HP D3600 Disk Enclosure 4,000 Mailbox Resiliency Exchange 2013 Storage Solution

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1 Technical white paper HP D3600 Disk Enclosure 4,000 Mailbox Resiliency Exchange 2013 Storage Solution Table of contents Overview... 2 Disclaimer... 2 Features of the tested solution... 2 HP D3600 Disk Enclosure... 3 HP ProLiant DL360 Gen9 Server... 3 HP Smart Array P441 Controller... 4 Solution description... 5 Targeted customer profile... 5 Storage configuration... 5 Mailbox configuration primary site operational... 7 Mailbox configuration primary site offline and single server failure at secondary data site (planned or unplanned)... 8 Tested deployment... 9 Best practices Test results summary Storage performance results backup / recovery performance Conclusion Appendix A stress testing Appendix B performance testing Appendix C streaming backup testing Appendix D soft recovery testing For more information Click here to verify the latest version of this document

2 Overview This document provides information on the HP D3600 Disk Enclosure and HP ProLiant DL360 Gen9 Server solution for Microsoft Exchange Server 2013 (Exchange), based on the Microsoft Exchange Solution Reviewed Program (ESRP) Storage program. For any questions or comments regarding the contents of this document, see the For more information section. The ESRP Storage program was developed by Microsoft Corporation to provide a common storage testing framework for vendors to provide information on its storage solutions for Microsoft Exchange Server software. For more details on the Microsoft ESRP Storage program, see: Tested with: ESRP Storage Version 4.0 Test Date: May 2015 Disclaimer HP produced this document independently of Microsoft Corporation. Microsoft Corporation expressly disclaims responsibility for, and makes no warranty, express or implied, with respect to the accuracy of the contents of this document. Features of the tested solution This solution implements the Availability Group (DAG) mailbox resiliency feature found in Microsoft Exchange Server 2013 (Exchange). This feature is the base component of the high availability and site resilience framework built into Exchange. A DAG is a group of up to 16 mailbox servers that hosts a set of databases and provides database-level recovery from failures that affect individual servers or databases. This solution brief describes a tested configuration for deploying Microsoft Exchange Server 2013 (Exchange) in a 4,000- user, mailbox-resilient environment. The performance results and best practices outlined in this document provide tested guidelines for configuring Exchange with the HP D3600 disk enclosure, HP ProLiant DL360 Gen9 Server, and HP Smart Array P441 controller in a direct-attached storage (DAS) solution. This solution used a single DAG to support 4,000 mailboxes, each with a 10GB mailbox capacity and a work profile of 200 messages sent and received for each user, each day. To provide mailbox resiliency, there are four copies of each database in an active/active environment; two copies located at the primary site and two copies located at the secondary site. Microsoft s preferred architecture for Exchange 2013 is an Active/Active site deployment with active and passive databases equally distributed across the primary and secondary data centers. In this four-copy configuration, the recommendation is the Primary Data Center and Secondary Data Center balance the user access equally across sites during normal operations. All four servers in the DAG host active databases supporting 4,000 users across both sites. We tested worst case scenario with one server running all active databases. The performance results outlined in this paper are from the testing of a single building block at the secondary site. See the section Test results summary for more information. Note HP has developed the HP Sizer for Microsoft Exchange Server 2013 to assist customers with proper server and storage sizing for their Exchange Server 2013 deployments. The algorithms developed and implemented in this tool originate from extensive testing of Exchange Server 2013 server roles and technologies, HP s depth of experience with Microsoft Exchange, and intricate knowledge of server CPU, memory, and subsystems. Designed to simplify configuration across a broad range of deployments, this tool is free to download and use. For more information, visit: hp.com/solutions/microsoft/exchange2013/sizer In addition to the HP Sizer, HP recommends that customers use the Microsoft Exchange Mailbox Server Role Requirements calculator. If this calculator is used as a starting point, it can be imported or read into the HP Sizer using the Load Exchange calculator button. 2

