>> If your distro supports trim and your ssd has poor garbage collection
>> I would suggest the discard option in your /etc/fstab in order to use
>> the kernel trim feature.
> AFAIK this requires a 2.6.36 kernel if used together with LVM.
It also depends on the file-system, of course. IIUC discard support for
ext3 is still not included in the mainstream kernel, for example.
Stefan