I have two SATA drives, I have a partition on each combined as RAID-1 on
which I use LVM to create my important partitions (/usr, /var, /home
etc). I have another pair of partitions combined as RAID-0 on which I
have another LVM group containing less important partitions, where speed
and space matt
Neil Bothwick wrote:
> LVM stripes data
> across the drives anyway, am I gaining anything from the RAID-0? Would I
> be just as well off by adding the two partitions directly to the LVM
> group?
>
>
>
Hi, Neil
I have to admit I've never made such tests and I'm guessing here but I
would say th
Hello Daniel Iliev,
> Actually I'd be glad to read some results from a "Fake RAID-0 vs LVM"
> tests. My bet would be that RAID-0 w/o LVM would give the best speeds
Omitting LVM isn't an option, I'd lose all the flexibility that LVM
offers. I don't see why RAID-0 should be necessarily more efficie
Neil Bothwick wrote:
> Hello Daniel Iliev,
>
>
>> Actually I'd be glad to read some results from a "Fake RAID-0 vs LVM"
>> tests. My bet would be that RAID-0 w/o LVM would give the best speeds
>>
>
> Omitting LVM isn't an option, I'd lose all the flexibility that LVM
> offers. I don't see w
On Thu, 05 Apr 2007 17:39:06 +0300, Daniel Iliev wrote:
> Out of curiosity I made some tests which confirmed my expectations. What
> about you - did you have time (and wish) to take some performance
> benchmarks? I would be glad to see some additional results.
So your tests show that RAID-0 is fa
Neil Bothwick wrote:
> On Thu, 05 Apr 2007 17:39:06 +0300, Daniel Iliev wrote:
>
>
>> Out of curiosity I made some tests which confirmed my expectations. What
>> about you - did you have time (and wish) to take some performance
>> benchmarks? I would be glad to see some additional results.
>>
Daniel Iliev wrote:
> Neil Bothwick wrote:
>
>> On Thu, 05 Apr 2007 17:39:06 +0300, Daniel Iliev wrote:
>>
>>
>>
>>> Out of curiosity I made some tests which confirmed my expectations. What
>>> about you - did you have time (and wish) to take some performance
>>> benchmarks? I would be g
Hello Daniel Iliev,
> Here we go. I think the results can't be interpreted unambiguously.
> Perhaps I'll use a benchmarking program in the weekend to get clearer
> results.
I've found time to move things off the RAID to I can compare with freshly
formatted filesystems. LVM on top of RAID-0 is sub
I think you need to try running a real benchmark like bonnie++ against both.
For example, you run "time dd" but you don't include the "sync" in the
time...
Daniel Iliev wrote:
Neil Bothwick wrote:
Hello Daniel Iliev,
Actually I'd be glad to read some results from a "Fake RAID-0
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