Mount Points

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  • To get it for each db and files:

    declare @sql nvarchar(max) = 'select 0 as dbid,0 as fileid WHERE 0=1'

    SELECT @sql = @sql + '

    UNION ALL SELECT '''+RIGHT(database_id,10)+''',fileid FROM '+name+'.sys.sysfiles'

    FROM sys.databases

    Select @sql = 'select DISTINCT volume_mount_point,volume_id,logical_volume_name,file_system_type,total_bytes,available_bytes,supports_compression,supports_alternate_streams,supports_sparse_files,is_read_only,is_compressed from (' + @sql + ') AS A cross apply sys.dm_os_volume_stats(dbid,fileid)'

    execute( @sql )

  • I guess I don't know what a mount point is well enough, but can't you get that information by looking at the file name and path in sys.master_files?


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  • david.gugg (9/1/2015)


    I guess I don't know what a mount point is well enough, but can't you get that information by looking at the file name and path in sys.master_files?

    That's a way to explore resources where to store database.

    Same as at command prompt: "dir c:\ & dir d:\ & dir e:\"

    Disk name and free space

  • Thanks for the question.

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  • I write PS query to get the details.

    Thanks.

  • Nice question about a topic that I am only beginning to study.

    I knew the DMV sys.dm_os_volume_stats as I have used it , but only to know if the volume is supporting sparse files or is compressed. As I was curious , I have discovered the mount points and I kept this information in my own memory. It was last year.

  • SQL-DBA-01 (9/3/2015)


    I write PS query to get the details.

    Cool. Please share it.

    --Jeff Moden


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    "Change is inevitable... change for the better is not".

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  • Carlo Romagnano (9/1/2015)


    To get it for each db and files:

    declare @sql nvarchar(max) = 'select 0 as dbid,0 as fileid WHERE 0=1'

    SELECT @sql = @sql + '

    UNION ALL SELECT '''+RIGHT(database_id,10)+''',fileid FROM '+name+'.sys.sysfiles'

    FROM sys.databases

    Select @sql = 'select DISTINCT volume_mount_point,volume_id,logical_volume_name,file_system_type,total_bytes,available_bytes,supports_compression,supports_alternate_streams,supports_sparse_files,is_read_only,is_compressed from (' + @sql + ') AS A cross apply sys.dm_os_volume_stats(dbid,fileid)'

    execute( @sql )

    Much easier to query the dmv's, no need for dynamic sql

    😎

    SELECT

    SMF.database_id

    ,SMF.name

    ,SMF.type_desc

    ,SMF.state_desc

    ,SMF.size

    ,OVS.available_bytes / POWER(2,30) AS GB_FREE

    ,OVS.total_bytes / POWER(2,30) AS BG_TOTAL

    ,OVS.volume_mount_point

    ,OVS.file_system_type

    ,OVS.logical_volume_name

    ,OVS.volume_id

    FROM sys.master_files SMF

    CROSS APPLY sys.dm_os_volume_stats(SMF.database_id,SMF.file_id) AS OVS;

  • Thanks for the question.

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