Reference Guide Scyld ClusterWare Release 5.10.1-5101g0000 December 18, 2013 Reference Guide: Scyld ClusterWare Release 5.10.1-5101g0000; December 18, 2013 Revised Edition Published December 18, 2013 Copyright © 1999 - 2013 Penguin Computing, Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the prior written permission of Penguin Computing, Inc.. The software described in this document is "commercial computer software" provided with restricted rights (except as to included open/free source). Use beyond license provisions is a violation of worldwide intellectual property laws, treaties, and conventions. Scyld ClusterWare, the Highly Scyld logo, and the Penguin Computing logo are trademarks of Penguin Computing, Inc.. 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Table of Contents Preface .....................................................................................................................................................................................v Feedback.........................................................................................................................................................................v Scyld ClusterWare Commands .............................................................................................................................................7 bdate................................................................................................................................................................................9 beoboot .........................................................................................................................................................................11 beoconfig.......................................................................................................................................................................15 beomap..........................................................................................................................................................................19 beonetconf.....................................................................................................................................................................23 beonpc...........................................................................................................................................................................25 beorun ...........................................................................................................................................................................27 beosetup ........................................................................................................................................................................31 beosi..............................................................................................................................................................................35 beostatus .......................................................................................................................................................................39 beostat...........................................................................................................................................................................43 bpcp...............................................................................................................................................................................45 bpsh...............................................................................................................................................................................47 bpstat.............................................................................................................................................................................51 linpack...........................................................................................................................................................................55 mpprun..........................................................................................................................................................................59 Scyld ClusterWare Maintenance Commands....................................................................................................................63 beofdisk.........................................................................................................................................................................65 beorsync........................................................................................................................................................................69 beomodprobe ................................................................................................................................................................71 beoserv..........................................................................................................................................................................73 bpctl ..............................................................................................................................................................................75 bplib ..............................................................................................................................................................................79 bpmaster........................................................................................................................................................................81 bpslave ..........................................................................................................................................................................83 node_down....................................................................................................................................................................85 recvstats ........................................................................................................................................................................87 sendstats........................................................................................................................................................................89 Scyld ClusterWare Special Files .........................................................................................................................................91 beowulf-config..............................................................................................................................................................93 beowulf-fstab ..............................................................................................................................................................103 Scyld ClusterWare Beostat Libraries...............................................................................................................................105 beostat_count_idle_cpus.............................................................................................................................................107 beostat_count_idle_cpus_on_node.............................................................................................................................109 beostat_get_avail_nodes_by_id ..................................................................................................................................111 beostat_get_cpu_count ...............................................................................................................................................113 beostat_get_cpu_percent.............................................................................................................................................115 beostat_get_cpuinfo_x86............................................................................................................................................117 beostat_get_disk_usage ..............................................................................................................................................119 beostat_get_last_multicast..........................................................................................................................................121 beostat_get_loadavg ...................................................................................................................................................123 beostat_get_meminfo..................................................................................................................................................125 beostat_get_MHz........................................................................................................................................................127 iii beostat_get_name .......................................................................................................................................................129