I just implemented some powerconnect 6224's and a PS4000XV today actually
and wondering what you're using to monitor read/write performance and just
speed of the array in general ? SANHQ or IOMeter ?

Thanks for the information Steven...those SSD drives must fly.


On Wed, Aug 10, 2011 at 4:31 PM, Steven M. Caesare <[email protected]>wrote:

> He was the lost 6th half-brother.****
>
> ** **
>
> And as an update: it appears that as Enterasys switches and Dell switches
> don’t play nicely together under some circumstances. Taking the Dell
> PowerConnect off their uplinks to the Enterasys S4’s improved thruput on the
> SSD-based EqualLogic’s we are testing by better than 25x …****
>
> ** **
>
> -sc****
>
> ** **
>
> *From:* Doug Hampshire [mailto:[email protected]]
> *Sent:* Tuesday, August 09, 2011 9:42 AM
>
> *To:* NT System Admin Issues
> *Subject:* Re: Dell PowerConnect & iSCSI****
>
> ** **
>
> Isn't germane one of the Jackson 5?****
>
> On Mon, Aug 8, 2011 at 6:08 PM, Steven M. Caesare <[email protected]>
> wrote:****
>
> Gotta give me points for at least trying to make it germane…****
>
>  ****
>
> -sc****
>
>  ****
>
> *From:* Eldridge, Dave [mailto:[email protected]]
> *Sent:* Monday, August 08, 2011 6:06 PM****
>
>
> *To:* NT System Admin Issues****
>
> *Subject:* RE: Dell PowerConnect & iSCSI****
>
>  ****
>
> That’s a stretch there Steve for not being way OT:  J****
>
>  ****
>
> Wow do let us know how it goes. I don’t use power connect switches anymore
> but I have plenty of equallogics.****
>
> Good luck.****
>
>  ****
>
> dave****
>
>  ****
>
> *From:* Steven M. Caesare [mailto:[email protected]]
> *Sent:* Monday, August 08, 2011 3:44 PM
> *To:* NT System Admin Issues
> *Subject:* Dell PowerConnect & iSCSI****
>
>  ****
>
> Just to advise the list:****
>
>  ****
>
> Dell has pulled their 4.x.x.x versions of firmware for their 10Gb
> PowerConnect switches. There are known issues with flow control, and they
> can fail under high load after having been in service for extended periods
> of time.****
>
>  ****
>
> This is particularly triggered in iSCSI environments. In our case it was
> Dell’s own EqualLogic SAN’s that killed them for us. For some time the
> EqualLogic and PowerConnect groups disagreed on which firmware was “good”.
> We finally got them to talk and v3.1.4.16 has their blessing.****
>
>  ****
>
> Of course, the syntax was changed significantly between v3.x.x.x and
> 4.x.x.x, thus if you are already at 4 you cannot export your current
> configuration and re-import on the downgraded v3 chassis. You must manually
> reconfigure.****
>
>  ****
>
> Here’s pulling for a successful downgrade tonight…****
>
>  ****
>
> -sc****
>
>  ****
>
> PS- I claim this is NT related because we have NT boxen mounting iSCSI
> LUN’s via these switches J****
>
>  ****
>
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