Dear valued customers,
This is to inform you that SingTel EXPAN DataCenter will be carrying out cyclical replacement for the existing 2 x UPS (2-3 & 2-4) systems supporting our racks in ComCentre III Data Centre on level 2.
The date/time for the UPS Systems replacement have been scheduled between:
START : 22nd November 2009, 0001 hrs (Singapore Time)
END : 22nd November 2009, 0200 hrs (Singapore Time)
A. Objectives
- Cyclical Replacement of UPS
- To enhance the design of existing UPS Systems
B. Benefits
- Reliable and Efficient System
- To minimize breakdown
- Robust and improve maintainability
C. Impact To Customers (What you need to note/do?)
- Prior to the UPS systems replacement work, SingTel and we strongly recommend that all customers backup your critical data and we are required to shutdown all our equipments in the Datacenter by the date/timings as stated above.
- Above *START* indicates the date/time that power will be cut-off to our cages/racks/equipments.
- Above *END* (normalization of power) indicates the date/time that power will be normalized to our cages/racks/equipments.
- Customers/we are required to shutdown all equipments 30mins before the *START* time. At the *START* time, SingTel will proceed to cut-off the power supply to all cages/racks/equipments.
- At the *END* time, SingTel will proceed to normalize the power supply to the respective cages/racks/equipments. Customers may proceed to start-up all equipments 30mins after the respective *END* time.
D. Contingencies
- All necessary contingencies are in place. SingTel will reverse to the original setup if the process is permissible should the unforeseen occurs.
- Generators and UPS static bypass will support DC operations should there be any unforeseen power outages during the works.
- All technical experts will be stationed onsite to resolve any electrical issues that may arise during the works.
- Buffers have been factored in the work plan for observation/stabilization for the executed work. This period is also the built-in time to address any unforeseen delay that may arise from the works.
E. Note
- SingTel strongly recommend customers to make prior arrangement to backup your critical data shutdown all equipments 30mins before the *START* time for cages/racks/equipments so as to mitigate any unforeseen delays/risk that may arise during the replacement works.
Affected Customers: All SingaporeWebHosting.com virtual hosting, VPS, dedicated servers and colocate customers in Singapore.
All customers, please take note of the scheduled maintenance/downtime and do a full backup of your own data before 22nd November 2009.
Thank you for kind understanding and support.
Zac
SingaporeWebHosting.com
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