<html><body><p><font size="2">Hi Jaime,</font><br><br><font size="2">When I copy & paste your command to try, this is what I got.</font><br><br><font face="Menlo-Regular">/usr/lpp/mmfs/bin/mmbackup /gpfs/fs1/home -N tapenode3-ib ??tsm?servers TAPENODE3,TAPENODE4 -s /dev/shm --tsm-errorlog $tmpDir/home-tsm-errorlog --scope inodespace -v -a 8 -L 2</font><br><br><font size="2">Regards, The Spectrum Scale (GPFS) team<br><br>------------------------------------------------------------------------------------------------------------------<br>If you feel that your question can benefit other users of Spectrum Scale (GPFS), then please post it to the public IBM developerWroks Forum at <a href="https://www.ibm.com/developerworks/community/forums/html/forum?id=11111111-0000-0000-0000-000000000479">https://www.ibm.com/developerworks/community/forums/html/forum?id=11111111-0000-0000-0000-000000000479</a>. <br><br>If your query concerns a potential software error in Spectrum Scale (GPFS) and you have an IBM software maintenance contract please contact 1-800-237-5511 in the United States or your local IBM Service Center in other countries. <br><br>The forum is informally monitored as time permits and should not be used for priority messages to the Spectrum Scale (GPFS) team.</font><br><br><img width="16" height="16" src="cid:1__=0ABB0F9FDFD670F68f9e8a93df938690918c0AB@" border="0" alt="Inactive hide details for Jaime Pinto ---02/11/2020 05:26:53 PM---Hi Mark, Just a follow up to your suggestion few months ago."><font size="2" color="#424282">Jaime Pinto ---02/11/2020 05:26:53 PM---Hi Mark, Just a follow up to your suggestion few months ago.</font><br><br><font size="2" color="#5F5F5F">From: </font><font size="2">Jaime Pinto <pinto@scinet.utoronto.ca></font><br><font size="2" color="#5F5F5F">To: </font><font size="2">gpfsug main discussion list <gpfsug-discuss@spectrumscale.org>, Marc A Kaplan <makaplan@us.ibm.com></font><br><font size="2" color="#5F5F5F">Date: </font><font size="2">02/11/2020 05:26 PM</font><br><font size="2" color="#5F5F5F">Subject: </font><font size="2">[EXTERNAL] Re: [gpfsug-discuss] mmbackup [--tsm-servers TSMServer[, TSMServer...]]</font><br><font size="2" color="#5F5F5F">Sent by: </font><font size="2">gpfsug-discuss-bounces@spectrumscale.org</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><tt><font size="2">Hi Mark,<br>Just a follow up to your suggestion few months ago.<br><br>I finally got to a point where I do 2 independent backups of the same path to 2 servers, and they are pretty even, finishing within 4 hours each, when <br>serialized.<br><br>I now just would like to use one mmbackup instance to 2 servers at the same time, with the --tsm-servers option, however it's not being <br>accepted/recognized (see below).<br><br>So, what is the proper syntax for this option?<br><br>Thanks<br>Jaime<br><br># /usr/lpp/mmfs/bin/mmbackup /gpfs/fs1/home -N tapenode3-ib \u2010\u2010tsm\u2010servers TAPENODE3,TAPENODE4 -s /dev/shm --tsm-errorlog $tmpDir/home-tsm-errorlog <br>--scope inodespace -v -a 8 -L 2<br>mmbackup: Incorrect extra argument: \u2010\u2010tsm\u2010servers<br>Usage:<br> mmbackup {Device | Directory} [-t {full | incremental}]<br> [-N {Node[,Node...] | NodeFile | NodeClass}]<br> [-g GlobalWorkDirectory] [-s LocalWorkDirectory]<br> [-S SnapshotName] [-f] [-q] [-v] [-d]<br> [-a IscanThreads] [-n DirThreadLevel]<br> [-m ExecThreads | [[--expire-threads ExpireThreads] [--backup-threads BackupThreads]]]<br> [-B MaxFiles | [[--max-backup-count MaxBackupCount] [--max-expire-count MaxExpireCount]]]<br> [--max-backup-size MaxBackupSize] [--qos QosClass] [--quote | --noquote]<br> [--rebuild] [--scope {filesystem | inodespace}]<br> [--backup-migrated | --skip-migrated] [--tsm-servers TSMServer[,TSMServer...]]