3 HP D3600 Disk Enclosure Overview Manage your increasing small and midrange business storage needs by deploying the HP D3600 disk enclosure, the next generation 12Gb SAS low cost, flexible, and tiered external storage system. The HP D3600 disk enclosures are ideal for small application environments in small and medium businesses, remote offices, and departmental locations. New 12Gb SAS enclosures Large Form Factor (LFF) D3600 with 12 drive bays offer modular solutions to simplify the capacity expansion of HP ProLiant server environments to external storage, without moving to SAN or NAS. Buy what is needed today and purchase additional capacity as data storage needs grow. The D3600 enclosures support direct attach storage to ProLiant Servers with the HP Smart Array P441 Controllers. Figure 1: Front view of the HP D3600 Dual Module Disk Enclosure Key features and benefits Affordable Storage for Capacity Demand The LFF D3600 disk enclosure supports up to 12 (twelve) LFF SAS drives for a maximum capacity of 7.2TB with 12G 600GB SAS drives or 96TB with 12G 8TB SAS MDL or 6G 8TB SATA MDL drives. Eight D3600 large form factor (LFF) enclosures can be connected together from a single controller port. HP D3000 Enclosures 12Gb SAS enables a higher/faster data transfer rate doubling the current transfer rate of 6Gb solutions providing crucial bandwidth. Provides investment protection by allowing you to purchase HP D3600 storage based on current needs, and plan for the future without hidden management charges. Achieve increased data speed with enterprise-class dual-port SAS drives. Provides a higher level of redundancy and reliability, reducing single points of failure within the storage network. Flexible and Scalable with Room to Grow Flexibility to mix and match SAS, SATA, and Solid State drives in the same enclosure, and extend the benefit of tiered storage to direct attach customers. Designed to give room to grow as your storage demands increase, the D3600 LFF can grow up to 96 drives. Easy to Manage Supports HP SmartDrive Carrier and Gen8 ProLiant Drives, enabling a single set of common drives for Gen8 ProLiant servers and D3000 Enclosures. Uses familiar HP ProLiant management tools, including HP Systems Insight Manager and HP Array Configuration Utility (ACU) software. Compatible with selected HP Smart Array SAS Controllers and HBAs. For more information on the D3600 Disk Enclosure, visit hp.com/go/d3000. HP ProLiant DL360 Gen9 Server The HP ProLiant DL360 Gen9 Server delivers a 1U chassis, with up to two processors delivering an optimal unit that combines high-performance, low energy consumption, improved uptime, and increased density. Intel Xeon E v3 processors deliver up to 70% performance gain and 36% efficiency over the Gen8 family. The HP ProLiant DL360 Gen9 Server, combined with HP DDR4 SmartMemory, supports up to 1.5TB while delivering up to 14% performance improvements over previous generations. Manage your DL360 Gen9 Server in any IT environment by automating the most essential server lifecycle management tasks: deploy, update, monitor, and maintain with ease. The HP ProLiant DL360 Gen9 Server is dedicated to meet the most demanding dynamic computing workloads. 3

