On Tue, Jun 14, 2011 at 6:57 PM, Aniruddha <[email protected]> wrote: > On Tue, Jun 14, 2011 at 6:25 PM, Juan Sierra Pons <[email protected]> > wrote: >> Can you make some test with hdparm in both disks (to see disk performance)? >> >> I think the problem can be located in the I/O disk part as it happens >> when copying data (or rsnapshot is running) from two differents disks > > Which test do you recommend with hdparm? hdparm -Tt ? >
Here are the results, but this doesn't help much. Disk transfers are fast, the only problem is that they slow down the whole system. Funtoo # hdparm -Tt /dev/sdb /dev/sdb: Timing cached reads: 23816 MB in 2.00 seconds = 11930.04 MB/sec Timing buffered disk reads: 396 MB in 3.01 seconds = 131.57 MB/sec # hdparm -Tt /dev/sdc /dev/sdc: Timing cached reads: 23328 MB in 2.00 seconds = 11685.35 MB/sec Timing buffered disk reads: 384 MB in 3.01 seconds = 127.48 MB/sec Debian # hdparm -Tt /dev/sdb /dev/sdb: Timing cached reads: 28546 MB in 2.00 seconds = 14292.52 MB/sec Timing buffered disk reads: 392 MB in 3.00 seconds = 130.63 MB/sec # hdparm -Tt /dev/sdc /dev/sdc: Timing cached reads: 27858 MB in 2.00 seconds = 13946.92 MB/sec Timing buffered disk reads: 388 MB in 3.01 seconds = 129.03 MB/sec -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
