Greg Smith wrote:
On Thu, 26 Jun 2008, Henrik wrote:
I've seen some concerns about buying database performance hardware
from DELL. Are there at least some of the RAID cards that work well
with Linux or should I stay clear of DELL permanently?
People seem to be doing OK if the RAID card is th
On Thu, Jun 26, 2008 at 10:47 PM, Greg Smith <[EMAIL PROTECTED]> wrote:
> On Thu, 26 Jun 2008, Henrik wrote:
>
>> I've seen some concerns about buying database performance hardware from
>> DELL. Are there at least some of the RAID cards that work well with Linux or
>> should I stay clear of DELL pe
On Thu, 26 Jun 2008, Henrik wrote:
I've seen some concerns about buying database performance hardware from DELL.
Are there at least some of the RAID cards that work well with Linux or should
I stay clear of DELL permanently?
People seem to be doing OK if the RAID card is their Perc/6i, which
I've seen some concerns about buying database performance hardware
from DELL. Are there at least some of the RAID cards that work well
with Linux or should I stay clear of DELL permanently?
Thanks!
//Henke
25 jun 2008 kl. 17.45 skrev Greg Smith:
On Wed, 25 Jun 2008, Henrik wrote:
Would y
25 jun 2008 kl. 17.45 skrev Greg Smith:
On Wed, 25 Jun 2008, Henrik wrote:
Would you turn off fsync if you had a controller with BBU? =)
Turning off fsync has some potential to introduce problems even in
that environment, so better not to do that. The issue is that you
might have, say,
On Wed, 25 Jun 2008, Henrik wrote:
Would you turn off fsync if you had a controller with BBU? =)
Turning off fsync has some potential to introduce problems even in that
environment, so better not to do that. The issue is that you might have,
say, 1GB of OS-level cache but 256MB of BBU cache
On Wed, 25 Jun 2008, Henrik wrote:
4 x 146 GB SAS disk in RAID 1+0 for database
6 x 750 GB SATA disks in RAID 1+0 or RAID 5 for OS and transactions logs.
The transaction logs are not that big, and there's very little value to
striping them across even two disks. You should just get more SAS
On Wed, 25 Jun 2008, Henrik wrote:
Would you turn off fsync if you had a controller with BBU? =)
No, certainly not. Fsync is what makes the data move from the volatile OS
cache to the non-volatile disc system. It'll just be a lot quicker on a
controller with a BBU cache, because it won't need
>> If you have a good RAID controller with BBU cache, then there's no point
>> splitting the discs into two sets. You're only creating an opportunity to
>> under-utilise the system. I'd get ten identical discs and put them in a
>> single array, probably RAID 10.
>
> OK, thats good to know. Really w
25 jun 2008 kl. 13.15 skrev Matthew Wakeling:
On Wed, 25 Jun 2008, Henrik wrote:
What are your suggestions. What we are currently looking at is.
Dual Quad Core Intel
8 - 12 GB RAM
More RAM would be helpful. It's not that expensive, compared to the
rest of your system.
True, as long as I
25 jun 2008 kl. 12.56 skrev Claus Guttesen:
We have a database with lots of small simultaneous writes and reads
(millions every day) and are looking at buying a good hardware for
this.
What are your suggestions. What we are currently looking at is.
Dual Quad Core Intel
8 - 12 GB RAM
10 di
On Wed, 25 Jun 2008, Henrik wrote:
What are your suggestions. What we are currently looking at is.
Dual Quad Core Intel
8 - 12 GB RAM
More RAM would be helpful. It's not that expensive, compared to the rest
of your system.
10 disks total.
4 x 146 GB SAS disk in RAID 1+0 for database
6 x 7
> We have a database with lots of small simultaneous writes and reads
> (millions every day) and are looking at buying a good hardware for this.
>
> What are your suggestions. What we are currently looking at is.
>
> Dual Quad Core Intel
> 8 - 12 GB RAM
>
> 10 disks total.
>
> 4 x 146 GB SAS disk i
Hi list,
We have a database with lots of small simultaneous writes and reads
(millions every day) and are looking at buying a good hardware for this.
What are your suggestions. What we are currently looking at is.
Dual Quad Core Intel
8 - 12 GB RAM
10 disks total.
4 x 146 GB SAS disk in R
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