Hi, Reimer, carlosreimer wrote: > There is some performance problems with the server and I discovered with > vmstat tool that there is some process writing a lot of information in > the disk subsystem. [..] > I could I discover who is sending so many data to the disks? It could be something triggered by your crontab (updatedb comes in my mind, or texpire from leafnode etc.). Another idea would be that you have statement logging on, or something else that produces lots of kernel or syslog messages[1], and your syslogd is configured to sync() after every line... HTH, Markus [1] We once had such a problem because an ill-compiled kernel having USB verbose logging on... -- Markus Schaber | Logical Tracking&Tracing International AG Dipl. Inf. | Software Development GIS Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org