Tomasz Ostrowski escribió:
On Sat, 01 Dec 2007, rihad wrote:

fsync = on;
synchronous_commit = off;
full_page_writes = off;
Thanks for any insights or clarifying missed points.

Also check whether a disks have write-caching turned off - it should.
On Linux the command is:
        # hdparm -W /dev/sda
        /dev/sda:
         write-caching =  0 (off)

Uh? That command as was written lacks an argument for -W (0/1). From the hdparm --help:

 -W   set drive write-caching flag (0/1) (DANGEROUS)

# hdparm -V
hdparm v6.9



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