4 Key features of the HP ProLiant DL360 Gen9 Server Provides flexibility of networking bandwidth and fabric to adapt and grow to changing business needs. Achieve greater capacity with flexible drive configuration options, with up to ten Small Form Factor (SFF) or four Large Form Factor (LFF) HP SmartDrives, delivering optimal performance, capacity, and reliability. Meet various customer segments and workload requirements affordably. The HP ProLiant DL360 Gen9 Server supports improved ambient temperature standards with HP Extended Ambient Operating Support (ASHRAE A3 and A4), helping to reduce cooling expenses. With HP ProLiant DL360 Gen9 Server, HP OneView provides converged management for automation simplicity across servers, storage, and networking. Embedded management can deploy, monitor, and support DL360 Gen9 Server remotely, out of band with HP ilo. Optimize firmware and driver updates and reduce downtime with HP Smart Update, consisting of HP SUM (Smart Update Manager) and SPP (Service Pack for ProLiant). HP ProLiant DL360 Gen9 Server comes with a complete set of HP Technology Services, delivering confidence, reducing risk, and helping customers achieve agility and stability. Figure 2: HP ProLiant DL360 Gen9 Server HP Smart Array P441 Controller The HP Smart Array P441 Controller is a low-profile, PCIe3 x8, 12Gb/s Serial Attached SCSI (SAS) RAID controller that provides enterprise-class storage performance, increased external scalability, and data protection for HP ProLiant Gen9 servers. It features eight external physical links and delivers increased server uptime by providing advanced storage functionality. This includes online RAID level migration (between any RAID levels) with flash backed write cache (FBWC), global online spare, and pre-failure warning. Key features include: Increased Performance for Applications The HP Smart Array P441 Controller delivers 12Gb/s SAS connectivity on HP ProLiant Gen9 Servers when connected to 12Gb/s external storage devices for increased performance in messaging, database, or general server applications. Offers transportable 4GB DDR Flash Backed Write Cache, providing up to 14.9GB/s maximum cache bandwidth to reduce latency in write-intensive applications that require heavy logging, such as databases. Optional HP SmartCache provides read and write acceleration for workloads such as databases or web pages. Data Protection with Encryption Capability Provides long-term data retention with 4GB Flash Backed Write Cache (FBWC) for improved data reliability. The HP Smart Array P441 Controller offers optional HP Secure Encryption capability that protects data at rest on any bulk storage attached to the controller. Configuration Is Efficient and Simple The HP Smart Array P441 Controller and the attached storage devices are configured and managed by the easy to-use HP Smart Storage Administrator software, which is included in the server intelligent provisioning. Data compatibility within the HP Smart Array Controller family allows simple and easy migration at any time. When needs for higher performance, capacity, and availability increase, such as when migrating an existing just a bunch of disks (JBOD) to a more advanced disk array configuration, tasks can be performed efficiently and reliably. HP SSD Smart Path feature The HP SSD Smart Path feature included in the Smart Array software stack improves Solid State Disk (SSD) read performance. With up to 4x better SSD read performance, HP SSD Smart Path chooses the optimum path to SSD and accelerates reads for all RAID levels and RAID0 writes. HP SmartCache The HP SmartCache feature is a controller-based read and write caching solution in a DAS environment that caches the most frequently accessed data ( hot data) onto lower latency SSDs to dynamically accelerate application workloads. 4

5 For more information on HP Smart Array P441 Controller, visit: Figure 3: HP Smart Array P441 Controller Solution description This solution was designed with two HP D3600 Enclosures for a 4,000 user Exchange 2013 deployment, with high availability through both Smart Array RAID0 and Exchange 2013 DAG copies, using four active servers in the solution. Mailbox resiliency data protection is provided by configuring multiple database copies on a minimum of two HP D3600 Enclosures. Only one HP D3600 was included in the testing described in this document. This document provides best practices to help administrators implement an Exchange deployment with the following requirements. Targeted customer profile A single Availability Group deployment with two mailbox servers in the primary site and two mailbox servers in the secondary site, for a total of four mailbox servers across the entire solution. 4,000 mailbox users (1,000 user mailboxes per server) Exchange 2013 profile of 0.16 IOPS workload per user (200 messages sent and received per user, per day, with an additional 20% headroom added to base IOPS) 10GB mailbox size Four copies of each mailbox database (one active / three passive) Twenty Two databases per server (eleven active and eleven passive) Background Maintenance (BDM) enabled in testing Designed for server and site resiliency 11 6TB 12G SAS 7.2K LFF (3.5-inch) Dual Port MDL Hard drives per array for the Exchange databases and transaction logs Storage deployed as single drive RAID0. See the following Storage configuration section for more information Storage configuration This solution uses the D3600 Disk Enclosure, attached to a Smart Array P441 controller and configured using HP Smart Storage Administrator. For storage performance and redundancy, the HP D3600 and P441 are cabled as a dual-domain configuration. This configuration uses independent SAS data paths from the servers to the storage. The dual-domain communication path prevents interruption of disk in the event of a data path failure. The Exchange database and transaction logs are stored on the HP D3600 array; the Exchange restore volume are located on the server. Multiple databases per volume are available in a Smart Array RAID0 scenario in Exchange 2013 allowing for active and passive copies (including lagged copies) to be mixed on a single disk, enabling better disk utilization. See Microsoft s guidelines for JBOD considerations for multiple databases per volume at 5

