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7/28/2019 CML Mod03 StorageCenterAdministration RELEASE v3
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Dell CompellentModule 3: Storage Center Administration
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Compellent Storage Center Administration
Objectives After completing the administration section of this module,
you will be able to:
Identify Compellent Core and Application software Install the Storage Center application
Describe a day in the life of a Page
Describe the creation and use of volumes and volume folders
Describe the creation and use of servers and server folders
Perform volume to server mapping
Copy Mirror Migrate Volumes
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Storage CenterSoftware
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Compellent Storage Center Software Overview
Hardware
Licensed
Applications
Core
Software
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LicensedApplicationsCoreSoftware
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COMPELLENT STORAGE CENTER
Storage Center Core
Phone Home Virtual Ports (requires alicense)
Space Reclamation(Enterprise Manager)
Variable Page Sizes Copy-Mirror-Migrate Thin Write/Import
Cache Virtualization Boot from SAN
Fluid Data Architecture
Storage Center Applications
Data Progression Fast Track Dynamic Controllers
Data Instant Replay Remote Instant Replay Live Volume
Dynamic Capacity
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Compellent Storage Center - Applications
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DynamicCapacity
FastTrack
Tier 3Tier 3
Tier 1Tier 1
Tier 2Tier 2
Data Progression Data InstantReplay
Remote Instant Replay
Enterprise Manager
Original Replay
HQ DR
Dynamic Controllers
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InstallingStorage Center
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Storage Center Startup Wizard Installation Steps to install a Dell Compellent Array
What is an HSN and where do I get one?
Planning the IP network
Initializing via Command Shell
Completing the Storage Center Startup Wizard
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What is an HSN? A hardware serial number assigned by Dell Compellent for
every controller
How does the HSN get assigned to a controller?
In dual controller configurations, how many licenses arerequired?
Peer controller vs Leader controller
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IP Considerations Eth0 is the management IP
Eth0 for every controller
Dual controllers require a third management IP
Eth1 is heartbeat or IPC
Eth1 connects with small blue Ethernet cable
Eth1 IP is by default in range of 11.0.10.x
Ensure Eth1 IP are unique in dual controllers
Each iSCSI port needs an IP
Separate networks for management and iSCSI
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Hardware Initialization Connect via serial port on controller
List of HSNs provided on PO or given by co-pilot
Licenses provided by HSN and distributed via co-pilot
Set HSN in command shell
Use label maker to label each controller on front and back foreasier identification
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Record all IPs Run net show command to see HSN, eth0 and eth1
Record all IPs
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Array
Name
Eth0
(management)Mgmt IP
(virtual group)
Eth1
(heartbeat)
Eth1Subnet
Mask iSCSI 1 iSCSI 2
iSCSI Contro l
Port
CML 1 10382/10383 172.20.20.41 192.168.16.41
HSN/SSN 10382 172.20.20.42 11.0.10.14 255.0.0.0 192.168.16.12 192.168.16.42
HSN/SSN 10383 172.20.20.43 255.0.0.0 192.168.16.13 192.168.16.43
CML 2 10376/10377 172.20.20.44 192.168.16.44
HSN/SSN 10376 172.20.20.45 255.0.0.0 192.168.16.15 192.168.16.45
HSN/SSN 10377 172.20.20.46 11.0.10.70 255.0.0.0 192.168.16.16 192.168.16.46
CML 3 10378/10379 172.20.20.47 192.168.16.47
HSN/SSN 10378 172.20.20.48 11.0.10.178 255.0.0.0 192.168.16.18 192.168.16.48
HSN/SSN 10379 172.20.20.49 11.0.10.155 255.0.0.0 192.168.16.19 192.168.16.49
CML 4 10380/10381 172.20.20.50 192.168.16.50
HSN/SSN 10380 172.20.20.51 11.0.10.242 255.0.0.0 192.168.16.21 192.168.16.51
HSN/SSN 10381 172.20.20.52 11.0.10.150 255.0.0.0 192.168.16.22 192.168.16.52
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Step 1 End User License Agreement
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Step 2 - License Key License file in format of snXXXXX where XXXXX is the HSN
number of the leader controller
Browse to license file and click Load License
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Step 3a - Create Disk Folder
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Step 3b Hot Spares
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Step 3c - Disk Folder Attributes
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Step 4a Add Controller
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Step 4b New Controller IP
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Step 5 Time Settings
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Step 6a Management IP
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Step 6b System Setup Cache
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Steps 7, 8, 9 SMTP, Updates, User Setup Configure SMTP mail server
Select the method for Storage Center to handle updates
If no Internet connection, select No Phone Home
Set the User Session Timeout and enter email addresses
Default timeout is 2 hours
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Step 10a - Configure IO Cards
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Step 10b - iSCSI IP
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Step 11a - Configure Ports
