Public bug reported: Binary package hint: mdadm
I use feisty Reading from my raid1 is as fast as a single sata disc: hdparm -t /dev/sda1 /dev/sda1: Timing buffered disk reads: 172 MB in 3.00 seconds = 57.27 MB/sec hdparm -t /dev/sdb1 /dev/sdb1: Timing buffered disk reads: 172 MB in 3.01 seconds = 57.20 MB/sec hdparm -t /dev/md0 /dev/md0: Timing buffered disk reads: 172 MB in 3.00 seconds = 57.29 MB/sec i tried * different motherboard with a different sata onboard controller but also the same results * different ubuntu kernels: 2.6.17, 2.60.20 and from gutsy 2.6.22rc * different images: linux-image-2.6.20-16-generic 2.6.20-16.29 linux-image-2.6.20-16-lowlatency 2.6.20-16.29 linux-image-2.6.20-16-server 2.6.20-16.29 can anybody explain me why? ** Affects: mdadm (Ubuntu) Importance: Undecided Status: Unconfirmed -- raid1 with sata is slow (speed of a single disc) https://bugs.launchpad.net/bugs/120378 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs