[mythtv-users] Hard drive speed?

brendan kearney bpk678 at gmail.com
Fri Nov 18 19:37:46 UTC 2016


Anyone using zfs/btrfs and an ssd as a write-back cache to front the disk
array?  ZFS calls it L2 ARC while btrfs requires bcache.  LVM can also do
write-back caching in front of spinning disks.

On Nov 18, 2016 11:07 AM, "Andre Newman MythTV" <mythtv-list at dinkum.org.uk>
wrote:

>
> > On 18 Nov 2016, at 04:46, Bob <mythtv at cox.net> wrote:
> >
> > My hard drive may be failing, looking into getting a new one. I saw this
> question was asked before, however it was over 10 years (!) ago:
> >
> > http://www.gossamer-threads.com/lists/mythtv/users/163754
> >
> > The advice and thinking may have changed since then. I can get a 5TB
> 7200 RPM drive or a 6TB 5400 RPM ("NAS") hard drive for about the same
> price. Thoughts?
>
> I used to always buy AV grade drives for MythTV, they cope better when
> recording several simultaneous HD channels. WD AV-GP Hitachi Cinema,
> Seagate Pipeline. I had a couple of WD AV-GP 3TB drives fail and I replaced
> them with a single 4TB HGST NAS drive and it seemed to work fine, no
> dropouts during multiple recordings to the same drive.
>
> There’s certainly no point in getting a faster speed drive, it’s noisier,
> draws more current and the additional rotational speed (7200) is worthless
> to MythTV. Modern NAS graded drives seem to be well suited to media
> systems, I have several WD Red 4TB,6TB & 8TB, HGST 3TB,4TB &6TB NAS drives
> and they all seem to be good.
>
> The NAS drives I have seem to handle loads of simultaneous recordings
> without issue, before I discovered the AV drives I was always tinkering
> trying to get things running smoothly and the NAS drives seem as trouble
> free as the AV drives.
>
> Andre
>
>
> >
> >
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://lists.mythtv.org/mailman/listinfo/mythtv-users
> > http://wiki.mythtv.org/Mailing_List_etiquette
> > MythTV Forums: https://forum.mythtv.org
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums: https://forum.mythtv.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20161118/f6328be7/attachment.html>


More information about the mythtv-users mailing list