Messages in this thread | | | Date | Wed, 29 Sep 1999 12:56:46 +0200 | From | Pavel Machek <> | Subject | Re: Anyone putzing with NBD besides me? |
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Hi!
> Good morning to everyone on the list. > > Is anyone working with the Network Block Device driver (NBD) in > 2.2.12. If so what type of luck are you having. > > I grabbed the tarball of userland stuff from Pavel's site and have it > up and running between a couple of SMP dual PII-450 systems. I can > make a filesystem on the device and mount it and read/write files just > fine. > > Problems seem to occur when the device gets subjected to large amounts > of I/O. In these cases the throughput goes way, way done. The > slowdown can be pretty easily demonstrated by running Bonnie with a > scratch filesize of 200-300 megabytes.
Userland client has by-design poor performance. It does not do i/o request reordering :-(. Pavel -- The best software in life is free (not shareware)! Pavel GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+
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