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4.3 Ethernet Switches and Infrastructure 27 4.3.1 Connecting SAN Switches in a Layer 2 Network 28 4.3.2 Sizing Inter-Switch Connections 30 4.3.3 Comparing Inter-Switch Connection Types 31 4.4 Host Configuration Guidelines 32 4.4.1 Recommendations for Host Connectivity in Redundant SANs 32 4.4.2 Multi-Path I/O 33 4.5 ... Appendix D PowerConnect 54xx Switch Configuration 54 D.1 Disabling iSCSI Optimization Setting 54 D.2 Enabling the PortFast Option to Configure STP Edge Ports 55 D.3 Configuring Flow Control 55 Dell EqualLogic Configuration Guide v11.3 iii
4.3 Ethernet Switches and Infrastructure 27 4.3.1 Connecting SAN Switches in a Layer 2 Network 28 4.3.2 Sizing Inter-Switch Connections 30 4.3.3 Comparing Inter-Switch Connection Types 31 4.4 Host Configuration Guidelines 32 4.4.1 Recommendations for Host Connectivity in Redundant SANs 32 4.4.2 Multi-Path I/O 33 4.5 ... Appendix D PowerConnect 54xx Switch Configuration 54 D.1 Disabling iSCSI Optimization Setting 54 D.2 Enabling the PortFast Option to Configure STP Edge Ports 55 D.3 Configuring Flow Control 55 Dell EqualLogic Configuration Guide v11.3 iii
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... 100GB SSD and 8x 450GB SAS. (d) One 450Gb hot spare, 2x 450 Gb parity and 2x 100Gb SSD parity. Dell EqualLogic Configuration Guide v11.3 10 Each parity block generates parity using a different ―view‖ of the data blocks depending... on the number of random writes. For EqualLogic arrays using the hot spare drive layouts specified in Table 7 above. Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 7(b) - - - - 1250 - - - 8(c) 14(d) - - - - 1500 - - - - - 888 - 3000 - 4800 - 16 700 1400 - 2044 3500 4200 5600 ...
... 100GB SSD and 8x 450GB SAS. (d) One 450Gb hot spare, 2x 450 Gb parity and 2x 100Gb SSD parity. Dell EqualLogic Configuration Guide v11.3 10 Each parity block generates parity using a different ―view‖ of the data blocks depending... on the number of random writes. For EqualLogic arrays using the hot spare drive layouts specified in Table 7 above. Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 7(b) - - - - 1250 - - - 8(c) 14(d) - - - - 1500 - - - - - 888 - 3000 - 4800 - 16 700 1400 - 2044 3500 4200 5600 ...
Configuration Guide
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... disk RAID 1 mirrored sets, and then distributing data over those mirrors. An even number of drives and the hot spare configuration. Dell EqualLogic Configuration Guide v11.3 11 Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 500 600 750 7(b) - - - - 1000 - - - - - - 8(c) 14(d) - - - - 1250 - - - - - - - - 740 - 2500 - 4000 - 5000 - - 16 8 / 8(e) 650 1300...
... disk RAID 1 mirrored sets, and then distributing data over those mirrors. An even number of drives and the hot spare configuration. Dell EqualLogic Configuration Guide v11.3 11 Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 500 600 750 7(b) - - - - 1000 - - - - - - 8(c) 14(d) - - - - 1250 - - - - - - - - 740 - 2500 - 4000 - 5000 - - 16 8 / 8(e) 650 1300...
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...cannot implement a no hot-spare policy. RAID 50 implementations can be computed based on the number of disk drives. Dell EqualLogic Configuration Guide v11.3 12 A 7 drive configuration without hot-spare would result in odd number of drives and ...the hot spare configuration. Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 500 600 750 1000 2000 7(b) - - - - 750 - - - - - - - - 8(c) 14(d) - - - - 750 - - - - - - - - - - 444 ...
...cannot implement a no hot-spare policy. RAID 50 implementations can be computed based on the number of disk drives. Dell EqualLogic Configuration Guide v11.3 12 A 7 drive configuration without hot-spare would result in odd number of drives and ...the hot spare configuration. Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 500 600 750 1000 2000 7(b) - - - - 750 - - - - - - - - 8(c) 14(d) - - - - 750 - - - - - - - - - - 444 ...
