Do you think 'AFS' can be useful for this requirement. As AFS cache only change byte (or file ?).
Does it run over UFS etc (like NFS) or we need to implement a whole file system as 'AFS' to use it ? Does it need to reconfigure ..whole thing ??
>Oracle has a product called iFS which allows files to imported into the
>database and then used normally. The upshot is that only the changed blocks
>need to be backed up. I have no idea as to what performance hit you will
>take when the file is in normal use, but at least your backups will take
>Alternatively, it may just be easier and more cost effective to buy better
>tape drives - if you can stream the file to a tape device at 7MB/s it'll
>RAID/mirror the disk. You don't mention what platform you're on so what
>software you use is dependant on the platform. Sun comes with Disk Suite
>together. Oracle does this kind of thing inside it's database but I don't