6 A single Array X is created for each physical drive. Then a single Logical Drive is created from all free space in the array using a 256KB or larger strip size and RAID0. Each RAID0 disk group consists of one 6TB disk, for a total of eleven RAID groups. s and logs reside on the same volumes since Exchange was configured for multiple database copies. HP also recommends designating one extra disk per server as a spare in the case of disk failure. Refer to to configure spare volumes for automatic reseed. HP Smart Storage Administrator HP SSA is the main tool for configuring arrays on HP Smart Array controllers. It exists in three interface formats: the HP SSA GUI, the HP SSA CLI, and HP SSA Scripting. All formats provide support for configuration tasks. HP Smart Storage Administrator Scripting Cookbook HP Smart Array Controllers User Guide for HP ProLiant Gen9 Servers Figure 4 shows the logical and physical view of the storage from the HP Smart Storage Administrator (SSA) utility. Figure 4: HP Smart Storage Administrator interface For more details on implementing a dual-domain SAS configuration with the D3600, see 6

7 Figure 5: Rack mounted view of the D3600 Disk Enclosure and the HP ProLiant DL360 Gen9 Server, cabled in a dual-domain configuration 1. HP ProLiant DL360 Gen9 Server 2. HP D3600 Drive Enclosure 3. Primary path 4. Secondary path Mailbox configuration primary site operational Figure 6 shows a fully functional scenario using four servers in the DAG hosting active and passive databases from two different HP D3600 enclosures, one per data center. In a data center failover scenario, the two servers in the SDC will be able to serve all the databases 4,000 mailbox users 0.16 IOPS workload per user (200 messages sent and received per user, per day, with an additional 20% headroom) 10GB mailbox size Four copies of each mailbox database (one active / three passive) Twenty Two databases per server (eleven active and eleven passive) 11 6TB 12G SAS 7.2K LFF (3.5-inch) Dual Port MDL hard drives Designed for server and site resiliency Background Maintenance (BDM) enabled 7

8 Figure 6: and copy layout creating Mailbox resiliency. Mailbox configuration primary site offline and single server failure at secondary data site (planned or unplanned) Figure 7 shows the tested mailbox layout for active database copies when the primary site and one of the servers in the SDC site are unavailable due to a planned or unplanned event. This solution demonstrates the worst-case scenario with one host in the SDC hosting 22 active databases, with the following requirements: 4,000 mailbox users 0.16 IOPS workload per user (200 messages sent and received per user, per day, with an additional 20% headroom) 10GB mailbox size Primary site s database copies and one of the two servers at the Secondary site are unavailable due to a planned or unplanned event The mailbox server in the Secondary site hosts 22 database copies all active Background Maintenance (BDM) enabled 8

9 Figure 7: Primary site unavailable and single server failure at Secondary site. Tested deployment The following tables summarize the tested environment. Simulated Exchange configuration Number of Exchange mailboxes simulated 4,000 (10GB mailbox size) Number of Availability Groups (DAGs) 1 Number of active mailbox servers per DAG Number of active mailboxes per server Number of databases per server 22 Number of copies per database Number of active mailboxes per database 182 Simulated profile: operations per second per mailbox (IOPS, include 20% headroom) and Log LUN size Total database size for performance testing Background database maintenance (BDM) 4 (1 hosting active mailboxes in test) 4,000 (tested scenario) 4 (2 at primary / 2 at secondary) TB 40TB Tested with 24/7 BDM enabled % formatted storage capacity used by Exchange database 65.12% 40.03TB / 61.47TB (Total database size /Total formatted capacity) 9

