if object_id('tempdb..#drives') is not null 
    drop table #drives

create table #drives(stdout varchar(255));

insert into #drives
exec xp_cmdshell 'dir u:'

--select * from #drives where stdout is not null 
if (select count(1) from #drives where stdout is not null) > 2
begin
    print 'drive U exists';
    IF EXISTS (
        SELECT * 
        FROM [sys].[backup_devices] 
        WHERE name='Arizona_Dump' AND [physical_name] LIKE 'D:%'
    )
    BEGIN
        EXEC [sys].[sp_dropdevice] @logicalname = 'Arizona_Dump',@delfile = NULL;
        PRINT 'Dump device Arizona_Dump removed';
    END 
    IF NOT EXISTS (SELECT 1 FROM [sys].[backup_devices] WHERE name='Arizona_Dump')
    BEGIN 
        EXEC master.dbo.sp_addumpdevice @devtype = N'disk',
                                        @logicalname = N'Arizona_Dump',
                                        @physicalname = N'U:\Arizona_Dump.bak';
        PRINT 'Dump device Arizona_Dump created on U drive';
    END 
    IF EXISTS (SELECT * FROM [sys].[backup_devices] WHERE name='Arizona_dump_SECU' AND [physical_name] LIKE 'D:%')
    BEGIN
        EXEC [sys].[sp_dropdevice] @logicalname = 'Arizona_dump_SECU',@delfile = NULL 
        PRINT 'Dump device Arizona_dump_SECU removed';
    END 
    IF NOT EXISTS (SELECT 1 FROM [sys].[backup_devices] WHERE name='Arizona_dump_SECU')
    BEGIN 
        EXEC master.dbo.sp_addumpdevice @devtype = N'disk',
                                        @logicalname = N'Arizona_dump_SECU',
                                        @physicalname = N'U:\Arizona_dump_SECU.bak';
        PRINT 'Dump device Arizona_dump_SECU created on U drive';
    END 
end 
else
begin
    print 'drive U does not exists'
end

if object_id('tempdb..#drives') is not null 
    drop table #drives