| Seagate hybrid HD crashes in a MDD [message #317206] |
Sat, 30 April 2016 13:11  |
Jörg Duurkoop
Messages: 47
Registered: November 2012
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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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| Re: Seagate hybrid HD crashes in a MDD [message #317217 is a reply to message #317206] |
Sat, 30 April 2016 15:57  |
Bruce Johnson
Messages: 319
Registered: August 2012
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> On Apr 30, 2016, at 10:11 AM, Jörg Duurkoop <yawgie@gmail.com> 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 <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.
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Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group
Institutions do not have opinions, merely customs
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| Re: Seagate hybrid HD crashes in a MDD [message #317218 is a reply to message #317217] |
Sat, 30 April 2016 16:20 |
Mike K.
Messages: 19
Registered: March 2016
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* Bruce Johnson wrote on 2016-04-30 20:57 +0100:
> 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.
I'm using one of them (500GB with 8GB SSD) in MBP, and Bruce is right:
the 8GB is invisible to the system and managed by the drive itself. It
should show up as a single, 2TB drive no different from a regular 2TB
drive which doesn't have the extra SSD cache. I've been using it for
about five years now without any issues.
> 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 would be my next step in this case too. Even if it does somehow
pass SMART, I'd still pester Seagate to get a replacement drive anyway;
if it's experiencing problems this early on, it's not going to be a
reliable drive in the medium/long term.
--
Mike | <http://koralatov.com>
* 15" `Penryn' MacBook Pro 2.66 * 27" `Nehalem' iMac 2.66 *
* 20" iMac G4 * `Key Lime' iBook G3 466 * G4 Cube 500 *
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| Re: Seagate hybrid HD crashes in a MDD [message #317244 is a reply to message #317217] |
Sun, 01 May 2016 08:29 |
Jörg Duurkoop
Messages: 47
Registered: November 2012
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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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