Joerg Schilling 写道: > Bruno Damour <[EMAIL PROTECTED]> wrote: > > >> hello, >> I have a USB pen drive, formatted with FAT32. >> It is working with correct speed under linux, windows, freebsd. >> I mean I can copy to and from files. >> In the contrary, it is VERY slow on opensolaris. >> I mean a transfer of 10 files total 1GB takes around 3 mn on windows and >> 1 1/2 hour in solaris. >> Is there any explanation / workaround ? >> > > You most likely run USB-1.1 only. > > You need to check why... > > Jörg > If we follow ufs and zfs, and enable pcfs_getpage() to inline pnv_getpages(), maybe we get better performance ? Or read-ahead before page fault is useful ?
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