https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-11837 Lustre <p>Looking at the iokit-lstats script, we see the example</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> very <span class="code-object">short</span> example: # # to start collection: # VMSTAT_INTERVAL=0 SERVICE_INTERVAL=2 SDIO_INTERVAL=0 iokit-lstats start # </pre> </div></div> <p>Yet, if you run this command on a client, you’ll get errors</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># VMSTAT_INTERVAL=0 SERVICE_INTERVAL=2 SDIO_INTERVAL=0 iokit-lstats start error: list_param: param_path 'ost/*': No such file or directory error: list_param: listing 'ost/*': No such file or directory error: list_param: param_path 'mdt/*': No such file or directory error: list_param: listing 'mdt/*': No such file or directory error: list_param: param_path 'obdfilter/*': No such file or directory error: list_param: listing 'obdfilter/*': No such file or directory error: list_param: param_path 'mds/*': No such file or directory error: list_param: listing 'mds/*': No such file or directory </pre> </div></div> <p>A process is started, but the errors might concern the user. </p> <p>The example doesn’t even run without complaining on a server. On an MDS, we see</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># VMSTAT_INTERVAL=0 SERVICE_INTERVAL=2 SDIO_INTERVAL=0 iokit-lstats start error: list_param: param_path 'ost/*': No such file or directory error: list_param: listing 'ost/*': No such file or directory error: list_param: param_path 'obdfilter/*': No such file or directory error: list_param: listing 'obdfilter/*': No such file or directory </pre> </div></div> <p>It seems like the example needs to be modified and/or some clarification should be added on where the command should be run. </p> <p>Also, it would be nice to add a help flag to this script if we allow users to run it</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># VMSTAT_INTERVAL=0 SERVICE_INTERVAL=2 SDIO_INTERVAL=0 iokit-lstats --help Unknown command # VMSTAT_INTERVAL=0 SERVICE_INTERVAL=2 SDIO_INTERVAL=0 iokit-lstats -help Unknown command </pre> </div></div> LU-11837

iokit-lstats example should be modified

Improvement Minor Open Unresolved WC Triage James Nunez Mon, 7 Jan 2019 16:23:43 +0000 Mon, 7 Jan 2019 17:48:17 +0000 Lustre 2.12.0 Lustre 2.13.0 0 1 Related LU-11732 Development Rank 1|i008yf: Rank (Obsolete) 9223372036854775807