Disk-to-Disk Backup and Restore Solution - Microsemi

S O L U T I O N R E P O R T

Disk-to-Disk Backup and Restore Solution

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1The Solution: The Adaptec FS4500 Fibre Channel-Serial ATA Storage Array . . . . . . . . . . . . . . . . . . . .1Test Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Configuration Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31. Host System Information . . . . . . . . . . . . . . . . . . . . . . . . .32. FC Switch information . . . . . . . . . . . . . . . . . . . . . . . . . . .33. External FC Disk Array Information . . . . . . . . . . . . . . . . . 34. Backup Software Product Information . . . . . . . . . . . . . . 3

Part 1: Configuring Adaptec FS4500 Logical Drives . . . . . . .3Part 2: Configuring ARCserve Backup to run GFS backups . .7Part 3: Restore procedures . . . . . . . . . . . . . . . . . . . . . . . .10

Using Computer Associates ARCserve 11 and Adaptec FS4500 Fibre-to-SATA RAID

Contents

Introduction: The Data ProtectionChallengeAs companies become increasingly reliant on theirinformation resources, IT managers face a dauntingchallenge in protecting business-critical data. Theymust be able to:

• Provide rapid near-term recovery of data andapplications to assure business continuity.

• Back up a growing volume of data, without inter-rupting normal business activities.

• Meet expanding data protection needs withinexisting budget constraints.

Increasingly, IT managers are finding traditional tapemedia backup systems inadequate to meet their near-term backup/restore requirements. This is due to someinherent disadvantages of tape libraries:

• Long Backup Windows, requiring hours per ter-abyte, preventing access to applications and data.

• Slow Restore Times, particularly when data isstored on multiple tapes that must be loaded andunloaded.

• Lack of Scalability, requiring purchase of addition-al, costly tape libraries to accommodate growth.

• Cost and Complexity, including high initial costand expensive, time-consuming maintenance andmanagement.

While the longevity and low cost of tape media makeit attractive for long-term data archiving, enterprisesneed a better solution for their short-termbackup/restore requirements. This need is especiallyapparent when one considers that 90% of the datarequired for recovery has been backed up within theprevious 7 days. Keeping these files on disk, ready forrapid recovery, is critical to business continuity.

The Solution: Adaptec FS4500 FibreChannel-to-Serial ATA Storage ArrayThe Adaptec FS4500 is a high-performance, high-den-sity, disk-to-disk Fibre Channel storage solution thatdelivers the performance, price and availability to meettoday’s real-world enterprise requirements. Based onSerial ATA disk technology, RAID disk array technolo-gy, and Fibre Channel interface technology, theAdaptec FS4500 Storage Array offers exceptionalprice/performance and flexibility.

Used with industry-leading backup/restore softwareapplications, the Adaptec FS4500 offers the full bene-



fits of an advanced, disk-to-disk solution:

• Faster Restore Times, performing data recovery upto 15 times faster than tape systems. Acceleraterestore times by 80%.

• Shorter Backup Windows, dramatically reducingthe time that data and applications are unavailable.Slash backup times by 33%.

• Scalability, permitting rapid, cost-effective scalingof both capacity and performance.

• Decreased Downtime, ensuring data availabilitywith RAID storage arrays and highly reliable SerialATA disks.

• Reduced Management Cost and Complexity withsimple, centralized management of all storageresources.

The configuration described and tested in this Solu-tion Report combines the Adaptec FS4500 Fibre-SATAstorage array with Computer Associates’ BrightStorARCserve 11 for Windows to provide a disk-to-diskbackup/restore solution in a Fibre Channel SAN envi-ronment.

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FC SWITCHBrocade Silkworm 3800

FS4500

SERVER S1

QLA2300FC HBA

SERVER S2

LP9802FC HBA

SERVER S3

QLA2340FC HBA

SERVER S4

QLA2340FC HBA

FC JBODS1 Storage

FC JBODS2 Storage

Channel 0 inZones 1 and 2

Channel 1 inZones 3 and 4

FC JBODS4 Storage

DURASTOR 7220SS3 Storage

ZONE 2 ZONE 3 ZONE 4ZONE 1

Test Configuration

Topology informationFour (4) servers and four (4) FC primary storage devices connected to a FC 2Gb Switch. Four zones on the Bro-cade Silkworm 3800 FC switch were created for each server and its corresponding FC storage device. The AdaptecFS4500 was used as nearline storage for disk-to-disk backup. Channel 0 with 2 LUNs associated with it of theFS4500 was assigned to Zones 1 and 2. Channel 1 with 2 LUNs associated with it of the FS4500 was assigned toZones 3 and 4.


