Chapter 10: Server Requirements Hard Disk Space Utilization
ShoreTel 8 Planning and Installation Guide 131
10.4.1 Voice Mail
Each user’s voice mail messages are stored on his or her respective server. The hard disk
space used on each server for voice mail varies depending on the number of users, the
number of messages per user, and the duration of each message.
You need approximately 30 MB of hard disk space per hour for voice mail storage.
Table 10-5 provides some conservative guidelines to estimate the amount of hard disk
space used for voice mail, assuming each user has 15 one-minute voice messages.
10.4.2 Call Detail Records
For each call on the system, call detail records are generated on the main server. The hard
disk space used on the server for call detail records varies depending on the call load on the
system. The amount of hard disk space for a typical system is shown in Table 10-6.
10.4.3 Log Files
Log files are generated on the system for the purposes of technical support. The hard disk
space used on the server for log files varies greatly, depending on the overall system activity.
The size of the log files on the server is controlled by parameters within ShoreWare
Director. Log files are stored between 1 and 30 days (default 7 days) with a size limit
between 0.5 GB and 5 GB (default 4 GB).
# Users # Messages Length (minutes) Storage (hours) Storage (GB)
100 15 1 25 0.8 GB
500 15 1 125 3.8 GB
1,000 15 1 250 7.5 GB
2,000 15 1 500 15.0 GB
3,000 15 1 750 22.5 GB
4,000 15 1 1,000 30.0 GB
5,000 15 1 1,250 37.5 GB
Table 10-5 Voice Mail Hard Disk Space
# Calls/Day # Calls/Month (20 daysa)
a. 20 working days per month (i.e. 4 weeks/month * 5 days/week = 20)
Storage/Month Storage/ 3 Months
100 2,000 3 MB 9 MB
1,000 20,000 30 MB 90 MB
10,000 200,000 300 MB 900 MB
50,000 100,0000 1,500 MB 4,500 MB
Table 10-6 Call Detail Records
File Size Storage (GB)
Minimum 0.5 GB
Default 4.0 GB
Maximum 30.0 GB
Table 10-7 Log File Hard Disk Space
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