Re: Incorrect "Used Storage" reported - ESX 5.5
Hi, Yes it is very disappointing... Also I forgot to put in my post that the engineering team have given a provisional date (Although not in writing...) of October being the fix date!
View ArticleRe: Change in the IOPS limit calculation between 5.1 and 5.5
Hi Kydo201110141, Have you had any luck finding a solution for this issue other than disabling the limits? I have a customer who now has the exact same issue and it is causing them quite a lot of...
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Correctly deleting a datastore to avoid an APD
I would like to make sure I have this correct---having had to fix an APD before from someone else 1. Delete the datastore in vCenter2. Refresh host storage---not needed I guess, but I guess verifies...
View ArticleRe: Correctly deleting a datastore to avoid an APD
Check out Cormac Hogan's Best Practice: How to correctly remove a LUN from an ESX host | VMware vSphere Blog - VMware Blogs for the procedures for ESX/i 4 and ESXi 5.
View ArticleRe: Correctly deleting a datastore to avoid an APD
I have tried a detach operation before, and the datastore always appeared back a short time later. Maybe the 5min poll my the hbas seemed to do for new devices? Anyway, this article seems to be if you...
View ArticleCore Storage Survey - Request feedback
Hello,We, in storage product management team, have created a brief survey for our customers to provide inputs on core storage items. Appreciate if you can take couple of minutes and provide us your...
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Re: Change in the IOPS limit calculation between 5.1 and 5.5
Hi Steve, atm, no solution But I opened a case with the support and we are investgating this issue... I'll let you know about the progression of this issue... Regards, Vincent.
View ArticleRe: Correctly deleting a datastore to avoid an APD
Looking through my notes when I had tried that before, I see that if I did an "esxcli storage core device detached list" the device would still show in the OFF state. Even after being removed from the...
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Re: HP VSA 11.0 (2014) - Bad storage performance
Did some tests, but was not able to generate the latencies.So probably it's a complete different issue.However, I was able to verify that the throughput increases notably if I prevent network raid sync...
View ArticleALUA Configuration
Hello, I have 2 host, one running ESXi 5.1 and ther other ESXi 5.5. I have one host connected to the SAN using ALUA and the other using LSI. The host running 5.5 constantly drops connections to the...
View ArticleRe: HP VSA 11.0 (2014) - Bad storage performance
thank you for sharing this info. how come your first host has a queue depth of 32 for "naa...0070" while the second host has a queue depth of 128 for the same device? are these screenshots with...
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Re: HP VSA 11.0 (2014) - Bad storage performance
queue depth of 32 - good question, will investigate. Network RAID was on as screenshot was made.
View ArticleRe: ALUA Configuration
What storage are you using?What is the Storage Array Type set to for the SAN LUNs on each of the hosts?What about the Path Selection Policy?
View ArticleRe: ALUA Configuration
What storage are you using? -- An IBM DS3524 - DS3500 series.What is the Storage Array Type set to for the SAN LUNs on each of the hosts? -- One host is using VMWARE and the other is using...
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Re: HP VSA 11.0 (2014) - Bad storage performance
I just addded another RAID-1 to my physical RAID adapter so that I can test without VSA in the picture. However, the new datastore also shows a queue depth of 32.
View ArticleRe: HP VSA 11.0 (2014) - Bad storage performance
without the VSA, just VMware to Dell PERC Local Datastore, I get throughput between 70 and 232 MBps. VSA normally was around 50 to 100 MBps.
View ArticleRe: ALUA Configuration
You are referring to the host type set on the DS3524 and not to Storage Array Type configured on the ESXi hosts (you can see this in the same place you set the Path Selection Policy). From ESXi 5.0 U1...
View ArticleSafest way to delete storage
I caught a thread several days ago but I want to start a new one. What is the safest way to delete a datastore? Poster said he deletes the lun from VCenter. A responder to the post explained how VMware...
View ArticleRe: Safest way to delete storage
Welcome to the Community, both approaches will work. However, since unmounting a datastore has to be done on each host individually, I'd suggest you simply delete the datastores, rescan the hosts...
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Re: Safest way to delete storage
Thank you for the welcome. Lots of knowledge here, I should have used this many times before I reached for a manual An additional question, is when I have added a datastore in the past, I have...
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