<br> [--tsm-errorlog TSMErrorLogFile] [-L n] [-P PolicyFile]<br><br>Changing the order of the options/arguments makes no difference.<br><br>Even when I explicitly specify only one server, mmbackup still doesn't seem to recognize the \u2010\u2010tsm\u2010servers option (it thinks it's some kind of argument):<br><br># /usr/lpp/mmfs/bin/mmbackup /gpfs/fs1/home -N tapenode3-ib \u2010\u2010tsm\u2010servers TAPENODE3 -s /dev/shm --tsm-errorlog $tmpDir/home-tsm-errorlog --scope <br>inodespace -v -a 8 -L 2<br>mmbackup: Incorrect extra argument: \u2010\u2010tsm\u2010servers<br>Usage:<br> mmbackup {Device | Directory} [-t {full | incremental}]<br> [-N {Node[,Node...] | NodeFile | NodeClass}]<br> [-g GlobalWorkDirectory] [-s LocalWorkDirectory]<br> [-S SnapshotName] [-f] [-q] [-v] [-d]<br> [-a IscanThreads] [-n DirThreadLevel]<br> [-m ExecThreads | [[--expire-threads ExpireThreads] [--backup-threads BackupThreads]]]<br> [-B MaxFiles | [[--max-backup-count MaxBackupCount] [--max-expire-count MaxExpireCount]]]<br> [--max-backup-size MaxBackupSize] [--qos QosClass] [--quote | --noquote]<br> [--rebuild] [--scope {filesystem | inodespace}]<br> [--backup-migrated | --skip-migrated] [--tsm-servers TSMServer[,TSMServer...]]<br> [--tsm-errorlog TSMErrorLogFile] [-L n] [-P PolicyFile]<br><br><br><br>I defined the 2 servers stanzas as follows:<br><br># cat dsm.sys<br>SERVERNAME TAPENODE3<br> SCHEDMODE PROMPTED<br> ERRORLOGRETENTION 0 D<br> TCPSERVERADDRESS 10.20.205.51<br> NODENAME home <br> COMMMETHOD TCPIP<br> TCPPort 1500<br> PASSWORDACCESS GENERATE<br> TXNBYTELIMIT 1048576 <br> <br>SERVERNAME TAPENODE4<br> SCHEDMODE PROMPTED<br> ERRORLOGRETENTION 0 D<br> TCPSERVERADDRESS 192.168.94.128<br> NODENAME home<br> COMMMETHOD TCPIP<br> TCPPort 1500<br> PASSWORDACCESS GENERATE<br> TXNBYTELIMIT 1048576<br> TCPBuffsize 512<br><br><br><br><br><br><br><br>On 2019-11-03 8:56 p.m., Jaime Pinto wrote:<br>> <br>> <br>> On 11/3/2019 20:24:35, Marc A Kaplan wrote:<br>>> Please show us the 2 or 3 mmbackup commands that you would like to run concurrently.<br>> <br>> Hey Marc,<br>> They would be pretty similar, with the only different being the target TSM server, determined by sourcing a different dsmenv1(2 or 3) prior to the <br>> start of each instance, each with its own dsm.sys (3 wrappers).<br>> (source dsmenv1; /usr/lpp/mmfs/bin/mmbackup /gpfs/fs1/home -N tapenode3-ib -s /dev/shm --tsm-errorlog $tmpDir/home-tsm-errorlog -g <br>> /gpfs/fs1/home/.mmbackupCfg1 --scope inodespace -v -a 8 -L 2)<br>> (source dsmenv3; /usr/lpp/mmfs/bin/mmbackup /gpfs/fs1/home -N tapenode3-ib -s /dev/shm --tsm-errorlog $tmpDir/home-tsm-errorlog -g <br>> /gpfs/fs1/home/.mmbackupCfg2 --scope inodespace -v -a 8 -L 2)<br>> (source dsmenv3; /usr/lpp/mmfs/bin/mmbackup /gpfs/fs1/home -N tapenode3-ib -s /dev/shm --tsm-errorlog $tmpDir/home-tsm-errorlog -g <br>> /gpfs/fs1/home/.mmbackupCfg3 --scope inodespace -v -a 8 -L 2)<br>> <br>> I was playing with the -L (to control the policy), but you bring up a very good point I had not experimented with, such as a single traverse for <br>> multiple target servers. It may be just what I need. I'll try this next.<br>> <br>> Thank you very much,<br>> Jaime<br>> <br>>><br>>> Peeking into the script, I find:<br>>><br>>> if [[ $scope == "inode-space" ]]<br>>> then<br>>> deviceSuffix="${deviceName}.