10 Storage hardware Storage Connectivity Storage model and firmware version 12Gb/s SAS HP D3600 Dual Module Disk Enclosure Firmware Version: 1.00 Number of storage controllers per server 1 Number of SAS ports on storage 2 Maximum bandwidth of storage connectivity to host Storage Controller and Firmware Version Controller Cache Host server type 24Gb/s (2 ports x 12Gb/s) HP Smart Array P441 Firmware Version: GB Flash-Backed Write Cache (FBWC, 25/75 read/write) HP ProLiant DL360 Gen9 Total number of disks tested in solution 11 Maximum number of disks that can be hosted in the tested configuration 96 LFF drives (12 per D3600 x8) Storage software Smart Array P441 Driver Host OS Microsoft Windows Server 2012 R2 ESE.dll file version Storage disk configuration (mailbox and log disks) Disk type, speed, and firmware version Raw capacity for each disk (TB) HP 6TB 12G SAS 7.2K LFF (3.5in) Dual Port MDL Firmware Version: HPD2 6TB Number of physical disks in test 11 Total raw storage capacity (TB) RAID level & Set Size 66TB** RAID0 Stripe Size (KiB) 256 Total formatted capacity (TB) 61.47TB Storage capacity utilization 93.13% 61.47TB /66TB capacity utilization 60.65% (Formatted capacity/ Total Raw capacity) 40.03TB /66TB (Total database size / Total Raw capacity) ** Capacity of drives, and therefore the raw data capacity of the disk array, based on 1KB = 1000 bytes, not 1024 bytes. This means that 1GB = 1,000,000,000 bytes, not 1,073,741,824 bytes Best practices When deploying Exchange, it is important to not only size for storage capacity, but to also consider the storage performance demands. Validating the storage subsystem is capable of supporting the anticipated and future workload minimizes the risk of the disk subsystem becoming an bottleneck. Exchange Server is a disk-intensive application. For Exchange 2013 best practices on storage design from Microsoft, see Based on the testing run using the ESRP framework, we recommend the following to improve storage performance. 10

11 Drivers and Firmware Ensure that firmware and drivers for all hardware in the solution are up to date. For more information, see: hp.com/go/support. Physical Drive Write Cache Unlike controller-level cache, individual drive write caches are not protected. If the server loses power, or a hot plug drive is physically removed from the array during operations, unwritten data in the physical drives write caches will be lost. HP recommends disabling Physical Drive Write Cache on the HP Smart Array P441 Controller. For more information, see: Accelerator Ratio and Flash-Backed Write Cache (FBWC) HP recommends setting 75 percent write cache and 25 percent read cache (battery-backed cache). Jetstress 2013 Before installing Exchange Server 2013, test your storage solution with Jetstress to ensure it is configured properly and meets your requirements. For more information on Jetstress, see: microsoft.com/en-us/download/details.aspx?id= Mailbox Copies When deploying a JBOD configuration, ensure that there are at least three copies for each Exchange mailbox database in the solution. This solution was tested with four database copies. Stripe Size For Exchange deployments, HP recommends using the largest strip size for your selected RAID level. The strip size was configured for 256KB. For more information, see: RAID Level volumes used in this solution were configured as single drive Smart Array RAID0. Provisioning of other RAID types is supported but not recommended for this Exchange Server solution. BitLocker Drive Encryption BitLocker Drive Encryption provides considerable protection of data volumes. For more information on Windows BitLocker, see: In this solution, data volumes are encrypted using a command-line tool that can be used in place of BitLocker Drive Encryption. For more information on the command-line tool, see: Windows Volumes For best performance, format the Windows volumes with 64KB allocation unit size. Test results summary This section provides a high-level summary of the test data from the ESRP and a reference to the detailed HTML reports, generated by the ESRP testing framework. For solutions that use a uniform building block style, in which each building block is independent and isolated, ESRP requires testing only one building block. For this solution, a building block consisted of one HP ProLiant DL360 Gen9 Server and one HP D3600 Disk Enclosure, with 11 x 6TB LFF SAS drives hosting all 4,000 mailboxes. Reliability Reliability testing exercises the storage with the maximum sustainable Exchange load for 24 hours. The goal is to verify that the storage can handle the maximum load for an extended amount of time. Both log and database files are analyzed for integrity after the stress test to confirm that no database or log corruption occurred. After running the 24-hour test, we found no relevant errors reported in the event log for the storage reliability testing, and no errors reported for the checksum process. 11

