mkfs never calls fsync

2010-06-05
2012-11-28
  • Greg Lindahl

    Greg Lindahl - 2010-06-05

    I run 8 disks/server as a jbod, 8 filesystems. I've noticed that on a live server, if I hot swap 1 disk and format it, mkfs makes a lot of dirty pages very quickly. That makes the interactive performance of my busy database servers kinda unhappy. Is there any way to convince mkfs to throw in some fsyncs?

     
  • Greg Lindahl

    Greg Lindahl - 2010-07-02

    The e2fs release notes claim that O_DIRECT support was added in version 1.34, I am running 1.39 (rhel 5), yet I still see the problem. Hm.

     

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