On Thu, 2010-03-25 at 23:10 +0100, ACS wrote: > "Shao Miller" wrote > > Good day Adrian, > > > So is it possible that your SAN's underlying storage device/file is > > read-only? > No. > Without "verify on" command, I can alter txt file fine, changes survive > MS-DOS reboot, so there's no caching that fools me > With verify on I end up with zero byte 2.txt file, after typing command > echo 1 > 2.txt > > at the moment, my "SAN" is a linux host running vbladed for AoE target. > At topic start, I was using iSCSI target using ietd > > Is anyone able to re-create this problem? > Is it some race condition, where the sector verify-read operation is started > before sector write is finished?
Just a blind stab but you could try mounting the linux filesystem as "sync" rather than "async". DOS requires a read before write with verify on, perhaps linux does not give the correct answers without a flush before read ? Pure guess mind ..... Jon _______________________________________________ gPXE mailing list [email protected] http://etherboot.org/mailman/listinfo/gpxe