12 Storage performance results Storage performance testing exercises the storage with the maximum sustainable Exchange load for two hours. The test measures storage response times under the maximum sustainable Exchange load. The following data is the sum of all logical disk s and an average of all logical disk latency in the two-hour test duration. This solution design is an Exchange deployment with a single DAG. The DAG has two mailbox servers in the primary site and two mailbox servers in the disaster recovery site. Ideally, the two servers in the disaster recovery site should host all active mailboxes when the primary site is offline (planned or unplanned.) The performance results table below shows the worst-case scenario when one server is running all four databases. Needed Disk Transfers/sec* 640 Disk Transfers/sec 1019 Disk /sec 713 Disk /sec 305 Disk Read (ms) Disk Write (ms) Transaction Log Log Disk /sec Log Disk Write (ms) <1 ms * This row represents the total IOPS necessary to satisfy the IOPS for all mailboxes in the solution. backup / recovery performance This section contains two test reports. The first report measures the sequential read rate of the database files; the second report measures the recovery/replay performance (playing transaction logs into the database). The tests measure the read rates and log replay rates with all mailboxes under concurrent or simultaneous load. Read-Only Performance This test measures the maximum backup rate for Volume Shadow Copy Service (VSS) aware backup applications. The following table shows the average and sum of the database reads. MB read/sec per database MB read/sec total Transaction Log Recovery / Replay Performance This test measures the maximum rate that log files can play against the databases. The following table shows the average rate for log files played. Each log file is 1 MB in size. number of log files played 506 time to play one log file (sec) 7.24 Conclusion The information discussed in this solution brief highlights the tested performance results and configuration best practices for an Exchange solution supporting 4,000 10GB mailboxes and a 0.16 IOPS workload for each user (200 messages sent and received per user, per day with additional 20% headroom). The tested solution included an HP D3600 Disk Enclosure with 11 6TB 7.2K LFF SAS drives for the mailbox database storage and transaction logs and 22 volumes encrypted using BitLocker Drive Encryption. Encryption had little impact on performance, as volumes were encrypted prior 12

13 to initialization. Testing demonstrated that the storage subsystem was capable of an aggregate 1019 disk transfers per second and contains the necessary capacity to support 4,000 Exchange users with 10GB mailboxes and provides additional performance headroom. The test results and data presented in this document are from the ESRP test framework. Test results are only a guide; customers should test their specific solution to make sure it meets their requirements. The ESRP program is not a benchmarking program. The tests do not measure the maximum throughput for a given solution. Rather, program focus is on producing recommendations from vendors for Exchange Server storage solutions. Data presented in this document should not be used for direct comparisons among solutions. Appendix A stress testing Microsoft Exchange Jetstress 2013 Stress Test Result Report Test Summary Overall Test Result Machine Name Test Description Test Start Time Test End Time Pass INDIA-DL360-G9 7/17/2015 3:09:35 AM 7/18/2015 3:17:49 AM Collection Start Time 7/17/2015 3:17:43 AM Collection End Time 7/18/2015 3:17:39 AM Jetstress Version ESE Version Operating System Windows Server 2012 R2 Datacenter ( ) Performance Log C:\Program Files\Exchange Jetstress\24HR_TEST\Bitlocker_24hr_test\Stress_2015_7_17_3_10_20.blg Sizing and Throughput Achieved Transactional per Second Target Transactional per Second 640 Initial Size (bytes) Final Size (bytes) Files (Count) 22 Jetstress System Parameters Thread Count 33 Minimum Cache Maximum Cache Insert Operations 40% Delete Operations 20% Replace Operations 5% Read Operations 35% Lazy Commits 70% Run Background Maintenance True Number of Copies per MB MB Configuration Instance Log path: C:\dblg1 : C:\dblg1\Jetstress edb Instance Instance Instance Instance Instance Instance Instance Log path: C:\dblg2 : C:\dblg2\Jetstress edb Log path: C:\dblg3 : C:\dblg3\Jetstress edb Log path: C:\dblg4 : C:\dblg4\Jetstress edb Log path: C:\dblg5 : C:\dblg5\Jetstress edb Log path: C:\dblg6 : C:\dblg6\Jetstress edb Log path: C:\dblg7 : C:\dblg7\Jetstress edb Log path: C:\dblg8 : C:\dblg8\Jetstress edb 13

