Storage of hybrid matrices 3 with Betclic

I have 2 6500ES and 1 6100XS used by 8 ESX hosts approximately 130 virtual machines running.  Performance is important, but I migrated just my MD3000i data on the 6500's, so I already see an improvement... the SSD is impressive.  :)

I have 3 questions

1.) can I do 1 pool or 2?  I currently have them in 2 pools, however, I wonder if just do 1 pool and let the faders EQL to load all the work assumes that do it for me... I don't want to have to check the use of the e/s between the basins as I went and manually or using DRS storage so I don't have to. E/s of store DRS requires turning on storage i/o control, which is not recommended according to practice Documentation best EqualLogic VMWare - I'm guessing that because it could hinder the decisions of swing for the loading of the SAN.

I think I read that best practices says 2 pools, but I don't know if it takes 3 hybrids account.

With the exception of the virtual machine our data are pretty ephemeral. Receive us a small amount of data, create a large amount of data, duplicate, save it, deliver, then he sits for a period of time before being archived and purged.

(2.) I think higher than the latency of reading expected when Ops ARE on the 6500 / s fall below 500 Kbps.  It of not crazy high, but revolves around the range 8ms.  I disabled delayed ACK, who brought 12-15 latency time, and want to disable TCP offloading the next maintenance window.  But, is this normal?  My 6100 remains generally less than 2ms read and write

Updates to the firmware 3) -is it safe to do in activity? Or I really need to stop all my ESX hosts before you do?  The documentation says to do when there is low usage... Does this mean that status at the HQ of SAN said low? or what is considered to be low? Is the same applies to the hard drive firmware updates?

Thanks in advance!
David

Re: 1. I suggest that keep you in the two pools.  Only because of the difference in size between the 6500's and 6100 s.   You could go to 3 swimming pools, but they run you the risk of having to move virtual machines to balance IO.

Re: 2. I'll try also turn off RSO, great Recieve Offload.

Re: 3 upgrades.  E/s low means when the table is not widely used.  So yes, a low e/s of SANHQ reading would show that.  If your company is not active 24 x 7, so it's normal after hours time span weekend.   Most important is giving the login_timeout 60 ESXi servers and by setting the disktimeout value to 60 in virtual machines.  With the recent firmware the time required to failover and early response is usually less than 30 seconds.  But not always, one may be closer to 60 seconds under load.  It is also essential to ensure that the switch ports happen immediately on the transition.  (AKA portfast)   This way when the CM goes down, the ports are online immediately.    In addition, to be able to handle a FW update also means you can manage a CM failover on a HW problem.

Disc FW updates.   Yes.  The updates take place one disc at a time.   Then, the player is power rolled, to update the FW.   That time is very fast, and single e/s to this player is paused, then resumed once the player comes back online.   But again, the best time is low i/o.

In a perfect scenario, yes make upgrades in a window of Maint would be ideal.  At least stop the virtual machines.   In this something unexpected occurred offshore lucky.

Since it is ESXi you run at least 6.0.7 firmware?

Kind regards

Tags: Dell Products

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