On 01/24/17 8:56 PM, Pascal Hambourg wrote: > Le 24/01/2017 à 00:45, Miguel González a écrit : >> >> I´m running Proxmox 4.2 which is debian jessy with a software RAID of 2 >> Tb SATA disks of 7200 RPM in a dedicated server. >> >> I have set it up using OVH Proxmox installer with ext4. I have >> realized that another server with just one SATA disk has writes of about >> 140 MB/s while this server with 2 disks has just reads around 40 MB/s: >> >> root@myserver:~# hdparm -Tt /dev/sda >> >> /dev/sda: >> Timing cached reads: 11800 MB in 2.00 seconds = 5903.84 MB/sec >> Timing buffered disk reads: 136 MB in 3.17 seconds = 42.94 MB/sec > > Is this a physical disk ? Then it is slow by today's standards, or > defective, or busy doing other reads while you run the test. > > There is nothing RAID or ext4 can do to make it faster. > >
Yes, it´s a physical disk. I have raised a ticket with the hosting company. Thanks!