14 Instance Log path: C:\dblg9 : C:\dblg9\Jetstress edb Instance Log path: C:\dblg10 : C:\dblg10\Jetstress edb Instance Log path: C:\dblg11 : C:\dblg11\Jetstress edb Instance Log path: C:\dblg12 : C:\dblg12\Jetstress edb Instance Log path: C:\dblg13 : C:\dblg13\Jetstress edb Instance Log path: C:\dblg14 : C:\dblg14\Jetstress edb Instance Log path: C:\dblg15 : C:\dblg15\Jetstress edb Instance Log path: C:\dblg16 : C:\dblg16\Jetstress edb Instance Log path: C:\dblg17 : C:\dblg17\Jetstress edb Instance Log path: C:\dblg18 : C:\dblg18\Jetstress edb Instance Log path: C:\dblg19 : C:\dblg19\Jetstress edb Instance Log path: C:\dblg20 : C:\dblg20\Jetstress edb Instance Log path: C:\dblg21 : C:\dblg21\Jetstress edb Instance Log path: C:\dblg22 : C:\dblg22\Jetstress edb Transactional Performance MSExchange ==> Instances /sec /sec Log Log Log /sec Log /sec Log Log Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Background Maintenance Performance MSExchange ==> Instances Maintenance IO /sec Maintenance IO Instance Instance Instance Instance

15 Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Log Replication Performance MSExchange ==> Instances Log /sec Log Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Total Performance MSExchange ==> Instances /sec /sec Log Log Log Log Log /sec /sec Log Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance

16 Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Host System Performance Counter Minimum Maximum % Processor Time Available M Free System Page Table Entries Transition Pages RePurposed/sec Pool Nonpaged Pool Paged Page Fault Stalls/sec Test Log 7/17/2015 3:09:35 AM -- Preparing for testing... 7/17/2015 3:09:57 AM -- Attaching databases... 7/17/2015 3:09:57 AM -- Preparations for testing are complete. 7/17/2015 3:09:57 AM -- Starting transaction dispatch.. 7/17/2015 3:09:57 AM -- cache settings: (minimum: MB, maximum: 5.5 GB) 7/17/2015 3:09:57 AM -- flush thresholds: (start: 56.3 MB, stop: MB) 7/17/2015 3:10:20 AM -- read latency thresholds: (average: 20 msec/read, maximum: 200 msec/read). 7/17/2015 3:10:20 AM -- Log write latency thresholds: (average: 10 msec/write, maximum: 200 msec/write). 7/17/2015 3:10:24 AM -- Operation mix: Sessions 33, Inserts 40%, Deletes 20%, Replaces 5%, 35%, Lazy Commits 70%. 7/17/2015 3:10:24 AM -- Performance logging started (interval: ms). 7/17/2015 3:10:24 AM -- Attaining prerequisites: 7/17/2015 3:17:43 AM -- \MSExchange (JetstressWin)\ Cache Size, Last: (lower bound: , upper bound: none) 7/18/2015 3:17:44 AM -- Performance logging has ended. 7/18/2015 3:17:44 AM -- JetInterop batch transaction stats: 94815, 94815, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, 94814, and /18/2015 3:17:44 AM -- Dispatching transactions ends. 7/18/2015 3:17:44 AM -- Shutting down databases... 7/18/2015 3:17:49 AM -- Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete), Instance (complete) and Instance (complete) 7/18/2015 3:17:49 AM -- C:\Program Files\Exchange Jetstress\24HR_TEST\Bitlocker_24hr_test\Stress_2015_7_17_3_10_20.blg has 5747 samples. 7/18/2015 3:17:49 AM -- Creating test report... 7/18/2015 3:20:49 AM -- Instance has 17.6 for. 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.4 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.7 for. 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.1 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.9 for. 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 16

