Re: Seagate hybrid HD crashes in a MDD

[Jörg Duurkoop]

Hi Bruce,

Thank you.

Op zaterdag 30 april 2016 21:57:37 UTC+2 schreef 
joh...@pharmacy.arizona.edu:
>
>
> > Does Disk utility show any SMART errors? I suspect it may be a flaky 
> drive. You can also get a utility like this <
> https://www.volitans-software.com/apps/smart-utility/> which will give 
> you better info than Disk Utility which simply tells you ‘errors have 
> occured' 
>
> That said I don’t have any experience with those drives on Macs, let alone 
> PPC macs…We’ve gotten them in a number of newer PC’s at work and haven’t 
> had issues.
>

I tried the latest SMART Utility you pointed me to but it won't start. I 
found an earlier version 2.0.0 in my app folder, a demo that still worked. 
It declared my WD 1TB green "Failing" because it has 6 reallocated bad 
blocks but declared my Seagate hybrid as fine.

As the WD is working flawlessly ever since one crash I guess I'll wait and 
see, I have a 5-year warranty and use CCC on a weekly basis. The shop where 
I bought the Seagate tests all RMAs on a PC and if they still work refuse 
to accept the warranty claim.

Everything's working fine now, keep my fingers crossed ...

Regards, Jörg.

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Re: Seagate hybrid HD crashes in a MDD

[Bruce Johnson]

> On Apr 30, 2016, at 10:11 AM, Jörg Duurkoop  wrote:
> 
> ut I experienced three crashes in three days after the purchase. The crash 
> happened always with three apps running, TenFourFox with about twelve 
> windows/tabs open, Vuze downloading a movie and watching a low-res video in 
> QuickTime.
> 
> I always keep two recent CCC-clones so I always can boot my Mac but I wonder 
> what causes these crashes - the only thing that moves is the beachball. One 
> time I could still open the force quit window but it wouldn't work anyway. 
> Could it be there are some issues Tiger has with hybrid disks or SSD? I like 
> the drive, it's fast, not expensive (97 €) and comes with a five year 
> warranty.

I don’t think that the Mac sees the ‘hybrid’ part of those disks; it just sees 
it as a SATA drive, the ssd part is managed by the on-board electronics. 

Does Disk utility show any SMART errors? I suspect it may be a flaky drive. You 
can also get a utility like this 
 which will give you 
better info than Disk Utility which simply tells you ‘errors have occured'

That said I don’t have any experience with those drives on Macs, let alone PPC 
macs…We’ve gotten them in a number of newer PC’s at work and haven’t had issues.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs

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Seagate hybrid HD crashes in a MDD

[Jörg Duurkoop]

Hi,

I own one of the last MDDs, a 1.25GHz dual processor machine. My system is 
10.4.11. Since my normal bootdisk, a WD 1TB SATA developed some bad blocks 
I bought a new harddisk to boot from, a Seagate SSHD ST2000DX001 2TB, a 
hybrid with 8GB of SSD memory.

It's placed alongside my old WD in the ATA 100 cage, both HDs are connected 
via SATA to ATA adapters. It is a little faster than my WD green and adapts 
"intelligently" to the user. My first startup took much longer than the 
second and the disk booted even faster the third time.

But I experienced three crashes in three days after the purchase. The crash 
happened always with three apps running, TenFourFox with about twelve 
windows/tabs open, Vuze downloading a movie and watching a low-res video in 
QuickTime.

I always keep two recent CCC-clones so I always can boot my Mac but I 
wonder what causes these crashes - the only thing that moves is the 
beachball. One time I could still open the force quit window but it 
wouldn't work anyway. Could it be there are some issues Tiger has with 
hybrid disks or SSD? I like the drive, it's fast, not expensive (97 €) and 
comes with a five year warranty.

Thanks for any comments,

Jörg.


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