[ale] Did WD15EARX consume my weekend?

jim jimbakerforlinux at comcast.net
Mon May 14 19:41:29 EDT 2012 

On 05/14/2012 07:25 PM, PairOfTwins wrote:
> Jim:
>
> Yup, it fails to copy large files accurately, though it takes a few
> seconds to conclude that the original and the copy differ, using cmp and
> diff.
>
> root at PartedMagic:/media/sdb1/iso/Debian# ls -lh
> total 2.2G
> -rw-r--r-- 1 root root  28K Aug 28  2010 Kubuntu\ 10.04.1\ Alternate\
> amd64.torrent
> -rw-r--r-- 1 root root  28K Aug 28  2010 Kubuntu\ 10.04.1\ Desktop\
> i386.torrent
> -rw-r--r-- 1  999  999  38M Aug 28  2010 debian-505-amd64-businesscard.iso
> -rw-r--r-- 1 root root 6.1K Aug 28  2010
> debian-505-amd64-businesscard.iso.torrent
> -rw-r--r-- 1  999  999 132M Aug 28  2010 debian-505-amd64-netinst.iso
> -rw-r--r-- 1 root root  11K Aug 28  2010
> debian-505-amd64-netinst.iso.torrent
> -rw-r--r-- 1  999  999 648M Aug 28  2010 debian-505-amd64-xfce+lxde-CD-1.iso
> -rw-r--r-- 1 root root  26K Aug 28  2010
> debian-505-amd64-xfce+lxde-CD-1.iso.torrent
> -rw-r--r-- 1 root root  26K Aug 28  2010 debian-505-ia64-CD-1.iso.torrent
> -rw-r--r-- 1 root root  26K Aug 28  2010
> debian-505-ia64-kde-CD-1.iso.torrent
> -rw-r--r-- 1  999  999 689M Aug 28  2010 kubuntu-10.04.1-alternate-amd64.iso
> -rw-r--r-- 1  999  999 699M Aug 28  2010 kubuntu-10.04.1-desktop-i386.iso
>
> root at PartedMagic:/media/sdb1/iso/Debian# cmp
> kubuntu-10.04.1-alternate-amd64.iso
> /media/sda5/iso/Debian/kubuntu-10.04.1-alternate-amd64.iso
> kubuntu-10.04.1-alternate-amd64.iso
> /media/sda5/iso/Debian/kubuntu-10.04.1-alternate-amd64.iso differ: char
> 130322440, line 489461
>
> root at PartedMagic:/media/sdb1/iso/Debian# cmp
> kubuntu-10.04.1-desktop-i386.iso
> /media/sda5/iso/Debian/kubuntu-10.04.1-desktop-i386.iso
> kubuntu-10.04.1-desktop-i386.iso
> /media/sda5/iso/Debian/kubuntu-10.04.1-desktop-i386.iso differ: char
> 346914824, line 1287567
>
> root at PartedMagic:/media/sdb1/iso/Debian# cmp
> debian-505-amd64-xfce+lxde-CD-1.iso
> /media/sda5/iso/Debian/debian-505-amd64-xfce+lxde-CD-1.iso
> debian-505-amd64-xfce+lxde-CD-1.iso
> /media/sda5/iso/Debian/debian-505-amd64-xfce+lxde-CD-1.iso differ: char
> 103817224, line 1184532
> root at PartedMagic:/media/sdb1/iso/Debian#
>
> root at PartedMagic:/media/sdb1/iso/Debian# diff
> debian-505-amd64-xfce+lxde-CD-1.iso
> /media/sda5/iso/Debian/debian-505-amd64-xfce+lxde-CD-1.iso
> Files debian-505-amd64-xfce+lxde-CD-1.iso and
> /media/sda5/iso/Debian/debian-505-amd64-xfce+lxde-CD-1.iso differ
>
> root at PartedMagic:/media/sdb1/iso/Debian# diff
> kubuntu-10.04.1-desktop-i386.iso
> /media/sda5/iso/Debian/kubuntu-10.04.1-desktop-i386.iso
> Files kubuntu-10.04.1-desktop-i386.iso and
> /media/sda5/iso/Debian/kubuntu-10.04.1-desktop-i386.iso differ
>
> root at PartedMagic:/media/sdb1/iso/Debian# diff
> kubuntu-10.04.1-alternate-amd64.iso
> /media/sda5/iso/Debian/kubuntu-10.04.1-alternate-amd64.iso
> Files kubuntu-10.04.1-alternate-amd64.iso and
> /media/sda5/iso/Debian/kubuntu-10.04.1-alternate-amd64.iso differ
>
> Now to convince WD that their drive is faulty, I think I'll wipe it
> clean and see if Win7 will complete installation.
>
> Thanks,
> Tom
> =================================================
> On 05/13/2012 10:47 PM, Jim Kinney wrote:
>> That really sounds like a majorly bad drive. Pop it into an external
>> case, format it as a single partition and copy a bunch of large files
>> over to it (.iso's are good) then run a diff. I'd bet the diff fails.
>> I suspect the drive has been dropped and the head is misalligned.
>> Return it ASAP.
>>
>> On Sun, May 13, 2012 at 9:16 PM, PairOfTwins
>> <PairOfTwins at mindspring.com<mailto:PairOfTwins at mindspring.com>>  wrote:
>>
>>      Anyone:
>>
>>      This was home server upgrade weekend, I thought.   Bought a
>>      WD15EARX on
>>      sale, installed Zentyal, and found after an apparently successful
>>      installation, that the partition with the OS on it had pages of
>>      errors,
>>      according to e2fsck.
>>
>>      Next 2 installations failed during "Select and install software" step,
>>      both stable and beta versions, though both CDs passed the iso
