Re: Poor Performance on 8Disk Raid 10
Assuming its a 4+4 RAID10 set, the number of IOPS is pretty ok considering a single SATA disk can do 80 IOPS.Just add more and more disks till your satisfied.
View Articlepvscsi with esxi5.1
Hi, reading tha KB about a pvscsi and my doubt is: why don't use it as the default/raccomended controller for all the win VM?
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Re: pvscsi with esxi5.1
Hi,My guess, its because the pvscsi drivers are not integrated by default in windows OS. So if you install a Windows using psvsi , your Guest OS will not be able to see your drive. When microsoft will...
View ArticleRe: pvscsi with esxi5.1
You have reason but also the VMXNET3 drivers are not included by default in windows OS, but VMware strongly reccomands to use this NIC, the reccomandasion is not the same with the PVSCSI controller.
View ArticleRe: pvscsi with esxi5.1
It is exactly the same reason for vmxnet3 drivers and pvscsi. Both are not included by default in windows OS. VMware recommands these both adapters for increased your performances. For more information...
View ArticleDell MD3200i and EqualLogic - iSCSI network config recommendations
Hi I have an existing VMWare vSphere 4.1 infrastructure with 3 hosts and an EqualLogic iSCSI SAN. Each host has 8 pnics of which 2 are dedicated to iSCSI. iSCSI traffic also runs on dedicated...
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WWNN & WWPN
I just need some clarification regarding WWNN and WWPN. From reading, and doing some searches the WWPN is assigned to the physicial port of the HBA, and the WWNN addresses the entire HBA. That being...
View ArticleRe: Monitoring IOPS across multiple ESX hosts in vcenter
I'm not sure if your looking for a native solution however we are using this product now part of Dell, and it's reporting regarding storage metrics are hitting the mark. I guess you can always run it...
View ArticleRe: WWNN & WWPN
The WWNN is the same for both ports. For the Brocade HBA in your example the WWNN is 20:00:8c:7c:ff:30:4b:9e, and the WWPN's (also known as WWN's) are 10:00:8c:7c:ff:30:4b:9e as well as...
View ArticleRe: Broadcom 57712 2x10GbE n'apparait pas en HBA iSCSI
Les licences iSCSI ne sont pas payées sur ces cartes... merci IBM.Problème clos.
View ArticleRe: WWNN & WWPN
@a.p. from your reply do you mean to say that, the WWPN are 10:00:8c:7c:ff:30:4b:9e and 10:00:8c:7c:ff:30:4b:9f and the WWNN is 20:00:8c:7c:ff:30:4b:9e so what is 20:00:8c:7c:ff:30:4b:9f used for?
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Re: WWNN & WWPN
Good point, I guess I have to clean my eye glasses I mostly work with multiple single port HBAs for high availability reasons, and I can currently not answer the question why the first part for your...
View ArticleStorage Clusters with DRS and multi-tiered storage - how best to know when to...
I was reading a best practices document, and in the Storage Cluster section it recommended using the same tier of storage within the storage cluster, same disktype, raid type, etc. I had been...
View ArticleRe: Thin/TBZ disks cannot be opened in multiwriter mode
I had this issue when I was migrating an already existing clustered pair of Linux nodes from one datastore to a new one on a new SAN. I had created a separate folder on my old SAN/datastore where I...
View ArticleArray monitoring
Hello. My apologies in advance if this is not the right place to ask my question. If so, may the moderator please appropriately move the topic. I have an HP Proliant DL-180 G6 running vSphere 5.0 (so...
View ArticleRe: Windows 2003 setup : Cannot find any hard disk drives during installation
Thank you! This helped me as well.
View ArticleRe: Looking for BEST Inexpensive iSCSI storage
Our company have been running open-e and kernsafe iscsi (Data Storage Software for NAS, iSCSI, SAN, FC | Open-E and http://www.kernsafe.com/) for two years, they are perfect, high availability and very...
View ArticleRe: Problem with multi connections on iSCSI Target
You can't share one iSCSI target to multiple clients (servers, esx, xen etc.) except they are running as cluster.
View ArticleRe: Storage Clusters with DRS and multi-tiered storage - how best to know...
Well first and foremost your users will probably complain about the performance... but if they are not you could always look at the vCenter perf charts for storage, dig in to VC Ops or even look at...
View ArticleRe: Problem with multi connections on iSCSI Target
Hi, Of course, you can share the same LUN to multiple host in the same cluster. Did you try to create a new LUN and check if you can add it? Maybe your LUN is corrupted. Did you check any events...
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