[ale] Did WD15EARX consume my weekend?

PairOfTwins PairOfTwins at mindspring.com
Mon May 14 19:25:03 EDT 2012 

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
>     _______________________________________________
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>     Ale at ale.org <mailto:Ale at ale.org>
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>
>
>
>
> -- 
> -- 
> 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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