|********************************* TOP OF DATA ********************************| | *** Display the Status of DASD and Tape Devices *** | | | | Command: DEVSERV Supported MVS Levels: XA|ESA | | | | Overview: The DEVSERV command is used to display the status of Direct | | Access Storage Device (DASD) and tape devices. For a given | | device or a group of devices the following information is | | displayed: | | - devices' logical mode | | - number of data sets allocated on the volume | | - volume serial number | | - channel path id (CHPID) | | - path status | | - SMS-managed device status (requires MVS/DFP version 3) | | | | Syntax: | | DS | PATHS|,ddd{,nn}|,ONLINE |,NOSYSM|,DUMP|,L={a }| | | DEVSERV| P | |,ON |,NOS | | {cc }| | | | SMS | |,OFFLINE| | | {cca}| | | | S | |,OFF | | | | | | | | Operands: PATHS|P ***XA|ESA*** | | Use this operand to display, via message IEE459I, the | | status of specific devices. Any devices which are managed | | by SMS are displayed, however no SMS information will be | | shown. | | | | SMS|S ***XA|ESA*** | | Use this operand to specify that the volume and storage | | group status information is to be displayed, via message | | IGDØØ1I, for devices managed by SMS. | | | | ddd ***XA|ESA*** | | Use this operand to specify the 3 or 4 byte hexadecimal device | | number of the device that the system is to display information | | for. Replace ddd with any valid device number; optionally, | | specify a "/" before the device number. When this operand is | | used in conjunction with the S or SMS operand only SMS managed | | devices will have their volume status and storage group | | displayed. | | | | nn ***XA|ESA*** | | Use this operand to specify the number of devices, | | (count) starting at ddd, that are to have their | | information displayed. Replace nn with a decimal | | number from 1 to 32. If this operand is omitted than | | only one device (ddd) will have it's information | | displayed. | | | | ONLINE|ON ***XA|ESA*** | | Use this operand to specify that only devices which are | | online are to have their information displayed. If this | | operand is omitted that both online and offline device | | information is displayed. | | | | OFFLINE|OFF ***XA|ESA*** | | Use this operand to specify that only devices which are | | offline are to have their information displayed. If this | | operand is omitted that both online and offline device | | information is displayed. | | | | NOSYM|NOS ***XA|ESA*** | | Use this operand to specify that the system should not | | display definitions about the symbols contained in | | message IEE455I. If you omit this operand than the | | definitions for all of the symbols are displayed. This | | operand is not valid with the SMS or S operand. | | | | DUMP ***XA|ESA*** | | Use this operand to specify that after executing the | | DEVSERV PATHS command the system is to request an SVC | | dump. When used with the DUMP operand | | the nn operand is ignored and the SMS or S operands | | are not valid. | | | | L=a|cc|cca ***XA|ESA*** | | The location operand can be used to route the summary | | display to a specified console and/or display area. You | | may specify the display area (a), console (cc), or both | | (cca). If omitted the display is routed to the first | | available display area or message area of the console | | which submitted the command. | | | | | | Examples: The example below will display the status of a DASD with | | the device number 16Ø: | | | | DEVSERV P,16Ø or DS P,16Ø | | | | The example below will display the status of all devices | | numbered 36Ø-37F that are online: | | | | DS P,36Ø,32,ON | | | | The example below will display the status of SMS | | controlled device 37Ø and the three devices that follow | | it: | | | | DS S,37Ø,4 | | | |******************************* BOTTOM OF DATA *******************************|