ASAP 2.8 Server Manual

ASAP Conversational Interface Commands
HP NonStop ASAP Server Manual—522303-007
6-31
DISK Command
Table 6-5. DISK Statistics and Descriptions
Examples
These examples show what you can display with the DISK command:
+DISK,QUEUE
\CENTDIV Date Time Qlen Qm VQln Vm Requests ReqBlk InputKB OutptKB BSplt
----------------------------------------------------------------------------
$BR-P 4/28 14:50 2 1 0.00 0 0
$BR-M 14:50 2 1 0.00 0 0
$CO-P 4/28 14:50 1 0 0.00 0 0
$CO-M 14:50 1 0 0.00 0 0
$DSV-P 4/28 14:50 1 0 0.00 0 0
$MC-P 4/28 14:50 2 3 0.10 0 0
Statistics Option/Description
BSPLT The block split total of 512 through 4096 block splits for the volume.
BUSY% Total percentage disk busy during read, write, and seek operations.
CHIT Cache hits. Total of 512 through 4096 blocks that occurred per second.
DATE Date of the sample converted to the database local civil time.
INPUTKB The number of kilobytes read per second from the disk.
GBUSED Total gigabytes of disk space allocated.
Max ExtMB The largest free extent available for the volume.
MBUSE% Percentage of disk space allocated.
MB AVAIL Total megabytes of disk space allocated.
OUTPTKB The number of kilobytes written per second to the disk.
QLEN The disk queue length of read/write operations waiting to execute.
QM The maximum number of items in the queue described by QLEN.
RATE The total utilization of reads, writes, and seeks per second.
RBLK The number of operations blocked because of file or record locks.
READ Number of reads per second.
READ% Percentage of time spent reading.
REQUESTS The number of I/O requests per second received by the disk process.
STATE State of the drive; the DISK INFO command for the list of possible states.
SWAP Number of memory page swaps per second to or from disk.
VQLN The disk volume semaphore queue length (exclusive and shared modes
operation).
VQ The maximum number of volume semaphore requests for the semaphore
queue.
WRITE Number of writes per second.
WRITE% The percentage of time spent writing.
TIME The time of the sample converted to database local civil time.