View Poll Results: hardware SAN v SAS SANity v SSD SANity
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8TB hardware SAN (7200rpm SAS-II + Cachecade)
13 38.24% -
9.6TB OnApp Storage/SANity (10K or 15K SAS-II)
3 8.82% -
7.68TB OnApp Storage/SANity (pure 6G/s SSD)
18 52.94%
Results 201 to 213 of 213
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04-16-2013, 09:02 PM #201Aspiring Evangelist
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04-18-2013, 02:05 PM #202Junior Guru Wannabe
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Some questions about OnApp storage (not interested in the cloud component as we're not a host):
Let's say we have two ESXi hosts connected into a 10GbE storage network.
Right now we're running HP P4000 with a HP Microserver handling quorum.
Could we run OnApp on both physical hosts and survive a host failing with the data/storage cluster remaining available like it does with the P4000 (all volumes are using Network RAID 10)?
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04-18-2013, 04:03 PM #203WHT Addict
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04-18-2013, 04:10 PM #204Web Hosting Evangelist
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Correct, OnApp Sanity only works with XEN hosts. Out of interest why would you be looking to ditch the P4000?
Agreed there is a quorum requirement, in your case a Fail Over Manager in a 2 node cluster, but you really don't want to be in a split brain situation as far as storage is concerned.
I haven't looked that far into how OnApp handles the quorum but without a third vote of some kind I guess this could be a very dangerous setup.█ www.VMhosts.co.uk - "Cloud hosting within reach"
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04-18-2013, 04:16 PM #205Junior Guru Wannabe
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Right now we have the hardware product and we lease and the lease is expiring.
It does nothing wrong so buying more P4000 is an option, but the lease refresh is the time to look at alternatives.
If I stick with P4000 we'll go the VSA route though - couple of ML350's full of 3TB SAS in RAID10 and 600GB or so of SSD as SmartCache hanging off the SmartArray should perform quite nicely I'd hope.
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04-18-2013, 04:20 PM #206Web Hosting Evangelist
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We like the P4000 because its Solid. You really have to go out of your way to break it. No offence to OnApp, im sure their product is good and I love the way it has built in intelligence regarding the placement of VM's so reads can be performed from the local host but its just a bit too new for us.
SSD auto tiering is brilliant, works very well with P4000 VSA's, if you go with IBM or Dell hardware you can actually get "supported" LSI raid cards which include CacheCade.
You can put LSI cards in HP servers but support can be a pain with HP.
Disadvantages of the HP P4000 VSA, no jumbo frames, no network flow control, no NIC teaming so you really want a 10Gb network█ www.VMhosts.co.uk - "Cloud hosting within reach"
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04-18-2013, 04:26 PM #207Junior Guru Wannabe
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Agreed the P4000 is solid - we have ours doing metro cluster and I can vMotion my guests out of one location, take out that entire room and the storage keeps running off the other site - it's mental
HP SmartCache is HP's equivalent of CacheCade, not sure who OEM's the card but it's not me buying an LSI card and rolling my own so since it's HP end to end support shouldn't be an issue.
You're right about going 10GbE on the storage network and we'll be doing that - I want the storage to be the bottleneck not the LAN
I've spent a lot of time exploring storage options and I've come to the conclusion that the best/right option is going "Storage as software" because to my mind I'm buying the hosts anyway, I'm buying the drives anyway, so if I can spend money just on storage software and run it within a VM I'm in a much better position in a years time if some new product comes along and I want to migrate to it - can't do that with $100k investment in Netapp/EMC sat in a rack...
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04-18-2013, 04:31 PM #208Web Hosting Evangelist
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Hadn't come across HP's SmartCache - probably LSI cachecade I guess. Thank you for bring that too my attention, we have a lot of HP customers who have been missing out on their local environments
We had someone tell us the P4000 was old the other day, but run it on top of some SSD's and it zooms along.
HP certainly think its a future
http://h30507.www3.hp.com/t5/Around-...ge/ba-p/135321
Also a lot of other vendors heading towards software-defined-storage Its the way forward IMO█ www.VMhosts.co.uk - "Cloud hosting within reach"
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04-19-2013, 10:18 AM #209Junior Guru Wannabe
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Confirmed that the storage component won't (currently) work with vSphere.
I'd be interested to hear from anyone else who's doing synchronous replication over ethernet using something that isn't P4000 or that isn't a roll-your-own solution.
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04-23-2013, 09:02 AM #210Junior Guru Wannabe
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Anyone running Onapp storage successfully? If so, what hardware/network setup you have?
We have not been able to get it working.
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04-23-2013, 03:24 PM #211Aspiring Evangelist
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I keep asking that same question over and over, no luck so far!
What type of issues are you having? I've been working with support since release day to get OnApp Storage working. We are making progress but its been a tough battle. Feel free to post your issues or PM me with your issues. Chances are, I've gone through the same issue at some point.
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04-24-2013, 08:56 AM #212Web Hosting Master
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I was told several hosts have it up and running as their primary storage and it is working. Not sure who that is, but they say it is. In our tests so far the machines cloud boot, but our dual port 10Gbe NICs are not seen and the single port 10Gbe NICs do not pass traffic on the switch so they think it is a driver issue in their cloud boot.
Last edited by kris1351; 04-24-2013 at 09:02 AM. Reason: WHT has a problem with the word cloud-boot without the hyphen
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04-24-2013, 05:59 PM #213Aspiring Evangelist
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Have you tried the KVM PXE image? They have admitted to issues with the XEN cloud-boot image.
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