${filesetName}"<br>>> else<br>>> deviceSuffix="${deviceName}"<br>>><br>>><br>>> I believe mmbackup is designed to allow concurrent backup of different independent filesets within the same filesystem, Or different filesystems...<br>>><br>>> And a single mmbackup instance can drive several TSM servers, which can be named with an option or in the dsm.sys file:<br>>><br>>> # --tsm-servers TSMserver[,TSMserver...]<br>>> # List of TSM servers to use instead of the servers in the dsm.sys file.<br>>><br>>><br>>><br>>> Inactive hide details for Jaime Pinto ---11/01/2019 07:40:47 PM---How can I force secondary processes to use the folder instrucJaime Pinto <br>>> ---11/01/2019 07:40:47 PM---How can I force secondary processes to use the folder instructed by the -g option? I started a mmbac<br>>><br>>> From: Jaime Pinto <pinto@scinet.utoronto.ca><br>>> To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>>> Date: 11/01/2019 07:40 PM<br>>> Subject: [EXTERNAL] [gpfsug-discuss] mmbackup \u2010g GlobalWorkDirectory not being followed<br>>> Sent by: gpfsug-discuss-bounces@spectrumscale.org<br>>><br>>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ <br>>><br>>><br>>><br>>><br>>> How can I force secondary processes to use the folder instructed by the -g option?<br>>><br>>> I started a mmbackup with \u2010g /gpfs/fs1/home/.mmbackupCfg1 and another with \u2010g /gpfs/fs1/home/.mmbackupCfg2 (and another with \u2010g <br>>> /gpfs/fs1/home/.mmbackupCfg3 ...)<br>>><br>>> However I'm still seeing transient files being worked into a "/gpfs/fs1/home/.mmbackupCfg" folder (created by magic !!!). This absolutely can not <br>>> happen, since it's mixing up workfiles from multiple mmbackup instances for different target TSM servers.<br>>><br>>> See below the "-f /gpfs/fs1/home/.mmbackupCfg/prepFiles" created by mmapplypolicy (forked by mmbackup):<br>>><br>>> DEBUGtsbackup33: /usr/lpp/mmfs/bin/mmapplypolicy "/gpfs/fs1/home" -g /gpfs/fs1/home/.mmbackupCfg2 -N tapenode3-ib -s /dev/shm -L 2 --qos maintenance <br>>> -a 8 -P /var/mmfs/mmbackup/.mmbackupRules.fs1.home -I prepare -f /gpfs/fs1/home/.mmbackupCfg/prepFiles --irule0 --sort-buffer-size=5% --scope <br>>> inodespace<br>>><br>>><br>>> Basically, I don't want a "/gpfs/fs1/home/.mmbackupCfg" folder to ever exist. Otherwise I'll be forced to serialize these backups, to avoid the <br>>> different mmbackup instances tripping over each other. The serializing is very undesirable.<br>>><br>>> Thanks<br>>> Jaime<br>>><br>>><br>>><br><br><br><br><br> ************************************<br> TELL US ABOUT YOUR SUCCESS STORIES<br> </font></tt><tt><font size="2"><a href="http://www.scinethpc.ca/testimonials">http://www.scinethpc.ca/testimonials</a></font></tt><tt><font size="2"> <br> ************************************<br>---<br>Jaime Pinto - Storage Analyst<br>SciNet HPC Consortium - Compute/Calcul Canada<br></font></tt><tt><font size="2">www.scinet.utoronto.ca</font></tt><tt><font size="2"> - </font></tt><tt><font size="2">www.computecanada.ca</font></tt><tt><font size="2"><br>University of Toronto<br>661 University Ave. (MaRS), Suite 1140<br>Toronto, ON, M5G1M1<br>P: 416-978-2755<br>C: 416-505-1477<br>_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br></font></tt><tt><font size="2"><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></font></tt><tt><font size="2"> <br><br></font></tt><br><br><BR>
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