Gpfs Error Logs Aix
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modes. It is used by many of the world's largest commercial companies, as well as some of the supercomputers on the Top 500 List. For example, GPFS was the filesystem of the ASC Purple Supercomputer gpfs logs linux which was composed of more than 12,000 processors and has 2 petabytes of
Gpfs Latest Version
total disk storage spanning more than 11,000 disks. In common with typical cluster filesystems, GPFS provides concurrent high-speed file access to
Gpfs Nsd Configuration
applications executing on multiple nodes of clusters. It can be used with AIX 5L clusters, Linux clusters, on Microsoft Windows Server, or a heterogeneous cluster of AIX, Linux and Windows nodes. In addition to http://www.ibm.com/support/knowledgecenter/STXKQY_4.2.0/com.ibm.spectrum.scale.v4r2.pdg.doc/bl1pdg_pdglogch.htm providing filesystem storage capabilities, GPFS provides tools for management and administration of the GPFS cluster and allows for shared access to file systems from remote GPFS clusters.+ GPFS has been available on IBM's AIX since 1998, on Linux since 2001, and on Windows Server since 2008, and it is offered as part of the IBM System Cluster 1350. The most recent release of GPFS 3.5 offers Active File Management http://unix-quick-sheets.blogspot.com/p/general-parallel-file-system-gpfs.html to enable asynchronous access and control of local and remote files, thus allowing for global file collaboration. Below you'll find a complete list of all the GPFS commands, the same are located under /usr/lpp/mmfs/bin, enjoy! Working with the Cluster CommandDescription mmcrclusterCreates GPFS Cluster Usage: mmcrfs Device {″DiskDesc[;DiskDesc...]″ | -F DescFile} [-A {yes | no | automount}] [-D {nfs4 | posix}] [-B BlockSize] [-E {yes | no}] [-j {cluster | scatter}] [-k {posix | nfs4 | all}] [-K {no | whenpossible | always}] [-L LogFileSize] [-m DefaultMetadataReplicas] [-M MaxMetadataReplicas] [-n NumNodes] [-N NumInodes[:NumInodesToPreallocate]] [-Q {yes | no}] [-r DefaultDataReplicas] [-R MaxDataReplicas] [-S {yes | no}] [-t DriveLetter] [-T MountPoint] [-v {yes | no}] [-z {yes | no}] [--version Version] mmlsclusterDisplays GPFS cluster configuration information Usage: mmlscluster [--cnfs] mmlsconfigDisplays the configuration data for a GPFS cluster Usage: mmlsconfig
Shared Disk mmfsd (1191 is default port) ========> GPFS daemon Daemon will do I/O and buffer management. Location of files: /var/adm/ras/mmfs.log.latest ========> gpfs log file /usr/lpp/mmfs/bin ========> GPFS command location /var/mmfs/gen/mmsdrfs ========> Configuration file Commands: http://aixadminstrationtips.blogspot.com/2012/12/gpfs-cluster-general-commands-on-aix.html mmlscluster ========> to list the cluster mmgetstate -aLs ========> to view http://www.dice.inf.ed.ac.uk/units/research_and_teaching/documentation/unit/GPFS/admin.html the status of the GPFS cluster mmlsconfig ========> Basic configuration information of the GPFS including no.of Filesystems lsof -i :1191 -P ========> to check the daemon port listen state. mmlsmgr -c ========> to view the GPFS manager mmlsnfd -f
possibly lock up the filesystem pending a fix. This might be a matter of removing the failing disk from the filesystem. If the filesystem can be brought back up temporarily then it ought to be possiblt to remove the disk cleanly without losing any data (assuming there is enough free space on the now reduced filesystem). Generally you might expect support to take a shot at fixing things by unmounting the filesystem and remounting, it's not expected that they do much more than this. Authenticating as the administrator Most of the gpfs mm commands require you to be logged in as root and able to ssh passwordlessly to all the gpfs nodes. Log into one of the cluster's admin hosts (currently just the scheduler host:- illustrious) nsu to root and initialise the gpfs environment with initgpfs [illustrious]iainr: nsu [illustrious]root: initgpfs Agent pid 31424 Enter passphrase for /root/.ssh/id_rsa: Identity added: /root/.ssh/id_rsa (/root/.ssh/id_rsa) [illustrious]root: This sets up passwordless RSA based authentication throughout the GPFS cluster. Provided you use the