On Mon, Apr 13, 2015 at 10:02:15PM -0400, Nico Kadel-Garcia wrote:
>
> Been there, done that. Don't have to make this stuff up, I spent some
> time *designing* Linux based storage servers, but it was more than 5
> years ago.
>
Yes, much has changed in 5 years. Some improvements. Bootable RAID1 o
On Tue, Apr 14, 2015 at 12:29:41PM +0300, Vladimir Mosgalin wrote:
>
> ... (e.g. 100 TB endurance of normal SSD vs 20 PB endurance of enterprise SSD)
>
These are numbers from vendors. Data on actual performance as seen by end users
is much harder to come by.
For HDDs, we have periodic reports fr
On Tue, Apr 14, 2015 at 12:55:14PM +0200, David Sommerseth wrote:
>
> What I've not seen discussed here is the purpose of using RAID1. I
> guess it is related to avoid data loss in case one drive dies. The
> other thing I'm guessing is that SSD is wanted due to the performance.
>
Correcto. SSD
On Tue, Apr 14, 2015 at 06:39:52PM +0300, Vladimir Mosgalin wrote:
>
> > Considering that the RAID technology is old which was designed for
> > rotating media, maybe that isn't the the best solution for SSD?
>
With SSD, there is still possibility of single-disk failure (SSD bricks itself).
When
Hi David Sommerseth!
On 2015.04.14 at 12:55:14 +0200, David Sommerseth wrote next:
> Considering that the RAID technology is old which was designed for
> rotating media, maybe that isn't the the best solution for SSD?
> I'm wondering ... maybe another (possibly better?) approach would be
> dm-ca
Thank you Konstantin and Mark,
I am using the nVidia driver not the one in the repo although I have
tried both.
The monitors all run at 1920x1080 with hdmi input but they use the hdmi,
dport and dvi outputs of the card. Just because of the cables I had on
hand.
I think the next thing to t
On 11/04/15 02:21, ToddAndMargo wrote:
> Hi All,
>
> I have a customer interested in high end workstation. She wants RAID 1
> to protect her drives. She is also interested in Solid State Drives.
> (And she knows the difference between RAID and Backup.)
>
> What host controller would you guys reco
>
> From: Nico Kadel-Garcia
>To: Nico Kadel-Garcia ; James M. Pulver
>; "scientific-linux-users@fnal.gov"
>
>Sent: Tuesday, 14 April 2015, 3:02
>Subject: Re: need SSD RAID controller advice
>
>
>On Mon, Apr 13, 2015 at 8:16 PM, Konstantin Olchanski
>
>
>
>
> wro
Hi ToddAndMargo!
On 2015.04.13 at 18:26:49 -0700, ToddAndMargo wrote next:
> -T
>
> Wonder if there are any enterprise level SSD's that don't
> need TRIM?
Tons. All Hitachi SSDs, OCZ Interpid and Saber, all Intel DC series SSDs
(based on Intel controllers) and many more. Though I'm not sure th
