What do you get when you run ? hdparm -Tt /dev/sda
On Mon, May 12, 2014 at 3:18 PM, Philippe Schwarz <[email protected]>wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > Hi, > on Proxmox 3.1 with LInux KVM guest : > > # hdparm -t /dev/vda > > /dev/vda: > Timing buffered disk reads: 896 MB in 3.02 seconds = 296.78 MB/sec > > On the prxomox host itself: > > hdparm -t /dev/sda > > /dev/sda: > Timing buffered disk reads: 388 MB in 3.01 seconds = 129.09 MB/sec > > > So, ....the VM is more than twice faster than the real disk > subsystem... Weird.... > > Did i hit a cache problem ? > > Thanks > > Best regards > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.12 (GNU/Linux) > Comment: Using GnuPG with Icedove - http://www.enigmail.net/ > > iEYEARECAAYFAlNxLJUACgkQlhqCFkbqHRbMIACbBvX0SNLZQNR75Hpig0ArGSJ0 > sVYAoJMisShiCTlqz1Ni0nM29wSb1OQJ > =WjZH > -----END PGP SIGNATURE----- > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >
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