Dell EMC VNX series - Modifying the Archive DB write block size

Modifying the Archive DB write block size
When using archive storage, such as NAS attached Isilon scale-out cluster, the
Archive DB write block must be modified.
Procedure
1. Stop your Recording Server Services.
2. Rename the file %ProgramFiles%\Milestone\XProtect Corporate
Recording Server\VideoOS.Platform.Database.dll to, for example,
VideoOS.Platform.Database.dll,orig.
3. Open the file %ProgramData%\Milestone\XProtect Recording
Server\RecorderConfig.xml in an editor.
4. Update the disk utilization section. Use one of the following methods:
l
For Milestone version 2013 5.0, add the following xml code highlighted in
bold:
<disk_utilization>
<max_bytes_in_block_files>16777216</
max_bytes_in_block_files>
<max_records_in_block_files>2000</
max_records_in_block_files>
<truncate_block_files>true</truncate_block_files>
<precreate_block_files>true</precreate_block_files>
<precreate_sizes>
<regular>16777216</regular>
<sequence>65536</sequence>
<signature>4194304</signature>
</precreate_sizes>
<media_block_files use_os_cache="true">
<read_buffer_size>4096</read_buffer_size>
<write_buffer_size>4096</write_buffer_size>
</media_block_files>
<sequence_block_files use_os_cache="true">
<read_buffer_size>4096</read_buffer_size>
<write_buffer_size>4096</write_buffer_size>
</sequence_block_files>
<signature_block_files use_os_cache="true">
<read_buffer_size>4096</read_buffer_size>
<write_buffer_size>4096</write_buffer_size>
</signature_block_files>
<index_files use_os_cache="true">
<read_buffer_size>4096</read_buffer_size>
<write_buffer_size>4096</write_buffer_size>
</index_files>
<chunk_files use_os_cache="true">
<read_buffer_size>65536</read_buffer_size>
<write_buffer_size>65536</write_buffer_size> <!--
default 4096 -->
</chunk_files>
</disk_utilization>
l
For Milestone version 2013 R2 and later. Update the chunk_files
use_os_cache section. Modify the read_buffer_size and
write_buffer_size values to 65536.
<chunk_files use_os_cache="true">
<read_buffer_size>65536</read_buffer_size>
<write_buffer_size>65536</write_buffer_size> <!-- default
XProtect-specific configuration
20 Dell EMC Storage with Milestone XProtect Corporate