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From: Wols Lists <antlists@youngman.org.uk>
To: John Stoffel <john@stoffel.org>,
	Dallas Clement <dallas.a.clement@gmail.com>
Cc: Linux-RAID <linux-raid@vger.kernel.org>
Subject: Re: best base / worst case RAID 5,6 write speeds
Date: Thu, 10 Dec 2015 22:23:29 +0000	[thread overview]
Message-ID: <5669FB61.3020207@youngman.org.uk> (raw)
In-Reply-To: <22121.53825.857640.201383@quad.stoffel.home>

On 10/12/15 19:28, John Stoffel wrote:
> At this point, you need to now look at your controllers and
> motherboard and how they're configured.  If all those drives are on
> one controller, and if that controller is on a single lane of PCIe,
> then you will see controller bandwidth issues as well.

Very out of date ... we're talking the days of CD writers here ... but
we used a pc to write bulk CDs, and we found we simply had to buy add-in
IDE cards to get decent performance - two CD drives on the same PATA
cable and response went through the floor - massively so.

Cheers,
Wol

  reply	other threads:[~2015-12-10 22:23 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-10  1:34 best base / worst case RAID 5,6 write speeds Dallas Clement
2015-12-10  6:36 ` Alexander Afonyashin
2015-12-10 14:38   ` Dallas Clement
2015-12-10 15:14 ` John Stoffel
2015-12-10 18:40   ` Dallas Clement
     [not found]     ` <CAK2H+ed+fe5Wr0B=h5AzK5_=ougQtW_6cJcUG_S_cg+WfzDb=Q@mail.gmail.com>
2015-12-10 19:26       ` Dallas Clement
2015-12-10 19:33         ` John Stoffel
2015-12-10 22:19           ` Wols Lists
2015-12-10 19:28     ` John Stoffel
2015-12-10 22:23       ` Wols Lists [this message]
2015-12-10 20:06 ` Phil Turmel
2015-12-10 20:09   ` Dallas Clement
2015-12-10 20:29     ` Phil Turmel
2015-12-10 21:14       ` Dallas Clement
2015-12-10 21:32         ` Phil Turmel
     [not found]     ` <CAK2H+ednN7dCGzcOt8TxgNdhdDA1mN6Xr5P8vQ+Y=-uRoxRksw@mail.gmail.com>
2015-12-11  0:02       ` Dallas Clement
     [not found]         ` <CAK2H+efF2dM1BsM7kzfTxMdQEHvbWRaVe7zJLTGcPZzafn2M6A@mail.gmail.com>
2015-12-11  0:41           ` Dallas Clement
2015-12-11  1:19             ` Dallas Clement
     [not found]               ` <CAK2H+ec-zMbhxoFyHXLkdM-z-9cYYzNbPFhn19XjTHqrOMDZKQ@mail.gmail.com>
2015-12-11 15:44                 ` Dallas Clement
2015-12-11 16:32                   ` John Stoffel
2015-12-11 16:47                     ` Dallas Clement
2015-12-11 19:34                       ` John Stoffel
2015-12-11 21:24                         ` Dallas Clement
2015-12-11 23:30                           ` Dallas Clement
2015-12-12  0:00                             ` Dallas Clement
2015-12-12  0:38                               ` Phil Turmel
2015-12-12  2:55                                 ` Dallas Clement
2015-12-12  4:47                                   ` Phil Turmel
2015-12-14 20:14                                     ` Dallas Clement
     [not found]                                       ` <CAK2H+edazVORrVovWDeTA8DmqUL+5HRH-AcRwg8KkMas=o+Cog@mail.gmail.com>
2015-12-14 20:55                                         ` Dallas Clement
     [not found]                                           ` <CAK2H+ed-3Z8SR20t8rpt3Fb48c3X2Jft=qZoiY9emC2nQww1xQ@mail.gmail.com>
2015-12-14 21:20                                             ` Dallas Clement
2015-12-14 22:05                                               ` Dallas Clement
2015-12-14 22:31                                                 ` Tommy Apel
     [not found]                                                 ` <CAK2H+ecMvDLdYLhMtMQbP7Ygw-VohG7LGZ2n7H+LAXQ1waJK3A@mail.gmail.com>
2015-12-14 23:25                                                   ` Dallas Clement
2015-12-15  2:36                                                     ` Dallas Clement
2015-12-15 13:53                                                       ` Phil Turmel
2015-12-15 14:09                                                       ` Robert Kierski
2015-12-15 15:14                                                       ` John Stoffel
2015-12-15 17:30                                                         ` Dallas Clement
2015-12-15 19:22                                                           ` Phil Turmel
2015-12-15 19:44                                                             ` Dallas Clement
2015-12-15 19:52                                                               ` Phil Turmel
2015-12-15 21:54                                                           ` John Stoffel
2015-12-15 23:07                                                             ` Dallas Clement
2015-12-16 15:31                                                               ` Dallas Clement
     [not found]                                                                 ` <CAK2H+eeD2k4yzuvL4uF_qKycp6A=XPe8pVF_J-7Agi8Ze89PPQ@mail.gmail.com>
2015-12-17  5:57                                                                   ` Dallas Clement
2015-12-17 13:41                                                                   ` Phil Turmel
2015-12-17 21:08                                                                     ` Dallas Clement
2015-12-17 22:40                                                                       ` Phil Turmel
2015-12-17 23:28                                                                         ` Dallas Clement
2015-12-18  0:54                                                                           ` Dallas Clement
     [not found]                                                                             ` <CAFx4rwT8xgwZ0OWaLLsZvhMskiwmY54MzHgnnEPaswByeRrXxQ@mail.gmail.com>
2015-12-22  6:15                                                                               ` Doug Dumitru
2015-12-22 14:34                                                                                 ` Robert Kierski
2015-12-22 16:48                                                                                 ` Dallas Clement
2015-12-22 18:33                                                                                   ` Doug Dumitru
2016-01-04 18:56                                                                                     ` Robert Kierski
2016-01-04 19:13                                                                                       ` Doug Dumitru
2016-01-04 19:33                                                                                         ` Robert Kierski
2016-01-04 19:43                                                                                           ` Doug Dumitru
2016-01-15 16:53                                                                                             ` Robert Kierski

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