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Mothman1's avatar
Feb 11, 2013

Duo (v1) with WD20EARS + WD20EARX

I have recently swapped out 2 x 500GB drives and replaced with 2 x 2TB drives as per subject line.
I have the opportunity to replace the EARS drive with a EARX drive so that they would be a matched pair. Both drives are second-hand and the EARS has a Load Cycle count >118000.

I used to get upload speeds of around 18MB/s with the 500GB config, now I only see 9MB/s. Is this a symptom of the drive mis-match or something else? I read of setting WDIDLE for these drives - how do I do this?

3 Replies

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  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    If you download your logs (Status > Logs > Download all logs) and extract the zip contents what does partition.log look like?
  • Thanks for the reply. This is what I get:
    Disk /dev/hde doesn't contain a valid partition table

    Disk /dev/hdc: 2000.3 GB, 2000388448256 bytes
    255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Disk identifier: 0x00000000

    Device Boot Start End Blocks Id System
    /dev/hdc1 2 4096001 2048000 83 Linux
    Partition 1 does not end on cylinder boundary.
    /dev/hdc2 4096002 4608001 256000 82 Linux swap / Solaris
    Partition 2 does not end on cylinder boundary.
    /dev/hdc3 4608002 3907008687 1951200343 5 Extended
    /dev/hdc5 4608003 625105585 310248791+ 8e Linux LVM
    /dev/hdc6 625105587 976736302 175815358 8e Linux LVM
    /dev/hdc7 976736304 3906975919 1465119808 8e Linux LVM

    Disk /dev/hde: 2000.3 GB, 2000388448256 bytes
    255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Disk identifier: 0x00000000
  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    Backup your data, update to 4.1.7 or later and do a factory default (wipes all data, settings, everything). It should resolve your performance issue.

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