Using Computer Associates ARCserve 11 and Adaptec FS4500 Fibre-to-SATA RAID 3

Configuration details

1. Host system information

Server S1 InformationModel: Supermicro X5DPR-iG2+

Processor: Pentium Xeon 1.6 GHz

Memory: 1 GB

OS, Version and SP: Windows 2003

Number of FC HBAs: 1

Vendor and Model: Qlogic QLA 2300

Firmware Version: N/A

Driver Name and Version: ql2300.sys; 5.2.3790.0



Memory: 1 GB


Number of FC HBAs: 1

Vendor and Model: Emulex Light Pulse LP9802

Firmware Version: 1.81A1

Driver Name and Version: elxsli2.sys; 5.2.22.8



Memory: 1 GB


Number of FC HBAs:


Firmware Version: 3.02.14




Memory: 1 GB


Number of iSCSI HBAs: 2


Firmware Version: 3.02.14


2. FC 2Gb Switch informationBrand and Model: Brocade Silkworm 3800

Fabric OS version:v3.0 RC1

3. External FC Disk Array informationBrand and Model: Adaptec FS4500 with single controller

Disk Array Firmware Level: 3.31N

RAID Controller Board Revision: 1.31K

RAID Controller BIOS: N/A

Disk Drive Vendor and Model: Seagate ST380013AS

Disk Drive Capacity: 76058 MB

Disk Drive Firmware Level: 3.05

Number of Disk Drives: 12

Number of FC ports: 2 (Channel 0 and Channel 1)

Management Ethernet port information:

DHCP: NO

IP Address: xxx.xxx.xxx.xxx

Subnet Mask: 255.255.255.0

Router: None

Management Software: Spheras RAID Watch v.1.53

RAID 5 volumesAll 12 drives in the FS4500 were used to configure 4RAID 5 logical drives.

Each RAID 5 pool consisted of 3 physical disks.

Configured Logical Drives:LD0 – 148GB of RAID 5; mapped to Channel 0,LUN0; used by Server S1

LD1 – 148GB of RAID 5; mapped to Channel 0,LUN1; used by Server S2



4. Backup Software informationMfg: Computer Associates

Product: BrightStor ARCserve 11

Version and Build: v11.0, build 2670

Part 1: D2D Backup setupSpheras RAID Watch 1.53 was used to manage theFS4500 and create RAID 5 logical drives to be used byeach of the servers as backup drives in our configura-tion. Two RAID logical drives were created andassigned to the primary channel (Channel 0) of theFS4500, and another two RAID 5 logical drives werecreated and assigned to the secondary channel (Chan-nel 1).

Configuring the FS4500 logical drives

1. Launch Spheras RAID Watch and log into yourFS4500 by specifying the IP address. At the main“RAID View” window, click the “Logical Drive”icon (circled in red in the figure below) to open the“Create Logical Drive” window. Create a logicaldrive and partition by selecting from the “Avail-able” drives list, click “Add,” and select the “RAIDLevel” desired. All other parameters were left with



the default settings. Additionally, you can specify which controller you want the Logical Disk assigned to usingthe “LD Assignment” field. For our test configuration, we only had one (Primary) controller.

2. After logical disks are created, they must be mapped to a LUN. From the main “RAID View” window, click the“Physical View” icon and select the channel and controller to which you wish to map your configured LogicalDrives. In the example below, we’ve selected “Channel 0” on the “Primary Controller.” Next, click on the “LUNMapping” tab and expand the “All LDs” icon to view all configured Logical Drives and partitions. Select the par-tition you want to map, select the appropriate LUN number desired and click OK to commit changes.

In our test configuration, we assigned LD0 and LD1 to Channel 0 on the Primary controller mapped as LUN0 andLUN1, respectively.

For Channel 1 on the Primary Controller, we assigned LD2 and LD3 as LUN0 and LUN1, respectively.



3. To ensure each server in the configuration will detect and access only one configured RAID 5 volume from theFS4500, it is recommended that you disable the detected RAID 5 volume that will not be used. This ensures thatonly the desired server will have access to the desired device. To achieve this, open the “Device Manager,”expand the “Disk drives” icon, select an “Adaptec FS4500 SCSI Disk Device” icon, right-click and select “Proper-ties.”

4. The “Properties” page lists the LUN ID of the device. Decide which configured RAID 5 logical drive you wish touse on each server and write down the LUN assignment.



5. Return to the “Device Manager” window, select the appropriate “Adaptec FS4500 SCSI Disk Device” icon, right-click and select “Disable.” In our test configuration, we disabled the “Adaptec FS4500 SCSI Disk Device” withLUN 1 on our S1 server. On our S2 server, we disabled the “Adaptec FS4500 SCSI Disk Device” with LUN 0

6. After disabling the appropriate “Adaptec FS4500 SCSI Disk Device,” the icon should be crossed out and Win-dows will not detect the device until it is enabled again. Repeat the above steps to disable the appropriate LUNsfor servers S3 and S4.



Part 2: Configuring ARCserve to run GFS backups

Perform the following configuration steps for each server:

1. Install Computer Associates’ ARCserve 11 for Windows backup software.

2. Begin by determining the backup schedule and the duration to keep your data on the disk-to-disk backup devicebefore moving it to tapes to archive it. This info is needed to create appropriate disk-to-disk backup devices.

In the following example, we will use a backup schedule <5-day weekly incremental backup, full backup on Fri-day> with GFS enabled, which is one of the default options in ARCserve. We want to keep 1 week of backupdata on the disk-to-disk backup device for fast data recovery.

