Dmitry Panov <dmitry@tsu.tula.ru> writes:
> Yes, but if the server has crashed earlier the script won't be called
> and if the filesystem can't be recovered the changes will be lost. My
> point is the server should write into both (or more) files at the same
> time.
As for that, I agree with the other person: a RAID array does that just
fine, and with much higher performance than we could muster.
regards, tom lane