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Step 11c iSCSI Control Port
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Step 11d Configure Local Ports
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Step 11e Configure FC Local Ports
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Step 11h FC Fault Domains
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Step 11i FC Fault Domain
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Step 11 iSCSI Fault Domains
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Step 11l Configure SAS Ports
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Step 11m Apply Local Port Changes
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Step 12 Generate SSL Certificate
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Accessing Storage Center
Storage Center is web based GUI
Use IP entered in Step 6 as Management IP
Launch a browser & enter management IP
Default username is Admin
Default password is mmm
Both username and password are case sensitive
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Configuring a Windows Host
Server Host has a NIC dedicated to the Compellent iSCSInetwork
Server Host has a second NIC for management of server Management IP on server should be static if using Enterprise
Manager
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iSCSI and MPIO
Server hosts act as initiator so setup the Dell Compellent arrayas iSCSI target
Windows 2003 requires iSCSI initiator to be downloaded Windows 2008 requires iSCSI to be installed as feature
MPIO (multipath IO) needs to be installed
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MPIO Properties
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Dynamic BlockArchitecture
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Fluid Data Architecture
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Dynamic Block Architecture
Metadata: Block Level Business Metrics
Creation, Access, and Modification time
Relative Frequency of Access
Disk drive type/RAID level
Sophisticated data movement engine
Improves Performance
Unique Patented Design
Benefits: Optimized data placement
All volumes span all drives
Higher performance
Change RAID levels anytime
No performance tuning
Simplified capacity planning
The only storage solution that virtualisesblocks inside the volume
R10
R5R6
SSD FC15K FC 10K SATA/SAS
R10
R5R6
Page pool
Oracle
DB
Exchange
SharePointFile
System
Application Volumes, e.g.
Fluid Data Architecture
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Conventional Storage System
Disk Virtualization
Compellent Storage Center
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Core: Dynamic Block ArchitectureKey attributesrecorded at write
Data virtualized andmanaged at block level
More efficient management of data at disk level
Metadata
FC10K
RAID10
12:05:09
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RAID Levels
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RAID 0 Overview
H G F E D C B A
RAID 0 Volume
A B
E F
C D
G H
I J K L
M N O P
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RAID 1 Overview
H G F E D C B A
RAID 1 Volume
A A
B B
C C
D D
=
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RAID 10 Overview
RAID 10 Volume
H G F E D C B A
A A
C
E E
C
G G
B B
D
F F
D
H H
Mirror Mirror
Stripe Stripe
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Dual Redundancy Additional mirror of data/parity increases availability
Protects against 2 drive failures in the same stripe set
Data Mirror Mirror
Data Mirror Mirror
Data Mirror Mirror
Data Mirror Mirror
DataDataData Data Parity Parity
RAID 6-10
RAID 10 Dual
Mirror
DataDataData Data Parity Parity
RAID 6-6
DataDataData Data
34%
overhead
20%
overhead
66%
overhead
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Dynamic Capacity
Capacity presented to
servers can be
significantly larger
than the physicallyavailable storage
300GB 300GB 300GB
1.5TB Physical Storage
3 TB Dynamic Capacity Presented
300GB 300GB
1TB 1TB 1TB
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Dynamic Capacity Concerns
300GB 300GB 300GB
1.5TB Physical Storage
300GB 300GB
2TB
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Fluid Data Architecture
Simplify management
Ideal for virtual servers
Independence from
drive type, interfacetype and RAID
No waste when storing data
Buy fewer disk drives
Save on energy and floorspace
Sophisticated datamovement engine
Set policies and let thesystem run
Optimized dataplacement
Block-level intelligence
Manages data inside thevolume
Tracks frequency ofaccess
Enables uniquefeature/benefits
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Core: Fluid Data Architecture
Metadata for each block includes
Creation, Access, and Modification time
Frequency of access
Type and Tier of disk drive
RAID level
Corresponding volume
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Volume
Page pool
Fluid Data Architecture
Fluid Data Architecture the Page Pool
Collection of allocated and unallocated disk blocks
Maps pages to volumes
Maintains metadata
Default page size is 2MB (4,096 blocks)
Automated, Sophisticated Block Management
Change RAID levels by re-pointing pages
System manages data mapping acrossmultiple RAID levels
Individual files can span multiple drivetypes and RAID levels
Page Pool grows/shrinks as needed
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Tier Level Redundancy
Each tier within the page pool has its own redundancyconfiguration.
The redundancy level of each tier can be modified to reflectthe levels of RAID protection desired for the tier.
Single Redundancy configures the tier for RAID10, RAID 5/5, and RAID5/9.
Dual Redundancy configures the tier for RAID10DM, RAID 6/6, and RAID6/10.