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Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 500 600 750 1000 2000 7(b) - - - - 1000 - - - - - - - - 8(c) 14(d) - - - - 1000 - - - - - - - - - - 740 - 2500 - 4000 - 5000 - - - - 16 600 1200 - 1752 3000 3600 4800 5400 6000 7200 9000 12000 - 48 - - - - - - - (a) Solid State Disk (b) Legacy PS50E (c) PS4000E and PS6000E only (d) Legacy PS70E,PS100E, PS100X, PS200E, PS300E and PS400E - 19500 23400 - 39000 78000 Table 12: RAID 50 Total Storage Available with Hot Spares (in GB) Dell EqualLogic Configuration Guide v11.3 13
Disk Drive Qty / Size 50(a) 100(a) 74 146 250 300 400 450 500 600 750 1000 2000 7(b) - - - - 1000 - - - - - - - - 8(c) 14(d) - - - - 1000 - - - - - - - - - - 740 - 2500 - 4000 - 5000 - - - - 16 600 1200 - 1752 3000 3600 4800 5400 6000 7200 9000 12000 - 48 - - - - - - - (a) Solid State Disk (b) Legacy PS50E (c) PS4000E and PS6000E only (d) Legacy PS70E,PS100E, PS100X, PS200E, PS300E and PS400E - 19500 23400 - 39000 78000 Table 12: RAID 50 Total Storage Available with Hot Spares (in GB) Dell EqualLogic Configuration Guide v11.3 13
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...a 100% data change rate for the application(s) who is using the volume Defragmentation policy of the host volume's allocated space. Dell EqualLogic Configuration Guide v11.3 18 Like volumes, snapshots can be assigned an iqn and presented as volumes to 100% of the OS or ...the parent volume by existing snapshots using the volume The role or purpose for creating the snapshot(s). The new volume has the same reported size, contents and thin-provision settings as a default name. If name of a volume. This allows hosts to mount a snapshot, potentially...
...a 100% data change rate for the application(s) who is using the volume Defragmentation policy of the host volume's allocated space. Dell EqualLogic Configuration Guide v11.3 18 Like volumes, snapshots can be assigned an iqn and presented as volumes to 100% of the OS or ...the parent volume by existing snapshots using the volume The role or purpose for creating the snapshot(s). The new volume has the same reported size, contents and thin-provision settings as a default name. If name of a volume. This allows hosts to mount a snapshot, potentially...
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...) Creates a new volume Creates a new volume name Creates a new iSCSI target IQN Has same reported size as source volume Has same contents as they are immediately available at the secondary group IP address. The replication process does not require placing...replication groups is not a concern as long as source volume Cloned volume is occurring) Table 13 shows clone sources and properties. Dell EqualLogic Configuration Guide v11.3 19 You also have the ability to restore the configuration to its replication partners. A group can ...
...) Creates a new volume Creates a new volume name Creates a new iSCSI target IQN Has same reported size as source volume Has same contents as they are immediately available at the secondary group IP address. The replication process does not require placing...replication groups is not a concern as long as source volume Cloned volume is occurring) Table 13 shows clone sources and properties. Dell EqualLogic Configuration Guide v11.3 19 You also have the ability to restore the configuration to its replication partners. A group can ...
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...the secondary group and time to complete the next scheduled replication. Figure 4 Basic Replication Partner Data Paths Dell EqualLogic Configuration Guide v11.3 20 All volumes that are possible to create between partner groups. ...volumes to a single secondary group partner in replica reserve, delegated space on a partner group. o For a PS4000 only group, you can have up to complete. For example, file system defragmentation of the same volume. ... a large partition will affect replication data size and time to a maximum of space consumed in a different location.
...the secondary group and time to complete the next scheduled replication. Figure 4 Basic Replication Partner Data Paths Dell EqualLogic Configuration Guide v11.3 20 All volumes that are possible to create between partner groups. ...volumes to a single secondary group partner in replica reserve, delegated space on a partner group. o For a PS4000 only group, you can have up to complete. For example, file system defragmentation of the same volume. ... a large partition will affect replication data size and time to a maximum of space consumed in a different location.
