id summary reporter owner description type status priority milestone component version severity resolution keywords cc mlocked 9709 TFW IOBOUND spamme@… danielk "I keep getting these messages at the start of recordings. Between 1 and 5 (sometimes more) occurences at the beginning of every recording. TFW IOBOUND 5169 free(0) size (4194304) cnr(1) Normally, I assume that this message means your hard drive isn't good enough. However, this is NOT the case. The OS and mysql are on 1 hard drive and recordings on another. I have a RAID 6 array with hardware controller, 4GB of RAM, and a AMD Quad Core 3Ghz processor dedicated to mythtv and general file storage. Assuming that 4194304 is a size in bytes, that is so small that it is useless, 4MB of buffer???? How do I increase this tiny number. Since even the most humble hard drives should be able to push 40mb/s I would like a 40mb buffer. Either that or a buffer that automatically expands and contracts as needed. I am especially concern because I have 4 HD tuners if 4MB isn't enough for 1 HDTV stream it certainly can't handle 4 at once. My lowest RAID 6 speed is 100mb/s write and 500mb/s read. Typically write speeds are 200mb/s and read speed can reach 650mb/s. I found a ""HD ringbuffer size"" setting in mythtv-setup->General and I slowly cranked it up to its max of 96,256kb of ram to no effect. I have tons of system resources including TB of free space on the RAID and etc. This message should not be happening to me. Mythtv could use 500mb of ram as a buffer and I wouldn't care, but getting IOBOUND on my system must indicate an inefficiency in the code. A HD recording is about 2-4mb/s each, and with modern hardware we should never be IOBOUND. Ten concurrent recording should max at about 40mb/s a number well within any modern hard drives capabilities. I have extensively benchmarked all hardware and have upgraded to newer and faster equipment. I am still getting TFW IOBOUND...... My hardware is WAY above what I should *need*. " Bug Report - General closed minor 0.25 MythTV - Recording Master Head medium Fixed 1