OBServer 服务启动失败，报错 -4388 fail to start server block mgr 的原因及解决方法

[2024-11-06 11:48:14.262314] INFO  [SHARE] ob_local_device.cpp:1555 [9172][0][Y0-0000000000000000-0-0] [lt=4] [dc=0] convert sys errno(ret=-9100, errno=2, errmsg="No such file or directory")
[2024-11-06 11:48:14.262459] WDIAG [SHARE] ob_local_device.cpp:1300 [9172][0][Y0-0000000000000000-0-0] [lt=138] [dc=0][errcode=-9100] Failed to get disk space (ret=-9100, sstable_dir="/home/admin/oceanbase/store/obexam/sstable")
[2024-11-06 11:48:14.262471] WDIAG [SHARE] ob_local_device.cpp:1343 [9172][0][Y0-0000000000000000-0-0] [lt=9] [dc=0][errcode=-9100] Fail to get block file size(ret=-9100, block_size=2097152, file_size=0, disk_percentage=90)
[2024-11-06 11:48:14.262499] ERROR issue_dba_error (ob_log.cpp:2322) [9172][0][Y0-0000000000000000-0-0] [lt=12] [dc=0][errcode=-4388] Unexpected internal error happen, please checkout the internal errcode(errcode=-9100, file="ob_partition_service.cpp", line_no=973, info="fail to start server block mgr, ")