Chapter 2 Installing the Cisco MDS 9500 Series
Maintaining a Caching Services Module
Se n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a ck - d o c @ c i s c o . c o m .
Note Ensure the ejector levers are completely closed before tightening the captive screws. Failure to completely seat the module in the backplane connector can result in error messages.
e.Tighten the two captive screws on the module to 8 in-lb.
Maintaining a Caching Services Module
Caution Maintenance must be performed only by qualified service personnel.
Note A minimum of two CSMs in each fabric are required for redundancy and data backup.
This section provides the following information:
•Maintaining the Batteries on the Caching Services Module, page
•Maintaining the Disk Drives on the Caching Services Module, page
Maintaining the Batteries on the Caching Services Module
The CSM batteries last approximately three years. The following message displays in the system log when a battery fails:
Dec 5 17:14:36
Battery capacity is below the required threshold.
If this message is displayed, contact your support provider for assistance. If a battery fails, the CSM must be replaced. The other CSMs in the fabric contain the same data, and they continue providing caching services during the replacement period.
Caution The CSM batteries are shipped fully charged and should be handled accordingly.
Warning Do not touch or bridge the metal contacts on the battery. Unintentional discharge of the batteries can cause serious burns. Statement 341
Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Statement 1040
The batteries are automatically charged on a periodic basis with an
| Cisco MDS 9500 Series Hardware Installation Guide |
