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= Important notes = On ''phobos'', /root/.zshenv now contains {{{ PATH=/usr/heimdal/bin:/usr/afs/bin:$PATH }}} = Building OpenAFS-OSD = To build openafs, kernel headers are recommended to be installed (so configure can detect the local sysname). On SL5, as root do a {{{ yum install kernel-devel }}} and you're set (for the time being). If there's still no ''/usr/src/linux'': {{{ ln -s /usr/src/kernels/2.6.18-92.1.10.el5-i686 /usr/src/linux }}} ...or whatever directory the kernel source was installed to. In the openafs-''version'' directory: {{{ mkdir `sys` cd `sys` ../configure --prefix=/usr --libdir=/usr/lib --bindir=/usr/bin --sbindir=/usr/sbin --with-krb5-conf --enable-bitmap-later --enable-bos-restricted-mode --enable-fast-restart --enable-bos-new-config --enable-supergroups --enable-transarc-paths --enable-object-storage --enable-osd-policies }}} == Quick RPM creation == See TestCellSetup/IncludingFileservers. = Enabeling the client = * Manually: * From the source directory '''copy''' {{{ src/libafs/MODLOAD-`uname -r`-*/libafs.ko }}} to {{{ /lib/modules/`uname -r`/kernel/fs/openafs/libafs.ko }}} * {{{ depmod }}} * or * install appropriate kernel module RPM * reboot * launch ''afsd'' = Enabling OSD = {{{ [iokaste] ~ # vos setfields osdtestvol2 -osd 1 }}} = Issues = == Missing token is not handled well == {{{ $ osd volumes io -lun 1 RX xdr error Cannot list volumes Request aborted. $ osd createv io 1 536870924 Createvolume failed: RXOSD_create_part ended with 13 Request aborted.}}} In general, missing privileges are an issue but there is no "friendly output" describing the cause of the problem. Some examples of unprivileged access attempts: || '''fs osd''' || Error 13 reading length of metadata || works with '''r''' privilege granted to system:anyuser || || '''osd read''' || RX xdr error \\ Cannot read the object \\ rx_End``Call returns: 13 \\ Request aborted. || requires token || || '''osd volumes''' || RX xdr error \\ Cannot list volumes \\ Request aborted. || requires token || || '''osd examine''' || RXOSD_examine failed with code 13 \\ Request aborted. || requires token || Database queries '''osd listosds''' and '''osd servers''' seem to work unauthenticated. = Performance = || '''Server version''' || '''Clients version''' || process || max. throughput [MB/s] || || 1.4.7.osd.r302.sec || 1.4.7.osd.r302.sec || fileserver || 160 || || || || rxosd || 120 || || 1.4.7 || || fileserver || 160 || || 1.4.8 || || fileserver || 125 || || 1.4.10 || || fileserver || 125 || || 1.4.8.osd.r573x || || fileserver || 125 || || || || rxosd || 100 || || || 1.4.10.osd.nosvn || fileserver || 125 || || || || rxosd || 72 || || 1.4.7 || || fileserver || 160 || || 1.4.8 || || fileserver || 125 || || 1.4.10 || || fileserver || 125 || || || 1.4.10 || fileserver || 125 || || 1.4.7 || || fileserver || 160 || |
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