Some site deployed a site, the Operating System is Windows 2003 R2 Chinese version. After the S5600T had configured the LUN (V100R001C00), and the mapping is normal. However , the customer reflected that the speed of the initialization is slow, and it didn’t have completed this process for 24 hours.
Configured the port into the switch mode, then the initialization was normal.
After checking out, we found that there is intermittent disconnection in the front link, which site is the switch group network, we considered the reason is the port connected the array and the switch hadn’t been in the switch mode, and there was problem about the compatibility, then appeared the intermittent disconnection, and caused the slow speed of the LUN formatting.
In the condition of the switch group network, the port of the front array must be set as the switch mode.