Based on this requirement, we need to define 6 File System Devices (FSD) in a group to hold one week’s databefore it is moved to a secondary medium (e.g., tape medium). (The 6 FSDs are used to hold backup fromMon, Tue, Wed, Thu, Fri and a second Fri; this will ensure a Fri full backup be available in the case of a failureoccurring during the latest Fri full backup.)

3. Run Disk Administrator to configure a volume with its corresponding FS4500 logical drive. Assign a drive letterfor the FS4500 logical drive. (We used “i:” for the FS4500 volume on server S1; “j:” for server S2; “k:” for serverS3 and “l:” for server S4). Open “Device Configuration” to create the File System Devices with the FS4500 vol-ume for backup.

4. The “Device Configuration” screen will appear as shown below.



Tip: With the <auto naming> for media name, the start day will use the FSD named “1”; the second day will usethe FSD named “2.” If the start day is Monday, then the first full backup on Friday will use the FSD “5.”

Tip: The file system named “6” will be used for the second Friday full backup. The Mon – Thu FSDs will be reusedfor the incremental backups.

5. Start the tape engine again and create an “FSDevice” (for File System Device) group and move all the “1,” “2,”…“6” FSDs into this group.

6. Click the “Backup” icon to define the <5-day weekly incremental backup, full backup on Friday> with GFSenabled with the following steps:

– Select the source for backup.



– Make sure all the FSDs are in a group named “FSDevice” and this group is used as backup destination.

– Define the backup schedule, use GFS and set parameters as shown:



– Enter a different name in the “Media Pool Name Prefix” for each application server. Set the media preservation asshown:

Tip: For daily set, Mon, Tue, Wed, and Thu will be preserved for 6 days. Both Friday sets will be preserved for 13days. (We Need 2 Fri sets in case the latest Fri full backup fails; we still have the one-week old full backup and theincremental daily backups.)

Repeat the above steps for the other servers to complete the D2D backup setup.

Now the four application servers will run the scheduled jobs to perform D2D backups. The FS4500 will hold up totwo weeks of data before being re-used to backup newer data. If data must be archived, backups must be moved tosecondary medium weekly, before the older backups are overwritten.

Part 3: Restore proceduresTo restore a backup job, use the following procedures:

1. Click “Restore” under “Quick Start.”

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2. From the “Restore” configuration screen, click “Source” to view the backup jobs available for restore. You cancustomize the view by changing the “Restore by” type selections.

3. In the example shown, we’ve selected “Restore by Session” and selected all files backed up in a backup session tobe restored.

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4. Click the “Destination” tab to configure destination parameters. By default, the “Restore files to their originallocation(s)” box is checked. If you want the files restored to a different location, uncheck the box and select desireddestination.

5. Click the “Schedule” tab…

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6. …and configure the “Job Execution Time”. Click “OK” to commit changes and execute the restore job.

Summary

The combination of the Adaptec FS4500 Fibre-to-SATA Storage Array and Computer Associates’ ARCserve 11 soft-ware provide a practical, cost-effective and easily deployed solution for handling day-to-day backup/restore opera-tions in a FC SAN environment. In our tests, the Adaptec FS4500 and ARCserve 11 configuration proved an effec-tive way for companies to satisfy their data protection strategies of today…and those of tomorrow.

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Copyright 2005 Adaptec Inc. All rights reserved. Adaptec and the Adaptec logo are trademarks of Adaptec, Inc., which may be registered in some jurisdictions.All other trademarks used are owned by their respective owners.

Information supplied by Adaptec Inc., is believed to be accurate and reliable at the time of printing, but Adaptec Inc., assumes no responsibility for any errors that may appear in this document.Adaptec, Inc., reserves the right, without notice, to make changes in product design or specifications. Information is subject to change without notice.

P/N 906746-011 Printed in USA 5/05 3709_1.0

Adaptec, Inc.691 South Milpitas BoulevardMilpitas, California 95035Tel: (408) 945-8600Fax: (408) 262-2533

Literature Requests:US and Canada: 1 (800) 442-7274 or (408) 957-7274World Wide Web: http://www.adaptec.comPre-Sales Support: US and Canada: 1 (800) 442-7274 or (408) 957-7274Pre-Sales Support: Europe: Tel: (32) 2-352-34-11 or Fax: (32) 2-352-34-00

This Report is intended to provide guidance only. This document outlines configuration examples and does notimply that compatibility is limited to the prod-

ucts or components listed; other vendors and products may also be compatible. Consult Adaptec for compatibility details on specific products or components.

This document is for informational purposes only. Nothing contained in this Report is intended to, nor shall it create any warranty of any kind or nature what-

soever. ADAPTEC EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO

ARRANTIES OF MERCHANTABILITY, FITNESS FOR PURPOSE, AND NON-INFRINGEMENT. Under no circumstance shall Adaptec have any liability

arising out of or relating to a lack of compatibility or interoperability, or set-up related issues. The user assumes all risks associated with the use or imple-

mentation of any of the solutions described in this report.

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Disk-to-Disk Backup and Restore Solution - Microsemi