Levels can be modified on the fly.
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Fluid Data Architecture
Two types of pages, Accessible and Historical (Replay).
Accessible pages are pages that can be read or written by a server atthe current time.
Historical pages are read-only pages (set by Data Instant Replay).
Data Progression uses the accessibility to determine the class ofstorage a page should use.
A B C D E
C1
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Fl id D A hi
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Fluid Data Architecture
Pages are identified into the following categories: Accessible Recently Accessed
These are the active pages the volume is using the most
Accessible Non-recently accessed Read-write pages that have not been recently used
Historical Accessible
Read-only pages the volume is using the most
Think Replays
Historical Non-recently accessed
Read-only pages that have not been recently used
Historical Non-Accessible
Read-only data pages that are not being currently accessible by a volume
That is, they have been aged due to a newer version of the page
System maintains these pages for recovery purposes and are placed on thelowest cost storage possible
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C fi M V l D f lt
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Configure My Volume Defaults
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Page Lifecycle
P g Lif l
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Page Lifecycle
How it all works together:
Storage system has two tiers of disk
Volumes are configured to use Recommended Storage Profile
Tier 1 is single redundancy; Tier 3 is dual redundancy
A single Replay occurs once per day and is retained for 3 days
The volume was created today
Volume size is 1TB
B C DAPAGES E
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Page Lifecycle
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TIER1
RAID10
TIER3
RAID6
TIER1
RAID5
C2 E1
Page Lifecycle
Expiration complete
A B C1 D E
READ A READ C2
Write C2
DATA
DIR
Changes
READ E1
Write E1
Time 1
Time 2
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Page Lifecycle
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C3 E2
Page Lifecycle
Recover a Replay
This becomes a new branch.
The new branch shares read-only blocks.
A B C1 D ETime 1
C2 E1
READ A READ C2
Write C3
DIR
DIR
Changes
READ E1
Write E2
Time 2
Time 3
DATA
DATA Recovery of Volume 1 -> Volume 2
DATA
Volume 1
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TIER1
RAID10TIER3
RAID6
TIER1
RAID5
READ B
READ D
Page Lifecycle
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Page Lifecycle
C3 E2
A B C1 D E
Time 1
C2 E1
READ A READ C2
Write C3
DIR
READ E1
Write E2
Time 2
Time 3
DATA
DATA
C4 E3
Volume 1 Volume 2
READ A READ C2
Write C4
READ E1
Write E3
Changes
Recovery View
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Volume Configuration Best Practices
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Volume Configuration Best Practices
The Combination of Data Progression, Fast Track, and Data InstantReplay provide a powerful, automated storage system.
Compellent recommends following our best practices to best
advantage these features.
Replay best practice
o All volumes should have at least one replay scheduled per day.
o Exception is log, swap, and pagefile volumes no need to progress this data.
Volume best practices
o Configure all volumes for the Recommended Storage Profile.
o This profile uses T1 R10 for writes and R5 and/or R6 across tiers for Replays.
o Exception is log, swap, and pagefile volumes suggest the High Priority (Tier1)
Profile.
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Disk Folders
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Disks and Disk Folders
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Disks and Disk Folders
Disk Folder 1
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk Folder 2
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Disk
Volume
Volume
Volume
Volume
ClassifiedAssigned
Non-ClassifiedTemp
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Volumes andVolume Folders
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Volumes and Volume Folders
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Volumes and Volume Folders
Database Volumes
Volume
Volume
Volume
Email Volumes
Volume
Volume
Volume
Volume
ManagerAdmin
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Creating Volumes
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Creating Volumes
1
2
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Creating a Volume: Confirmation
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Creating a Volume: Confirmation
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Servers and
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Servers andServer Folders
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Servers and Server Folders
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Windows Server Folder Netware Server Folder
Windows
EmailNetwareDatabase
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Mounting an iSCSI Volume to a Server
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g
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Creating Server(s)
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g ( )
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Mounting a Fibre Channel Volume to a W2008Server
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Right click on
unallocated partition
to get New SimpleVolume Wizard.
Disk Management Windows Server 2008
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Mounting a Fibre Channel Volume to a W2003Server
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Disk Management Windows Server 2003
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Virtual Servers One to Many
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3
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Server Clusters Many to One
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3
1
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Lab 3.1:
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CreatingVolumes,Servers, andMappings
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Copy
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pyMirrorMigrate
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Copy
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Mirror
Migrate
Copy a Volume
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Once the volume copy is complete, the new volume is no longer updated by changes
made to the original volume.
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Mirror a Volume
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The destination volume cannot
be mapped to a server.
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Migrate a Volume
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Lab 3.2:
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Copy a VolumeMirror a VolumeMigrate a Volume
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Dell Compellent
Thank you