Status of the project

I used it in production (even as gmirror substitute) and had no data loss since some months with a stable version.

On the other hand it might be, that there r some strange special cases, where graid5 does not behave as good as it should (e. g. in case of sudden disk failure + reboot + sudden disk resurrection)

SO USE WITH CARE!

If somebody wants to donate some time in order to test some special cases, I would be glad...

How to install

Decide if u want the efficient (very experimental) version or the "stable(?)" version.
Download the current source tar ball to some directory X (e. g. /tmp): "stable(?)" or "not so stable" or "has a problem with concurrent write requests! not so stable with another cache strategy"
Make sure, that u installed sources for "base (or how it is called now)", "sbin" and "sys (kernel)"
As root user do: tar xjf X/geom_raid5(-eff|-pp|"").tbz -C /usr/src
As root user compile+install the kernel module: cd /sys/modules/geom/geom_raid5 ; make ; cp geom_raid5.ko /boot/modules
As root user copy the graid5.h file to its place: mkdir /usr/include/geom/raid5 ; cp /usr/src/sys/geom/raid5/g_raid5.h /usr/include/geom/raid5/g_raid5.h
As root user compile+install the user-land tool: cd /usr/src/sbin/geom/class/raid5 ; make clean obj depend && make && make install
If u use (t)csh, do a rehash

Now u should be able to load the kernel module "graid5 load" and to use the man page "man graid5" and to play around...

Testing officers

veronica: ve roni ca (at) fluf fles (dot) net
francheteau quentin: bird yz 53 (at) hot mail (dot) com