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drop_setup

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CMDS

  • [root] export USER=<username>; useradd ${USER} ; passwd ${USER} ; /usr/sbin/setquota -u ${USER} 20000000 30000000 0 0 /export ; # usermod -G vault ${USER}

TROUBLESHOOTING

  • If nodes won't properly boot (usually caused by unclean shutdown)
    • Remove 'old' boot image on master, for this node: /tftpboot/pxelinux/pxelinux.cfg/C0A800F? where ? = EDCBA9 for nodes 012345
    • Manually reboot node (force PXE boot with F12 if needed)
  • If network is slow (dmesg | grep eth says “Link is up at 10 Mbps, half duplex”) force with ethtool:
    • ethtool -s eth1 speed 1000
    • for eth0 ifdown eth0; ifup eth0

DONE

  • ROCKS user guide: http://www.rocksclusters.org/roll-documentation/base/5.1/
  • BACKUP
    • Run ~leeuwen/bin/backup-vault-to-sara (tar + sftp to /archive/joerivl/drop/)
  • Changed aliases c0 .. c5 ; drop ; f for frontend
    • [root@drop ~]# for i in `seq 0 5`; do rocks add host alias compute-0-$i c$i; done
  • RAID: set up raid check + e-mail
    • Smart Array P600
    • 'hpacucli' rpm (e-mail frank) + RPMs compat-lidstdc*
    • per http://www.mulder.franken.de/workstuff/ (changed to incorporate “Bay Numbers” vs HW drives)
    • /etc/cron.hourly/raidcheck + /root/bin/check-hp-raid-status.pl
    • front-end
      • e2label /dev/sda5 /scratch ..etc
      • edited /etc/fstab + run sudo mount -a ; /export now on 4TB raid, /data on 7TB raid; scratch=local disk
      • turned off automount ; /etc/auto.master now empty ; /etc/exports now /data/ and /exports/
      • using fdisk “type fd” and mdadm –create etc, added 2×750 software RAID0
        • /sbin/mdadm -Ac partitions -m 0 /dev/md0 (to bring up after reboot)
        • /sbin/fsck.ext4 /dev/md0
        • mount -t ext4 /dev/md0 /scratch2
  • RAID INITIAL BUILD with /usr/sbin/hpacucli (Guide, p44+)
    • ctrl slot=1 pd all show
    • ctrl slot=1 ld all delete
    • ctrl slot=1 create type=ld drives=1E:1:1,1E:1:2,1E:1:3,1E:1:4,1E:1:5,1E:1:6,1E:1:7 raid=6
    • ctrl slot=1 create type=ld drives=1E:1:8,1E:1:9,1E:1:10,1E:1:11,1E:1:12 raid=0
    • parted /dev/cciss/c0d1 (after some fiddling to delete old partitions)
      • mklabel gpt
      • mkpartfs primary ext3 0 -0
  • RAID0 REBUILD
    • Kill processes (/sbin/fuser -m /dev/cciss/c0d1p1, then kill with -k), then unmount
    • Blink LED (ctrl slot=1 pd 1E:1:10 modify led=on), Replace disk,
    • Re-enable logical drive (ctrl slot=1 ld 2 modify reenable forced) (from Cheat sheet)
    • Make new file system, /sbin/mkfs.ext3 -L /data /dev/cciss/c0d1p1
  • RAID PHYS CONFIG
    • Drive 1 = left, top; Count seems to be 1-3 = left column, top to bottom. RAID0=two lowest in second-to-right colum + entire right column
  • CROSSMOUNTS
    • removed automounter. changed /etc/exports and node script to hard mount. Homedirs are /export/home/
    • make -C /var/411 clean; make -C /var/411; make -C /var/411 force; cluster-fork 411get --all
    • /etc/rc.d/init.d/nfs restart; /etc/rc.d/init.d/nfs restart; make -C /var/411; service autofs reload; exportfs -a
    • mv /usr/local /usr/local.rocks
    • Write speeds: RAID6 10MB/s, RAID0 40MB/s, local disk 40MB/s (10*2GB file)
    • after /usr/sbin/hpacucli ctrl slot=1 modify drivewritecache=enable (..disable)
      • Write speeds: RAID6 70MB/s, RAID0 130MB/s, local disk 40MB/s (10*2GB file)
    • Read speeds: RAID0 160MB/s, RAID5/local 140MB/s
    • Increased number of NFS threads from 8 to 32 (link 12)
  • VNC/ETC
  • GRID ENGINE
  • NODE CONFIG
    • replace-partition.xml; extend-compute.xml
    • rocks remove host partition compute-0-0
    • cd /export/rocks/install ; rocks create distro ; ssh c0 “/boot/kickstart/cluster-kickstart-pxe” ; #OR; ssh c0 “/boot/kickstart/cluster-kickstart”
    • rocks remove host partition compute-0-1 #etc; cluster-fork -n 'c%d:1-5' 'rm /.rocks-release; /boot/kickstart/cluster-kickstart-pxe' ;
    • (removed /tftpboot/pxelinux/pxelinux.cfg/C0A800FE )
    • fftw compile + /usr/local; made fftw(l)(f) wisdom, added custom paths, /etc/hostname
    • tempo from gasp in /usr/local/src/tempo
    • installed subversion by RPM, cfitsio-3.140 from source: ./configure –prefix=/usr/local
    • pgplot from source $PGPLOT_DIR, g77 from RPM
      • ln -s /usr/local/include/pgplot/libpgplot.so /usr/local/lib
      • also compiled gfortran version (g77 and gfortran, for f90, not compatible) per link
        • in /usr/local/include/pgplot-gfortran
    • Built LAPACK + ATLAS from source ( HOWTO )
      • ../configure -Fa alg -fPIC –with-netlib-lapack=/usr/local/src/lapack-3.2.1/lapack_LINUX.a
      • cd /usr/local/lib; ln -s /usr/local/src/ATLAS/ATLAS.x86_64/lib/lib* .
    • Numpy, SciPy from svn
      • rm -Rf build ; python ./setup.py build --fcompiler=gnu95; python ./setup.py install --prefix=/usr/local/
      • + (Nose from web )
    • iPython, matplotlib (+tkinter), PyFFTW, ctypes, git from source
    • presto from svn tar from github ; keep changes in old Makefile
      • (had to link libs2g.so to /usr/lib64), /usr/local/src/presto
      • ppgplot: ppgplot_libraries = [“cpgplot”, “pgplot”, “X11”, “png”, “m”, “g2c”] + ppgplot_library_dirs = [“/usr/X11R6/lib”]
    • Set UseDNS to NO in /etc/ssh/sshd_config for master+nodes, after very slow logins after IP changes to front node
      • Which turned out to be caused by outdated DNS server in named.conf and resolve.conf: rocks set var Kickstart PublicDNSServers 195.169.63.49 in python/setup.py
  • NODE PACKAGES
  • ADMIN
    • User quota (1, 2, chmod 644 quota file, quotaon -a)
    • groupadd vault; usermod -G vault leeuwen; #etc

DOING

  • LIGHTPATH
    • installed eth2 on c4. edited /etc/sysconfig/network-scripts/ifcfg-eth2 to static IPADDR=192.87.39.129, NETMASK=255.255.255.248, MTU=9000
    • On command line, added route add 145.100.26.152 gw 192.87.39.130 for Huygens

TODO

  • Read OAK topics and redo
drop_setup.1304953039.txt.gz · Last modified: 2011/05/09 14:57 by leeuwen