>>      verify check.
>>
>>      I had partitioned ahead of time with fdisk and each start sector was
>>      evenly divisible by 8.
>>
>>      Then I installed a freshly verified burn of Ubuntu Server 12.04 using
>>      those same partitions.
>>
>>      When finished the alignment was whacked:
>>
>>      root at PartedMagic:~# fdisk -lu /dev/sda
>>      Disk /dev/sda: 1500.3 GB, 1500301910016 bytes
>>      255 heads, 63 sectors/track, 182401 cylinders, total 2930277168
>>      sectors
>>      Units = sectors of 1 * 512 = 512 bytes
>>      Sector size (logical/physical): 512 bytes / 4096 bytes
>>      I/O size (minimum/optimal): 4096 bytes / 4096 bytes
>>      Disk identifier: 0x000ad2bd
>>         Device Boot      Start         End      Blocks   Id  System
>>      /dev/sda1            2048     2930687     1464320   82  Linux swap
>>      / Solaris
>>      /dev/sda2   *     2930688    31602687    14336000   83  Linux
>>      /dev/sda3        31604734  2930276351  1449335809    5  Extended
>>      Partition 3 does not start on physical sector boundary.
>>      /dev/sda5        31604736    34471935     1433600   83  Linux
>>      /dev/sda6        34473984  2041513983  1003520000   83  Linux
>>      /dev/sda7      2041516032  2930276351   444380160   83  Linux
>>      root at PartedMagic:~#
>>
>>
>>      Plus e2fsck showed a page of errors on the OS partition sda2, whose
>>      alignment looks OK, though I had to force a check, as it thought
>>      it was
>>      clean.
>>
>>      root at PartedMagic:~# e2fsck /dev/sda2
>>      e2fsck 1.42.2 (27-Mar-2012)
>>      UbuntuSvr: clean, 55618/897600 files, 364573/3584000 blocks
>>      root at PartedMagic:~# e2fsck -f /dev/sda2
>>      e2fsck 1.42.2 (27-Mar-2012)
>>      Pass 1: Checking inodes, blocks, and sizes
>>      Pass 2: Checking directory structure
>>      Entry '.' in
>>      /usr/src/linux-headers-3.2.0-23-generic/include/config/usb/whci
>>      (398464)
>>      has an incorrect filetype (was 42, should be 2).
>>      Fix<y>? yes
>>      Entry 'hcd.h' in
>>      /usr/src/linux-headers-3.2.0-23-generic/include/config/usb/whci
>>      (398464)
>>      has an incorrect filetype (was 33, should be 1).
>>      Fix<y>? yes
>>      Entry '.' in ??? (398477) has an incorrect filetype (was 14,
>>      should be 2).
>>      Fix<y>? yes
>>      Entry '..' in ??? (398477) has invalid inode #: 705041315.
>>      Clear<y>? yes
>>      Entry 'elan.h' in ??? (398477) has an incorrect filetype (was 9,
>>      should
>>      be 1).
>>      Fix<y>? yes
>>      Pass 3: Checking directory connectivity
>>      '..' in
>>      /usr/src/linux-headers-3.2.0-23-generic/include/config/usb/ftdi
>>      (398477) is ??? (705041315), should be
>>      /usr/src/linux-headers-3.2.0-23-generic/include/config/usb (398243).
>>      Fix<y>? yes
>>      Error while adjusting inode count on inode 0
>>      Pass 4: Checking reference counts
>>      Inode 398243 ref count is 42, should be 41.  Fix<y>? yes
>>      Pass 5: Checking group summary information
>>
>>      UbuntuSvr: ***** FILE SYSTEM WAS MODIFIED *****
>>      UbuntuSvr: 55618/897600 files (0.2% non-contiguous),
>>      364573/3584000 blocks
>>      root at PartedMagic:~#
>>
>>      BTW the SMART error log is always clean.
>>
>>      I'm tired of googling, and ready for a fresh set of eyes to tell
>>      me what
>>      I'm missing here!
>>
>>      Tom
>>      _______________________________________________
>>      Ale mailing list
>>      Ale at ale.org<mailto:Ale at ale.org>
>>      http://mail.ale.org/mailman/listinfo/ale
>>      See JOBS, ANNOUNCE and SCHOOLS lists at
>>      http://mail.ale.org/mailman/listinfo
>>
>>
>>
>>
>> --
>> --
>> James P. Kinney III
>>
>> As long as the general population is passive, apathetic, diverted to
>> consumerism or hatred of the vulnerable, then the powerful can do as
>> they please, and those who survive will be left to contemplate the
>> outcome.
>> - ////2011 Noam Chomsky
>>
>> http://heretothereideas.blogspot.com/
>> ////
>>
>>
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Have you run memtest lately?

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