[TriLUG] 512/4096B cluster size incompatibilities

[William Sutton via TriLUG]

I can't offhand... but I had a similar problem some years ago with a 
Windows formatted Toshiba double drive enclosure (Windows saw the entire 
thing as one large addressable drive; when I tried to format them for 
Linux, nothing worked).

best of luck.

William Sutton

On Sat, 5 Jan 2019, Joseph Mack NA3T via TriLUG wrote:

> On Tue, 1 Jan 2019, David Burton wrote:
>
>>> after swapping slots in the external enclosure
>
> .
> .
>
>> *Whoa!  This is the drive that WAS looking good; after swapping it to the
>> other slot it now shows WRONG sector size and WRONG firmware!*
>
>
> .
> .
>
>> *This is the drive that WAS goofed up; now it's fine!*
>
>
> .
> .
>
>>
>> *No!  The problem is with the external enclosure slot.  The drives are both
>> fine!*
>
> Well thank you David,
>
> I have
>
> o an eSATA single slot external enclosure (my control enclosure)
>
> o a usb/eSATA external dual slot external enclosure (the one where I noticed 
> the problem).
>
> Between the two enclosures, I have three slots to put a drive in.
>
> I have two identical 2TB model Seagate drives, bought the same time, type 
> ST2000DM001-1ER164
>
> In one of the usb/eSATA external slots (same result whether connecting 
> through 
> usb or eSATA), either drive is seen as
>
> o 512/512 logical/physical
>
> o firmware version 0958
>
> o is not properly detected by smartctl
>
> o fdisk partitions it as 512B sectors
>
>
>
> In the other slot in the dual slot external usb enclosure and in the eSATA 
> single slot external enclosure, either drive is
>
> o 512/4096 logical/physical
>
> o firmware version CC26
>
> o properly detected by smartcle
>
> o fdisk partitions it as 4096B sectors
>
> So it is the enclosure. David picked that I didn't do the swap right. Thanks 
> for your diligence there David.
>
> I'm now surprised that Vantec, the enclosure manufacturer hasn't noticed 
> this. 
> They've been producing external drives for at least a decade.
>
> Under Win7 neither drive is detected through the eSATA port, whereas Linux 
> detects both drives.
>
> Steven suggested that I look at the SeaTools by Seagate. The tools scanned 
> for 
> usb drives, but didn't detect them, even though Win7 sees them in the disk 
> management window. From my only other time using them, I wasn't too 
> surprised. I 
> wasn't encouraged enough to try the fast format software.
>
> I'm surprised that one disk will be formatted with 512B sectors in one slot 
> and 
> as 4096 sectors in another slot. I has assumed that the sector size is 
> hardware 
> dependant.
>
> Thanks David for your continuing efforts here.
>
> Can anyone recommend a dual slot external usb/eSATA enclosure?
>
> Joe
>
>
> -- 
> Joseph Mack NA3T EME(B,D), FM05lw North Carolina
> jmack (at) wm7d (dot) net - azimuthal equidistant
> map generator at http://www.wm7d.net/azproj.shtml
> Homepage http://www.austintek.com/ It's GNU/Linux!
> -- 
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