Which drive of S2200T is failed? Do you mean a part of S2200T is failed?
I think you can inquiry the maintenance information of your S2200T.
http://app.huawei.com/enterprisebg/icarea/wechat/wechat.htmlThen, you can contact the technical support personnel at Huawei Technologies Co., Ltd. local office.
At last,replace the part with the guide of this document.
http://support.huawei.com/enterprise/docinforeader.action?contentId=DOC1000005611