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...addition to different pools on both the primary and secondary group partners. Figure 8 Replica Reserve, Local Reserve and Delegated Space Dell EqualLogic Configuration Guide v11.3 23 Delegated space for storing replica sets in EqualLogic PS Series storage consumes extra storage space on the ...secondary group. Sizing Replica Reserve and Delegated Space The volume replication process in the secondary group. This is illustrated in Figure 8 below. Delegated...
...addition to different pools on both the primary and secondary group partners. Figure 8 Replica Reserve, Local Reserve and Delegated Space Dell EqualLogic Configuration Guide v11.3 23 Delegated space for storing replica sets in EqualLogic PS Series storage consumes extra storage space on the ...secondary group. Sizing Replica Reserve and Delegated Space The volume replication process in the secondary group. This is illustrated in Figure 8 below. Delegated...
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...below. The EqualLogic array will not manage concurrent access to any volume. The recommended and space efficient guidelines for sizing replication reserves and delegated space are presented in data loss. By default, EqualLogic PS Series groups disable multi-host... Space (Secondary, for all replica sets coming from single group) Sum of access to the volume. Dell EqualLogic Configuration Guide v11.3 24 Table 14 Replication Space Sizing Guidelines 3.3.7 Clustering To support a shared storage environment, EqualLogic allows concurrent access to these volumes. Control of...
...below. The EqualLogic array will not manage concurrent access to any volume. The recommended and space efficient guidelines for sizing replication reserves and delegated space are presented in data loss. By default, EqualLogic PS Series groups disable multi-host... Space (Secondary, for all replica sets coming from single group) Sum of access to the volume. Dell EqualLogic Configuration Guide v11.3 24 Table 14 Replication Space Sizing Guidelines 3.3.7 Clustering To support a shared storage environment, EqualLogic allows concurrent access to these volumes. Control of...
Configuration Guide
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... as a starting point for estimating Inter-switch connection sizes. Figure 10 Using a LAG to Interconnect Switch Stacks 4.3.2 Sizing Inter-Switch Connections Use the guidelines in Table 16 as described in a mixed speed SAN 4.6, Integrating 1GbE and 10GbE SANs Table 16: Switch Interconnect Design Guidelines Dell EqualLogic Configuration Guide v11.3 30 But, it may...
... as a starting point for estimating Inter-switch connection sizes. Figure 10 Using a LAG to Interconnect Switch Stacks 4.3.2 Sizing Inter-Switch Connections Use the guidelines in Table 16 as described in a mixed speed SAN 4.6, Integrating 1GbE and 10GbE SANs Table 16: Switch Interconnect Design Guidelines Dell EqualLogic Configuration Guide v11.3 30 But, it may...
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...manage multiple switches as single switch Higher bandwidth than inter-switch trunking Understand the stacking technology and limit stack size in accordance with those in another location or subnet Table 17 Stacking vs. Pros: Leverages Ethernet standard extensions ...limited to 8 port link aggregation group Spanning Tree Protocol must be used if more than two switches are from different vendors Dell EqualLogic Configuration Guide v11.3 31 Link Aggregation Groups (LAG) Create a data path between switches in a single location on a single ...
...manage multiple switches as single switch Higher bandwidth than inter-switch trunking Understand the stacking technology and limit stack size in accordance with those in another location or subnet Table 17 Stacking vs. Pros: Leverages Ethernet standard extensions ...limited to 8 port link aggregation group Spanning Tree Protocol must be used if more than two switches are from different vendors Dell EqualLogic Configuration Guide v11.3 31 Link Aggregation Groups (LAG) Create a data path between switches in a single location on a single ...
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o Distribute 1GbE links evenly between all switches within each I /O module stack for redundancy based on inter-switch trunk sizing guidelines in Figure 15 below . In the case of the M1000e, the maximum number of I /O module vendor. o Aggregate at least ... or C2) should be stacked together as shown in Section 4.3.1. This configuration scales the number of M1000e blade enclosures in Figure 16 below . Dell EqualLogic Configuration Guide v11.3 41 o Distribute 1GbE links among multiple switches within the external switch stack. o Aggregate the required number of 1GbE ports...
o Distribute 1GbE links evenly between all switches within each I /O module stack for redundancy based on inter-switch trunk sizing guidelines in Figure 15 below . In the case of the M1000e, the maximum number of I /O module vendor. o Aggregate at least ... or C2) should be stacked together as shown in Section 4.3.1. This configuration scales the number of M1000e blade enclosures in Figure 16 below . Dell EqualLogic Configuration Guide v11.3 41 o Distribute 1GbE links among multiple switches within the external switch stack. o Aggregate the required number of 1GbE ports...
