Dell EqualLogic PS6210XS EqualLogic Group Manager Administrator s Guide PS Ser - Page 575
Volume Collections Panel, Field, Description, Volume distribution, Snapshot Compression
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Field Members Volume distribution RAID preference Load balancing Distribution of volume across members Shared space with template Unshared space Free space Snapshot Compression Expanded Size Compressed Size Space Savings Description Lists any members associated to the snapshot. These members have snapshot space reserved. Displays one of the following configurations: • Automatic - Indicates that the RAID configuration is the same as that of the pool containing the volume. • RAID 50 - Recommended situation: Applications requiring an optimal combination of performance, availability, and capacity. • RAID 10 - Recommended situation: Applications and workloads requiring the highest levels of I/O performance for random writes. • RAID 6 - Recommended situation: I/O performance for random writes is not a key factor. Applications requiring the highest level of data protection and reliability. • RAID 6-Accelerated - Recommended situation: Optimal for the use of solid state drives for critical data. • RAID 5 - Dell recommends against using RAID 5 for any business-critical data, although it might be required for certain applications, depending on performance and data availability requirements. RAID 5 carries higher risks of encountering an uncorrectable drive error during a rebuild, and therefore does not offer optimal data protection. RAID 5 can be configured only with the CLI. Indicates whether the volume is enabled or disabled for load balancing. If enabled, load balancing identifies the RAID level that provides the best performance for a volume and stores volume data on pool members with that RAID level, if such members are available. Lists the group members across which the volume and its snapshots are spread (Thin clone volumes only) Space that the thin clone shares with the template volume (Thin clone volumes only) Space that is storing data unique to the thin clone (Thin clone volumes only) Unused capacity in the thin clone The space required if all compressed snapshots in that volume were rehydrated. The space currently being used by all compressed snapshots in that volume. The amount of space saved by compression; the difference between the Expanded Size and the Compressed Size. Volume Collections Panel Table 539. Volume Collections Panel Field Total volume collections Collection or volume Storage pool Reported size Description Number of volume collections on the group Name of the volume collection and the list of the volumes in that collection Name of the storage pool where the volume collection resides Capacity seen by iSCSI initiators that represents the maximum amount of space that the group can allocate to the volume or volume collectio Reference: GUI Panels, Wizards, and Dialog Boxes 575
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