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Iomega StorCenter px12-350r manual

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Table of contents for the manual

  • Page 1

    IOMEGA ® STORCENTER ™ px12-350r STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE WHITE PAPER JUNE 2010 INTRODUCTION 1 AUDIENCE 1 TERMINOLOGY 1 STORAGE PROVISIONING 3 Listing Storage Pools 4 Managing Storage Pools 6 Adding Storage Pools 7 Adding folders 12 Adding iSCSI drives 14 RAID MIGRA TION 15 RAID migration by adding more drives[...]

  • Page 2

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 1 INTRODUCTION The Iomega ® StorC enter ™ px12-350r network storage array offers versatile storage provisioning, advanced protocol capabilities, expandability and affordability in an easy-to-use product ideal for small business, workgroups and departments. Based on enterprise-c[...]

  • Page 3

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 2 RAID 0: this RAID level distributes data across multiple disks in a way that gives improved speed at any given instance. If one disk fails, however , all the data on the array will be lost, as there is neither parity nor mirroring. RAID 0 is non-redundant. A RAID 0 array require[...]

  • Page 4

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 3 LUN: Logical Unit Number . Identifying number of a SCSI or iSCSI object that processes SCSI commands. The LUN is the last part of the SCSI address for a SCSI object. The LUN is an ID for the logical unit, but the term is often used to refer to the logical unit itself. Storage Po[...]

  • Page 5

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 4 Listing Storage Pools 1. T o view Storage Pools, go to Settings > Storage Pools. 2. The Iomega px12-350r supports up to 12 SA T A disks. The drives and their layout inside the device enclosure are shown in a graphical representation. Each drive is numbered. Figure 1 Storage P[...]

  • Page 6

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 5 White Paper 4. Each hard drive contains a small amount of on-disk write cache. Using the write cache can help improve write performance in some cases. However , data integrity may be at risk when the device loses power in the middle of I/O, yet cached data has not been committed[...]

  • Page 7

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 6 White Paper Managing Storage Pools The StorC enter px12-350r is ordered and shipped with four drives. By default, one Storage Pool is created using all four drives in the RAID 5 protection mode as shown below . Additional drives can be ordered in expansion packs but will not be [...]

  • Page 8

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 7 White Paper Adding Storage Pools F or illustration purpose, the default initial Storage Pool is removed so that all twelve drives are available for Storage Pool creation to demonstrate the flexible provisioning options. 1. Go to Settings > Storage Pools and click the icon to [...]

  • Page 9

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 8 White Paper 3. Choose a RAID level for the Protection type. On the Iomega px12-350r , the following data protection types are available in the Protection selection box. Figure 8 Choose data protection type t Double Parity (RAID 6) – the pool must contain at least 4 drives. t P[...]

  • Page 10

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 9 White Paper Level RAID 0 RAID 1 RAID 10 Description Striped set without parity or Striping. Provides improved performance and additional storage but no redundancy or fault tolerance. Because there is no redundancy , this level is not actually a Redundant Array of Inexpensive Dis[...]

  • Page 11

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE Level RAID 5 RAID 6 Description Striped set with distributed parity or interleave parity . Distributed parity requires all drives but one to be present to operate; drive failure requires replacement, but the array is not destroyed by a single drive failure. Upon drive failure, any[...]

  • Page 12

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 11 White Paper 4. There could be three checkboxes associated with Storage Pool creation. t By default, C reate commonly used folders is checked to automatically create the Backups folder , Pictures folder , and Documents folder in the Storage Pool. If the checkbox is unchecked, no[...]

  • Page 13

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 12 White Paper 6. Repeat the steps to create more Storage Pools. Figure 10 C reate more Storage Pools Adding folders After the Storage Pools finish RAID construction, you can add folders as shared storage for multiprotocol access. Each folder is a directory in the file system that[...]

  • Page 14

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 13 White Paper 2. Select F older as Shared Storage T ype, enter a name for the folder , and select which Storage Pool to create the folder in. Figure 12 C reate a folder 3. By default the Enable security box is checked to allow you to specify access controls to the folder . Securi[...]

  • Page 15

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 14 White Paper Adding iSCSI drives The iSCSI service must be enabled before iSCSI drives can be created. Refer to the C onfiguring iSCSI on the Iomega StorC enter Pro ix4-200r NAS Server (http://download.iomega.com/com/nas/pdfs/iscsi_200r_wp_0909.pdf ) white paper about how to con[...]

  • Page 16

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 15 White Paper 5. After the drive is created, it is listed in the Shared Storage table without information about Used/Available. Figure 15 List iSCSI drives RAID MIGRA TION Storage pools with certain RAID types can be migrated by adding additional drives while data is online. Afte[...]

  • Page 17

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 16 White Paper RAID migration by adding more drives The procedures for migrating RAID 5 and RAID 6 Storage Pools by adding new drives are the same. In this paper , RAID 5 migration procedure is described. 1. Go to Settings > Storage Pools and click to migrate a RAID 5 Storage P[...]

  • Page 18

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 17 White Paper 3. Leave the protection type as Parity (RAID 5) and click Apply . The Storage Pool is shown as being reconstructed. Figure 18 Storage pool reconstruction Storage pools with certain RAID types can also be migrated to certain other RAID types by adding additional driv[...]

  • Page 19

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE 18 White Paper 3. Change the data protection type from Mirror (RAID 10) to Parity (RAID 5) and click Apply . The Storage Pool will be reconstructed into the new RAID type. Figure 19 RAID 1 migration to RAID 5 RAID 5 migration to RAID 6 1. Go to Settings > Storage Pools and clic[...]

  • Page 20

    IOMEGA STORAGE PROVISIONING AND RAID MIGRA TION CONFIGURA TION GUIDE CONCLUSION The Iomega StorC enter px12-350r network storage array is a high-performance, easy-to-use, and highly reliable storage device, specifically designed to meet the storage challenges that small- and medium-sized businesses face daily . The Iomega px12-350r allows flexible [...]