I'm running Ubuntu 10.04 64bits in a 500GB Seagate Barracuda ES.2 with a 16MB cache and hdparm it's reporting BuffSize=0kB
Here are some of the outputs of hdparm: ---------------- hdparm -i /dev/sda /dev/sda: Model=ST3500320NS, FwRev=SN04, SerialNo=9QM182PR Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=16 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=976773168 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=no WriteCache=enabled Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2: ATA/ATAPI-4,5,6 * signifies the current active mode ---------------- hdparm -Tt /dev/sda /dev/sda: Timing cached reads: 13180 MB in 2.00 seconds = 6600.38 MB/sec Timing buffered disk reads: 316 MB in 3.02 seconds = 104.73 MB/sec ---------------- -- You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. https://bugs.launchpad.net/bugs/31072 Title: Hard drive BuffSize=0kB -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs