--- Devdas Bhagat devdas@dvb.homelinux.org wrote:
On 29/04/04 21:30 -0700, kishor bhagwat wrote:
<snip> > none of these will work. you need to use proprietary > solutions that will intercept Write calls to the OS, > transfer them to DR site, actually write to remote disk, > get an acknowledge from there, write to local disk, and > *only then* acknowledge a successful write to > applcation.(now u know why zero data loss solutions cost a > bomb and screw up app response times) Two phase commit. You can always implement a kernel module to do this.
u can. the problem is in handling delays, link failures, and other assorted problems.thats what makes the s/w complex.definitely doable (being done already)..
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