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...the 1GbE ports used for uplinking should be distributed between all switches from multiple vendors. o Link aggregation groups will typically contain a maximum size permitted by switch and/or I/O module vendor (typically eight 1GbE links). Distribute links amongst multiple switches within each blade I/O ...method for link aggregation (if all switches within the external switch stack if supported When the external switch stack consists of Dell PowerConnect 62XX model switches. LACP is typically the only method for link aggregation when I/O modules and external switches are from ...
...the 1GbE ports used for uplinking should be distributed between all switches from multiple vendors. o Link aggregation groups will typically contain a maximum size permitted by switch and/or I/O module vendor (typically eight 1GbE links). Distribute links amongst multiple switches within each blade I/O ...method for link aggregation (if all switches within the external switch stack if supported When the external switch stack consists of Dell PowerConnect 62XX model switches. LACP is typically the only method for link aggregation when I/O modules and external switches are from ...
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... running -config startup-config To view or confirm Flow Control status on Cisco Catalyst 3750 and 2970 switches. Instead, it is Dell EqualLogic Configuration Guide v11.3 63 When the MTU size is connected: Switch> enable Switch# configure terminal Switch(config)# interface gigabitethernet1/0/1 Switch(config-if)# flowcontrol receive desired Switch(config-if)# ... storm control status on a port, use the following command: Switch# show storm-control gigabitethernet1/0/15 unicast F.4 Configuring Jumbo Frames On Cisco Catalyst switches, MTU size cannot be configured for all ports in a VLAN.
... running -config startup-config To view or confirm Flow Control status on Cisco Catalyst 3750 and 2970 switches. Instead, it is Dell EqualLogic Configuration Guide v11.3 63 When the MTU size is connected: Switch> enable Switch# configure terminal Switch(config)# interface gigabitethernet1/0/1 Switch(config-if)# flowcontrol receive desired Switch(config-if)# ... storm control status on a port, use the following command: Switch# show storm-control gigabitethernet1/0/15 unicast F.4 Configuring Jumbo Frames On Cisco Catalyst switches, MTU size cannot be configured for all ports in a VLAN.
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...interface, the value is not accepted. Switch# vlan database Switch(vlan)# vlan 2 mtu 9000 Switch(vlan)# exit To view or confirm MTU size on port 7 of range value: Switch(config)# system mtu jumbo 25000 ^ % Invalid input detected at '^' marker. changed, the switch ...must be verified by entering the following commands: Switch> enable Switch# configure t Switch(config)# show interface gigabitethernet1/0/7 Dell EqualLogic Configuration Guide v11.3 64 Once the switch completes reload, the configuration can be used to enable an individual VLAN to use the following...
...interface, the value is not accepted. Switch# vlan database Switch(vlan)# vlan 2 mtu 9000 Switch(vlan)# exit To view or confirm MTU size on port 7 of range value: Switch(config)# system mtu jumbo 25000 ^ % Invalid input detected at '^' marker. changed, the switch ...must be verified by entering the following commands: Switch> enable Switch# configure t Switch(config)# show interface gigabitethernet1/0/7 Dell EqualLogic Configuration Guide v11.3 64 Once the switch completes reload, the configuration can be used to enable an individual VLAN to use the following...
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..., unless noted otherwise. registration required) Integrating EqualLogic PS6x10 Arrays with Dell EqualLogic PS Series Storage Dell EqualLogic PS Series Network Performance Guidelines Dell Reference Architecture Implementation Guide for Microsoft Exchange Server 2007 in a Virtualized Environment using EqualLogic PS Series Storage Dell Reference Architecture Sizing and Best Practices for Deploying SSDs in 2009 10 GbE, Servers...
..., unless noted otherwise. registration required) Integrating EqualLogic PS6x10 Arrays with Dell EqualLogic PS Series Storage Dell EqualLogic PS Series Network Performance Guidelines Dell Reference Architecture Implementation Guide for Microsoft Exchange Server 2007 in a Virtualized Environment using EqualLogic PS Series Storage Dell Reference Architecture Sizing and Best Practices for Deploying SSDs in 2009 10 GbE, Servers...