[mythtv-users] 8T Seagate Archive: my experience

jedi jedi at mishnet.org
Mon Jul 20 19:26:50 UTC 2015


On Mon, Jul 20, 2015 at 08:30:16PM +0200, Warpme wrote:
> On 20/07/15 11:04, Stuart Auchterlonie wrote:
> >On 11/07/15 12:03, Doug Lytle wrote:
> >>Warpme wrote:
> >>>Summarizing: for me this drive is simple unfinished product and I
> >>>STRONGLY suggest NOT buying this model.
> >>The link that I found for SMR and Linux would indicate that it's still
> >>being worked out on how to handle them:
> >>
> >>https://lwn.net/Articles/637035/
> >>
> >I have to say I quite like Dave Chinner's analysis of what needs to
> >be done to XFS to support SMR devices
> >
> >https://lwn.net/Articles/637148/
> >
> >
> >Cheers
> >Stuart
> >
> >
> >
> oh this is for HA/HM drives I think.
> 
> For DM type from Seagate battle seems to be lost:
> http://article.gmane.org/gmane.linux.ide/59715

   I have started giving up on them simply due to quality. They just became 
too bothersome. They were failing too often and too soon. It was destroying
their apparent price advantage. Finally Seagate became too intolerable
once I got to the point where I could no long babysit my hardware. Once I
had to consider my machines reliably going on without me, Seagate was out.

   Even from just the performance spces, the Seagate archive drives never 
seemed good enough for bulk archival storage.

> 
> It looks like Seagate isn't interested much in Linux user base (sad)
> and didn't see negative impact on it's image by non-usability this
> model under Linux (strange!).
> I looked little over kernel code and I think fix in kernel to
> tolerate 1-3min of SATA freezes will be not easy task (multiple
> layers had cascade of timeouts so increasing SATA timeout needs
> touching also DMA/FS/kernel process timeouts).
> 
> Seagate is not willing to mod drive firmware to make this drive
> usable under Linux 4.x+

[deletia]


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