deploymentSometimes LVM Isnt Enough* datera* fujitsu_eternus* fusionio* hitachi-hbsd* hauwei* nimble* prophetstor* pure* zfssa* New as of Juno Releasecoraidemc-vmaxemc-xtremioeqlxglusterfchdsibm-gpfsibm-xivlvmnetappnexentanfsCeph RBDHP-3ParHP-LeftHandscalitysheepdogsmbfssolidfirevm

12、ware-vmdkwindow-hypervzadaraPlugin Architecture gives you choices (maybe too many) and you can mix them together:Only Slightly DifferentConf file entries#Append to /etc/cinder.confenabled_backends=lvm,solidfirelvmvolume_group=cinder_volumesvolume_driver=cinder.volume.drivers.lvm.LVMISCSIDrivervolume

13、_backend_name=LVM_iSCSIsolidfirevolume_driver=cinder.volume.drivers.solidfire.SolidFiresan_ip=192.168.138.180san_login=adminsan_password=solidfirevolume_backend_name=SolidFireSpeaking of Juno!Just wrapped up the fifth release of Cinder!Major emphasis on testing and compatibilityRunning Third Party C

14、I on Vendors gear in their own labs against each Cinder commitManage/Unmanage (or Import/Export) of Volumes widely availableIntroduced support for Pools for those devices that still have that conceptIntroduced support for ReplicationIntroduced support for Consistency GroupsContinued improvements to

15、Cinder-Backup making way towards incrementalsPreview for KiloIts all about QUALITYTechnical debtDe-emphasizing new features (ie finish the ones we have and make them rock solid)Redundancy for base LVM implementationRolling Upgrades!Thoughts for those building OpenStack CloudsMaking choices can be th

16、e HARDEST part!Each has their own meritsSome excel at specific use casesMaybe you already own the gearTCO, TCO, TCOAsk yourself:Does it scale?Is the architecture a good fit?Is it tested, will it really work in OpenStack?Support?What about performance and noisy neighbors?Third party CI testing?Active

17、 in the OpenStack Community?DIY, Services, both/neither (SolidFire AI, Fuel, JuJu, Nebula.)A few words from our sponsor.SolidFires Scale-Out Block Storage SystemDesigned from the start for OpenStack and other cloud platformsMulti-Tenant architectureDesigned for “Cloud-Scale” DeploymentsLinear non-di

18、sruptive platform growthAutomation top priority in API designBuilt to deploy in an OpenStack environmentNot an afterthoughtExtreme fault toleranceSolidFire & OpenStackSolidFire led the creation of Cinder (break out from Nova)Founding Cinder PTL (2.5 years)OpenStack Technical Committee MemberFull Sol

19、idFire driver integration with latest OpenStack releaseSet and maintain true QoS levels on a per-volume basis Create, snapshot, clone and manage SolidFire volumes using OpenStack clients and APIs Bootable SolidFire VolumesWeb-based API exposing all cluster functionality SolidFire integration with Op

20、enStack Cinder can be configured in less than a minuteSeamless scaling after initial configurationFull multi-tenant isolationRelated ResourcesOpenStack Solution PageOpenStack Solution BriefSolidFire/Cinder Reference ArchitectureOpenStack Configuration GuideSolidFire/Rackspace Private Cloud Implementation GuideVideo: Configuring OpenStack Block Storage w/SolidFireBlogsOpenStack Summit Recap: Mindshare Achieved, Market Share Must FollowSeparating from the PackWhy OpenStack MattersDemos/Questions?Creating types and extra-specsgriffstack