Unimark EC3000 Series Dokumentacja Pobierz pdf (Strona 172)

AIMS Attachment A: AIMS Statement of Work

Page 112 of 130

use a rolling window with a System Administrator configurable window

(i.e., after defined period of time oldest records are automatically

dumped).

9. If remote access is required for system administration, a security

feature such as secure VPN encryption shall be used and coordinated

with County.

B. Availability Requirements

1. System Availability:

i Software and system devices shall execute, without degradation, at

the scheduled periods and response times for the systems to be

considered available.

ii The systems shall operate as specified twenty-four (24) hours per

day, seven 7 days per week.

iii Availability of the overall AIMS shall be at least 99.97 percent (2

hours 38 minutes maximum downtime per year).

2. Device Availability:

i A system server and PC shall be considered available only if all

components are operating and fully functional.

ii A peripheral device shall be considered unavailable if it cannot be

placed on-line and perform its intended function(s).

iii Besides scheduled downtime, as identified below, individual device

availability shall exceed 99.80 percent (17 hours 30 minute

maximum downtime per year).

3. Scheduled Downtime:

i Downtime to update the computer operating system or repair a

component shall be acceptable reasons for downtime, but at no

time shall more than 5 percent of the system be non-operational.

ii Scheduled downtime shall be anticipated to be between 12:01am

and 3:59am, or during County approved hours and must be

coordinated with the County a minimum of 48 hours in advance of

any work being performed using the County‟s change control

procedures.

iii If the operating system or the servers require maintenance or

updates, or if the servers require system maintenance, each server

shall be brought down individually to be updated/maintained, such

that at no time is more than one server down at the same time.

iv If the operating system of the end device computer requires

maintenance or updates, or if the end device computers require

Exhibit 3

Page 172 of 278

1 2 ... 167 168 169 170 171 172 173 174 175 176 177 ... 277 278

Brak uwag

Unimark EC3000 Series Dokumentacja Strona 172