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= 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 ||

Sub pages:

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

AfsOsd (last edited 2009-08-17 16:11:48 by WaltrautNiepraschk)