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    SubjectRe: Poor performance during disk writes
    On Mon, 2001-12-17 at 20:09, Reid Hekman wrote:

    > Specific kernel version, df, & hdparm output would all be helpful.
    /usr 24> uname -a
    Linux PC2 2.4.16 #1 Sun Dec 2 15:26:09 EST 2001 i586 unknown
    /usr 25> df .
    Filesystem 1k-blocks Used Available Use% Mounted on
    /dev/hdb1 6047724 3472788 2267728 61% /usr
    /usr 26> hdparm -I /dev/hdb


    non-removable ATA device, with non-removable media
    Model Number: ST320413A
    Serial Number: 6ED2305M
    Firmware Revision: 3.39
    Supported: 1 2 3 4 5
    Likely used: 5
    Logical max current
    cylinders 16383 16383
    heads 16 16
    sectors/track 63 63
    bytes/track: 0 (obsolete)
    bytes/sector: 0 (obsolete)
    current sector capacity: 16514064
    LBA user addressable sectors = 39102336
    LBA, IORDY(can be disabled)
    Buffer size: 512.0kB Queue depth: 1
    Standby timer values: spec'd by standard
    r/w multiple sector transfer: Max = 16 Current = 16
    DMA: mdma0 mdma1 *mdma2 udma0 udma1 udma2 udma3 udma4 udma5
    Cycle time: min=120ns recommended=120ns
    PIO: pio0 pio1 pio2 pio3 pio4
    Cycle time: no flow control=240ns IORDY flow control=120ns
    Enabled Supported:
    * READ BUFFER cmd
    * WRITE BUFFER cmd
    * Host Protected Area feature set
    * look-ahead
    * write cache
    * Power Management feature set
    Security Mode feature set
    SMART feature set
    SET MAX security extension
    Master password revision code = 65534
    not enabled
    not locked
    not frozen
    not expired: security count
    not supported: enhanced erase
    HW reset results:
    CBLID- above Vih
    Device num = 1
    Checksum: correct

    My hdb hard drive is where I found the problem originally. Also, I'm
    running the ext2 filesystem.

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