Adaptec 5325301507 Administration Guide - Page 79
Expansion Arrays, SnapServer EXP E2000
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UPC - 753253015740
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Expansion Arrays • If your source server uses a UNIX SnapTree and has permissions assigned to local or NIS users, use an NFS connection for migration. Note Local users that have UNIX permissions on the source will not be created on the target with the same UIDs. Migrating from a SnapOS Server When migrating from a SnapOS Server to a GuardianOS server, permissions will not be correctly retained. Expansion Arrays Note This section only applies to SnapServer models that can attach an expansion array. See the Configuration and Hardware Options Guide for expansion array options. Note If GuardianOS detects an expansion unit that is not integrated with the SnapServer, a warning displays across the top of the Disks/Units screen with a link to information about the orphan expansion unit. To increase the capacity of a SnapServer, Overland Storage offers the SnapServer EXP E2000 and the Snap Expansion S50 expansion arrays. Details on installing a SnapServer E2000 or a Snap Expansion S50 are provided in the Quick Start Guide that comes packaged with the array. The guide is also available for download from http://www.snapserver.com/support. SnapServer EXP E2000 The SnapServer EXP E2000 is a 2U expansion array with up to twelve SATA II or SAS disk drives, or a combination of SAS and SATA disk drives up to a maximum of 12. It ships as a set of unassigned disks with no RAID configuration. Up to five SnapServer E2000s can be connected to a SnapServer NAS N2000. Note Specific configurations are recommended when SAS and SATA drives (or drives with different rotational speeds) are combined in the same expansion array. Be sure to review "Adding New Disk Drives to Increase Capacity" on page 68 before configuring a mixed-drive array. A SnapServer E2000 expansion array is accessed and managed through the SnapServer to which it is connected. The expansion array has no physical connection to the network. After the SnapServer E2000 is installed and powered on (see the E2000 Quick Start Guide for details), the array's disk drives appear as unassigned drives, allowing the administrator to configure RAIDs as necessary. Chapter 4 Storage Configuration and Expansion 63
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