Log in to the T3500 that uses the SUSE 10 SP2. Upload files, and the upload terminates. Retry the SSH login and the SSH login fails. Restart the T3500. Uploading files still fails.
Query the kernel source code, and the "HuaweiSymantec Sas Host driver for T3000" information is not found. The 1068E driver is determined incompatible with the T3500.
It can be concluded that the T3500 is read-only due to the incompatibility of the 1068E driver with the T3500.
Install the 1068E driver delivered with the T3500 and compile it into the kernel.
According to the fact that this problem exists concurrently on six T3500s, this problem is hardly possible related to the T3500 hardware.
The customer uses an abridged operating system and installs the fixed drive letter driver (1068E) in the operating system. This problem may be caused by the incompatibility of the 1068E driver with the T3500.
Causes of some problems have indirect relationships with their symptoms. Therefore, we need to consider problems comprehensively and deeply.