<!-- keep this as a security measure: #uncomment if the subject should only be modifiable by the listed groups # * Set ALLOWTOPICCHANGE = Main.TWikiAdminGroup,Main.CMSAdminGroup # * Set ALLOWTOPICRENAME = Main.TWikiAdminGroup,Main.CMSAdminGroup #uncomment this if you want the page only be viewable by the listed groups # * Set ALLOWTOPICVIEW = Main.TWikiAdminGroup,Main.CMSAdminGroup,Main.CMSAdminReaderGroup --> ---+ !!Informations on X4500 and X4540 %TOC% ---++ Solaris X4540 setup - use of the flash card *Interesting discussion where it is argumented that by using ZFS on the flash card, the wear would be reduced, and one does not need to follow the recommendations on moving /var to external resources: http://opensolaris.org/jive/thread.jspa;jsessionid=99BCC2F5CAA76BF1318FE06906E8030D?messageID=423535񧙯 ---++ Linux on the X4500 / X4540 * http://www.hps.com/~tpg/notebook/thumper.php : extensive report on a troublesome first experience with Debian on X4500 * http://wiki.lustre.org/images/7/79/Thumper-BP-6.pdf : Linux + Lustre on the Tokyo Tech Tsubame Grid * [[http://www.searchstorage.de/themenbereiche/storage-hardware/forschung-und-wissenschaft/articles/119839/][Lustre + X4500 at the "Deutsches Klimarechenzentrum"]] and their [[http://www.dkrz.de/dkrz/about/hardware/linux_cluster][system setup (schema)]] ---+++ udev rules Pointer to UDEV rules for naming disks similar as in Solaris: http://wikitech-static.wikimedia.org/articles/s/u/n/Sun_Fire_X4500_and_X4540_cd48.html Solaris device name symlinks can be made by udev. Put the following in /etc/udev/rules.d/99-thumper-disks.rules: <pre %FILESTYLE%> # # /etc/udev/rules.d/99-thumper-disks.rules # Written on 2009/08/15 by Mark Bergsma <mark@nedworks.org> # # Disk rules SUBSYSTEM=="block", KERNEL=="sd*[a-z]", KERNELS=="*:0:0:0", PROGRAM="/etc/udev/scripts/solaris-name.sh %b", ENV{SOLARIS_NAME}="$result", SYMLINK+="disk/by-cntrl/$env{SOLARIS_NAME}" # Partition rules SUBSYSTEM=="block", KERNEL=="sd*[a-z][0-9]*", KERNELS=="*:0:0:0", PROGRAM="/etc/udev/scripts/solaris-name.sh %b %n", ENV{SOLARIS_NAME}="$result", SYMLINK+="disk/by-cntrl/$env{SOLARIS_NAME}" </pre> And this (executable!) helper script in /etc/udev/scripts/solaris-name.sh: <pre %FILESTYLE%> #!/bin/bash seq=$(echo $1 | cut -d':' -f 1) controller=$(($seq / 8)) disk=$((seq % 8)) if [ -n "$2" ]; then echo "c${controller}t${disk}d0s$(($2 - 1))" else echo "c${controller}t${disk}d0" fi </pre> -- Main.DerekFeichtinger - 2009-10-30
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