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Pro Linux High Availability Clustering by Sander van Vugt

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CHAPTER 2

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Configuring Storage

Almost all clusters are using shared storage in some way. This chapter is about connecting your cluster to shared storage. Apart from connecting to shared storage, you’ll also learn how to set up an iSCSI storage area network (SAN) in your own environment, a subject that is even further explored in Chapter 10. You’ll also learn the differences between network attached storage (NAS) and SAN and when to use which. The following topics are covered in this chapter:

  • Why most clusters need shared storage
  • NAS or SAN?
  • iSCSI or Fibre Channel?
  • Configuring the LIO iSCSI target
  • Connecting to an iSCSI SAN
  • Setting up multipathing ...

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