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Test Results
Test Cases 1 and 2 had all available disks configured in a single ZFS storage pool. The SAM file system and SAM disk
archive were configured from the same pool. Test Case 3 had half of the available disks configured in a pool used by
the SAM file system. The second storage pool, with the other half of available disks, was configured as a SAM disk
archive. Table 2 shows the results of the stress tests.
Test Case Average Archiving Rate
5
(Items/Hour)
1 92348
2 90332
3 90070
Table 2: Results of Performance Tests
The stress tests gave the following results:
• The performance difference between RAID-1 and RAID-Z is marginal.
• Having half the number of disks available was only slightly slower than having all the disks available.
Closer analysis showed that the Sun Fire X4500 Server's disks had to perform approximately 2.5 times more IOPs in the
RAID-Z cases, but were able to do so without affecting the application's performance. Based on these findings, the
design dilemmas are resolved:
• RAID-Z is a suitable configuration.
• Two storage pools can handle the workload.
The recommended configuration is based on Test Case 3 because it offers excellent performance and the benefit of
isolating the SAM file system from the SAM disk archive.
5 The Sun Fire X4100 finished two hours before the Sun Fire v40z. This figure is the sum of the average archiving rates of both servers when they
were archiving data at the same time.
Configuring the Sun Fire X4500 Server as Network Attached Archival Storage for Symantec Enterprise Vault 7
Figure 3: Enterprise Vault and Sun Fire X4500 Server Test Environment
Database Server
●
Sun Fire V40z
●
2 x 2.4 G Hz AMD Opteron
850
●
2 G B Memory
●
Windows Server 2003 EE
●
SQL Server
Vault Server
●
Sun Fire V40z
●
2 x 2.4 G Hz AMD Opteron
850
●
6 G B Memory
●
Windows Server 2003 R2
SP2
●
Enterprise Vault 7.0 SP2
Archival Storage
●
Sun Fire X4500 Server
●
2 x Dual C ore AMD 285 CPU
●
16 G B Memory
●
48 x 500 GB SATA Disks
●
Solaris 10 Update 4 Build 12
●
SAMBA 3.0.25a
●
SAM 4.6
Vault Server
●
Sun Fire X4100
●
4 x 2.4 G Hz Dual Core
AMD Opteron 2216 CPU
●
4 G B Memory
●
Windows Server 2003 R2
SP2
●
Enterprise Vault 7.0 SP2
L AN