新增副本因磁盘空间不足抛出报错 IO_ERROR 的原因和解决方法

observer.log.20240819095445790:[2024-08-19 09:36:00.022116] WDIAG [LIB] create_directory (file_directory_utils.cpp:122) [3178209][T1_L0_G0][T1002][xxxxx-xxxxx-xxxxx-xxxxx] [lt=4][errcode=-4009] create directory failed.(directory_path=/home/admin/oceanbase/store/maincluster/clog/tenant_1002, errno=28, errmsg="No space left on device", ret=-4009)