[ale] Did WD15EARX consume my weekend?

[James Sumners]

Use GPT for "advanced format" drives. Create your partitions with GPT Fdisk
(gdisk). If it's a boot disk, and your machine uses BIOS, then use a hybrid
boot record.

In regard to the format specifically, my write up on it gets a fair number
of hits -- http://jrfom.com/2010/05/03/4kb-sectors/

On Sunday, May 13, 2012, PairOfTwins 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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-- 
James Sumners
http://james.roomfullofmirrors.com/

"All governments suffer a recurring problem: Power attracts pathological
personalities. It is not that power corrupts but that it is magnetic to the
corruptible. Such people have a tendency to become drunk on violence, a
condition to which they are quickly addicted."

Missionaria Protectiva, Text QIV (decto)
CH:D 59
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