> hdparm -t /dev/sda > hdparm -t /dev/sdb OK, thanks, I have done a reference in good conditions (see below). I will be able to compare when the PC slows done. Frédéric
/dev/sda: Timing buffered disk reads: 1430 MB in 3.00 seconds = 476.63 MB/sec /dev/sda: Timing buffered disk reads: 1406 MB in 3.00 seconds = 468.60 MB/sec /dev/sda: Timing buffered disk reads: 1432 MB in 3.00 seconds = 476.72 MB/sec /dev/sda: Timing buffered disk reads: 1406 MB in 3.00 seconds = 468.26 MB/sec /dev/sda: Timing buffered disk reads: 1428 MB in 3.00 seconds = 475.63 MB/sec /dev/sdb: Timing buffered disk reads: 306 MB in 3.01 seconds = 101.82 MB/sec /dev/sdb: Timing buffered disk reads: 306 MB in 3.00 seconds = 102.00 MB/sec /dev/sdb: Timing buffered disk reads: 306 MB in 3.00 seconds = 101.90 MB/sec /dev/sdb: Timing buffered disk reads: 308 MB in 3.01 seconds = 102.19 MB/sec /dev/sdb: Timing buffered disk reads: 308 MB in 3.02 seconds = 102.14 MB/sec -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org