17 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.0 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 16.5 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.2 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 16.6 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.3 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.3 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.9 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 16.9 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 17.6 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 16.1 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 18.8 for. 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.3 for Log. 7/18/2015 3:20:49 AM -- Instance has 15.8 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 18.5 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 16.0 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 18.8 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 15.9 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 18.6 for. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Instance has 0.2 for Log. 7/18/2015 3:20:49 AM -- Test has 0 Maximum Page Fault Stalls/sec. 7/18/2015 3:20:49 AM -- The test has 0 Page Fault Stalls/sec samples higher than 0. 7/18/2015 3:20:49 AM -- C:\Program Files\Exchange Jetstress\24HR_TEST\Bitlocker_24hr_test\Stress_2015_7_17_3_10_20.xml has 5717 samples queried. 17

18 Appendix B performance testing Microsoft Exchange Jetstress 2013 Performance Test Result Report Test Summary Overall Test Result Machine Name Test Description Test Start Time Test End Time Collection Start Time Collection End Time Pass INDIA-DL360-G9 7/19/2015 7:53:30 PM 7/19/ :01:49 PM 7/19/2015 8:01:43 PM 7/19/ :01:31 PM Jetstress Version ESE Version Operating System Windows Server 2012 R2 Datacenter ( ) Performance Log Sizing and Throughput Achieved Transactional per Second Target Transactional per Second 640 Initial Size (bytes) Final Size (bytes) Files (Count) 22 C:\Program Files\Exchange Jetstress\2HR_TEST\Bitlocker_2hr_test\Performance_2015_7_19_19_54_17.blg Jetstress System Parameters Thread Count 33 Minimum Cache Maximum Cache Insert Operations 40% Delete Operations 20% Replace Operations 5% Read Operations 35% Lazy Commits 70% Run Background Maintenance Number of Copies per MB MB True Configuration Instance Log path: C:\dblg1 : C:\dblg1\Jetstress edb Instance Instance Instance Instance Instance Instance Instance Instance Log path: C:\dblg2 : C:\dblg2\Jetstress edb Log path: C:\dblg3 : C:\dblg3\Jetstress edb Log path: C:\dblg4 : C:\dblg4\Jetstress edb Log path: C:\dblg5 : C:\dblg5\Jetstress edb Log path: C:\dblg6 : C:\dblg6\Jetstress edb Log path: C:\dblg7 : C:\dblg7\Jetstress edb Log path: C:\dblg8 : C:\dblg8\Jetstress edb Log path: C:\dblg9 : C:\dblg9\Jetstress edb Instance Log path: C:\dblg10 : C:\dblg10\Jetstress edb Instance Log path: C:\dblg11 : C:\dblg11\Jetstress edb Instance Log path: C:\dblg12 : C:\dblg12\Jetstress edb 18

19 Instance Log path: C:\dblg13 : C:\dblg13\Jetstress edb Instance Log path: C:\dblg14 : C:\dblg14\Jetstress edb Instance Log path: C:\dblg15 : C:\dblg15\Jetstress edb Instance Log path: C:\dblg16 : C:\dblg16\Jetstress edb Instance Log path: C:\dblg17 : C:\dblg17\Jetstress edb Instance Log path: C:\dblg18 : C:\dblg18\Jetstress edb Instance Log path: C:\dblg19 : C:\dblg19\Jetstress edb Instance Log path: C:\dblg20 : C:\dblg20\Jetstress edb Instance Log path: C:\dblg21 : C:\dblg21\Jetstress edb Instance Log path: C:\dblg22 : C:\dblg22\Jetstress edb Transactional Performance MSExchange ==> Instances /sec /sec Log Log Log Log Log /sec /sec Log Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Background Maintenance Performance MSExchange ==> Instances Maintenance IO /sec Maintenance IO Instance Instance Instance Instance Instance Instance Instance Instance

20 Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Log Replication Performance MSExchange ==> Instances Log /sec Log Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance Total Performance MSExchange ==> Instances /sec /sec Log Log Log Log Log /sec /sec Log Instance Instance Instance Instance Instance Instance Instance Instance Instance Instance

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