VMware vSphere vCenter Server 4.0 - Manual (Page 90)

Table A-8. Storage Adapter Panel Statistics (Continued)
Column Description
NCHNS Number of channels.
NTGTS Number of targets.
NLUNS Number of LUNs.
NWDS Number of worlds.
BLKSZ Block size in bytes. This statistic is applicable only to LUNs.
AQLEN Storage adapter queue depth. Maximum number of ESX/ESXi VMkernel active commands that the
adapter driver is configured to support.
LQLEN LUN queue depth. Maximum number of ESX/ESXi VMkernel active commands that the LUN is
allowed to have.
%USD Percentage of queue depth (adapter, LUN or world) used by ESX/ESXi VMkernel active commands.
LOAD Ratio of ESX/ESXi VMkernel active commands plus ESX/ESXi VMkernel queued commands to queue
depth (adapter, LUN or world).
ACTV Number of commands in the ESX/ESXi VMkernel that are currently active.
QUED Number of commands in the ESX/ESXi VMkernel that are currently queued.
CMDS/s Number of commands issued per second.
READS/s Number of read commands issued per second.
WRITES/s Number of write commands issued per second.
MBREAD/s Megabytes read per second.
MBWRTN/s Megabytes written per second.
DAVG/cmd Average device latency per command, in milliseconds.
KAVG/cmd Average ESX/ESXi VMkernel latency per command, in milliseconds.
GAVG/cmd Average virtual machine operating system latency per command, in milliseconds.
DAVG/rd Average device read latency per read operation, in milliseconds.
KAVG/rd Average ESX/ESXi VMkernel read latency per read operation, in milliseconds.
GAVG/rd Average guest operating system read latency per read operation, in milliseconds.
DAVG/wr Average device write latency per write operation, in milliseconds.
KAVG/wr Average ESX/ESXi VMkernel write latency per write operation, in milliseconds.
GAVG/wr Average guest operating system write latency per write operation, in milliseconds.
QAVG/cmd Average queue latency per command, in milliseconds.
QAVG/rd Average queue latency per read operation, in milliseconds.
QAVG/wr Average queue latency per write operation, in milliseconds.
ABRTS/s Number of commands aborted per second.
RESETS/s Number of commands reset per second.
PAECMD/s The number of PAE (Physical Address Extension) commands per second.
PAECP/s The number of PAE copies per second.
SPLTCMD/s The number of split commands per second.
SPLTCP/s The number of split copies per second.
Table A-9 displays the interactive commands you can use with the storage adapter panel.
vSphere Resource Management Guide
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