>
> I set up AFS vice partitions on a Digital Alpha 8400 using RAIDs
> sitting behind HSZ hardware controllers. RAID sizes were about 25 and
> 50 GB. They of course used UFS as AdvFS is (or wasn't the last time I
> looked) not supported under AFS. You can also combine RAID
> partitions together with LSM if you want really mongo size
> partitions. Transarc vfsck knows about LSM device names and finds the
> right device.
>
> It worked great for us. Great having big partitions and not having to
> worry much about balancing. The only drawback I saw to the approach
> is the time it takes to fsck and salvage a partition of this size if
> things go south. So I'd recommend picking a partition size that you
> feel comfortable with trading off the freedom of not having to
> constantly balance things against the time it takes to bring something
> back on line.
>
> -dave
>
If you can afford it go with RAID 0+1 and configure your servers such that
your mirroring one disk array against another. Also it goes without saying
have individual interfaces to each of your disk arrays.
The configuration above not only insulates your from disk failures but also
single points of failure in the I/O channel coming from the server. Although
your weak link still remains the hardware components and software systems
within the server :<(
Our AFS servers are Sun Enterprise 2 (300 MHz, 128 MB) with two Sparc
Storage Arrays (model 114 126GB).
We use small partitions 8GB (2 x 4.2GB) for the reason explained above
so that in the event of a crash we can come back on-line quicker.
--
Terry McCoy email: [EMAIL PROTECTED]
Sr Systems Engineer
Office of Information Technologies
System Services
University of Notre Dame
