emc cx310 san
Post on 10-Nov-2015
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Storage Area
Network
(SAN)
Fundamentals
iSCSI EMC CX3-10
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Major featuresFront view
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Enclosure backplane and chasis hot-plug drives
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The Vault
The first five drives of any CLARiiON hold a special area known as the vault. The cache is dumped (written at high speed) into the vault if a failure threatens the systems ability to protect cache. Thus vault disk have less usable space than other drives, and any drive bound in a RAID group that uses a vault disk is similary re-duced in capicity.
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Disk IDs
Hard drives are identified by:
Bus + Enclosure + Disk
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RAID Groups
An association of 2 to 16 drives. All disks in a RAID group share the same RAID type. LUNS are partitioned from the RAID group and span all disks in the RAID group.
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Logical Unit Num-ber (LUN)
Hosts access storage us-ing logical unit number, which are exported by a SCSI target. The actual storage object is a logi-cal unit (LU), but invari-ably LUs are referred to as LUNs.
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metaLUN
A virtual LUN object built bt striping or con-catentating multiple LUN objects. A CLARiiON base feature.
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metaLUN 1metaLUN 2metaLUN 22 & 23
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metaLUN 3
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metaLUN 4
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metaLUN 5
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LOAD02H:\ ML1, L996, L997I:\ L17J:\ L19K:\ L7
L:\ L25
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IT02H:\ L10I:\ L12J:\ L22K:\ L29
L:\ ML4, L987, L988, L989
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Storage Groups
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Major featuresRear view
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Storage Processor (SP)
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Navisphere view of SP A and B
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SP Management Ports
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Disk Array Loop
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Power and UPS Manage-ment
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Storage Processor En-closures (SPE)
LED Indicators
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PRI and EXP
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Power Distri-bution Units(PDU)
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iSCSI connections
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iSCSI VLAN on SwitchSAN to Servers
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Server iSCSI connection
sNIC, HBA, TOE Chip
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NIC Order and Bindings
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Configuring iSCSI con-nection in Windows
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