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SELF2010 - shared storage for the rest of us

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discussion on shared storage for the rest of us

discussion on shared storage for the rest of us

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  • 1. shared storage for the rest of us scott boss Southeast Linuxfest 2010 june 11-13, 2010Wednesday, January 2, 13 1
  • 2. identity theft information scott boss email: scott@sboss.net twitter: the_sbossWednesday, January 2, 13 2
  • 3. SURPRISE! A raffle for gifts from O’Reilly Publishing will be at the end of the presentation.Wednesday, January 2, 13 3
  • 4. target audience small to medium sized businesses families / homes workgroups geeks*Wednesday, January 2, 13 4
  • 5. why do we want shared storage? to share files between computers / people shared storage for clustered servers it’s cool why not? to make our customers happy.Wednesday, January 2, 13 5
  • 6. options local storage SAN NAS cloud storageWednesday, January 2, 13 6
  • 7. local disks internal disks (IDE/ SATA) ~$50-$150 each limited number on a host.Wednesday, January 2, 13 7
  • 8. external drives usb* (external) disks ~$90-$250 each limited number on a host.Wednesday, January 2, 13 8
  • 9. “thumb” drives very portable small amounts of storage easy to move files around not shared storageWednesday, January 2, 13 9
  • 10. local storage summary PROs CONs low costs can’t share the disks between the hosts* limited number of internal disks. usb can be slow if you have lots of usb devices. limited protection.Wednesday, January 2, 13 10
  • 11. options local storage SAN NAS cloud storageWednesday, January 2, 13 11
  • 12. HBAs HBA (host bus adapter) $900-$1500 each HBA is a specialized SCSI controllerWednesday, January 2, 13 12
  • 13. san switches & cabling san fibre switches $10k-$250k each fibre fiber cables $90-$200 eachWednesday, January 2, 13 13
  • 14. san storage array high speed highly redundant expensive per GB of storage $40k-$millionsWednesday, January 2, 13 14
  • 15. san summary PROs CONs high speed large costs / GB highly redundant additional dedicated multiple hosts can share hardware is required to the same disks. use it.Wednesday, January 2, 13 15
  • 16. options local storage SAN NAS cloud storageWednesday, January 2, 13 16
  • 17. NAS protocols NFS CIFS AFP (AFPoverTCP) iSCSI AoEWednesday, January 2, 13 17
  • 18. NFS native with all UN*Xes, Linux and MacOSX Windows can do it with UNIX Services for NT package. second best performance of the bunch.Wednesday, January 2, 13 18
  • 19. CIFS native with all Windows and MacOSX UN*X, Linux can do it with Samba package. worst performance of the bunch.Wednesday, January 2, 13 19
  • 20. AFP (AFPoverTCP) native with MacOSX linux can do it with Netatalk package. best performance of the bunch.Wednesday, January 2, 13 20
  • 21. iSCSI block storage (like internal/SAN storage) can have any filesystem. needs an iSCSI initiator. slower speeds that local storage.Wednesday, January 2, 13 21
  • 22. AoE block storage (like internal/SAN storage) can have any filesystem. although over the network, does not use TCP/IP. can not be routed. least amount of support of the NAS protocols.Wednesday, January 2, 13 22
  • 23. FCoE block storage (like internal/SAN storage) can have any filesystem. works with Lossless Ethernet. must be used with a CNA. not finalized standard yet.Wednesday, January 2, 13 23
  • 24. hardware/software optionsWednesday, January 2, 13 24
  • 25. NAS appliance (low end) many low end players $350+ basic NAS features web admin interfaceWednesday, January 2, 13 25
  • 26. NAS appliance (high end) EMC and NetApp are the big players $100k-$500k many advanced features replication dedup backup connectionsWednesday, January 2, 13 26
  • 27. homemade NAS server most configurable any O/S can be used within reason. can be a virtual machine can use an existing host.Wednesday, January 2, 13 27
  • 28. homemade NAS appliance preconfigured O/S already tweaked to be a NAS appliance can be a virtual machine can use an existing hardware.Wednesday, January 2, 13 28
  • 29. time to install FreeNASWednesday, January 2, 13 29
  • 30. Wednesday, January 2, 13 30
  • 31. basic configurations hostname disk management network servicesWednesday, January 2, 13 31
  • 32. Wednesday, January 2, 13 32
  • 33. make a share create a mountpoint CIFS share NFS share AFP shareWednesday, January 2, 13 33
  • 34. Wednesday, January 2, 13 34
  • 35. using the share Windows via CIFS Linux vis NFS MacOSX via AFPWednesday, January 2, 13 35
  • 36. Wednesday, January 2, 13 36
  • 37. using the share Windows via CIFS Linux vis NFS MacOSX via AFPWednesday, January 2, 13 37
  • 38. Wednesday, January 2, 13 38
  • 39. using the share Windows via CIFS Linux vis NFS MacOSX via AFPWednesday, January 2, 13 39
  • 40. Wednesday, January 2, 13 40
  • 41. NAS summary PROs CONs low cost speed no special hardware/ not a block device (NFS, software on clients CIFS, AFP)Wednesday, January 2, 13 41
  • 42. options local storage SAN NAS cloud storageWednesday, January 2, 13 42
  • 43. cloud storage network based low cost accessible via standard protocols like HTTP, FTP, NFS & REST APIs. good for backupsWednesday, January 2, 13 43
  • 44. cloud storage (public) Amazon S3 Rackspace Cloud Space Mozy (EMC)*Wednesday, January 2, 13 44
  • 45. cloud storage (public II) Jungle Disk Carbonite ElephantDriveWednesday, January 2, 13 45
  • 46. cloud storage (private) ParaScale Mezeo Atmos (EMC)Wednesday, January 2, 13 46
  • 47. cloud storage summary PROs CONs low cost speed no special hardware/ not a block device software on clients limited use cases. locally and maybe geographically redundant.Wednesday, January 2, 13 47
  • 48. what is the best storage solution for you? it will all depend...Wednesday, January 2, 13 48
  • 49. </presentation>Wednesday, January 2, 13 49
  • 50. Time for the Raffle have three (3) “ebooks” to give away from O’Reilly Publishing.Wednesday, January 2, 13 50
  • 51. questions?Wednesday, January 2, 13 51