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тАО06-08-2011 07:49 AM
тАО06-08-2011 07:49 AM
EVA VDisk Question
Would it be wise to split this 800GB into multiple groups? For example two 400GB VDISKS, or four 200GB VDISKS?
I am wondering if this could help avoid downtime if a VDISK became "corrupt." However, I am not sure if just one VDISK can become corrupt at a time, or if all the VDISKS on a disk group become corrupted at once.
Thanks
Brett
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тАО06-08-2011 05:06 PM
тАО06-08-2011 05:06 PM
Re: EVA VDisk Question
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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тАО06-09-2011 12:11 AM
тАО06-09-2011 12:11 AM
Re: EVA VDisk Question
However, your question suggests multiple servers accessing this disk? If that's the case it's probably wiser to provide a vdisk to each and size accordingly as suggested above. Be easier to manage.
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тАО06-09-2011 02:15 AM
тАО06-09-2011 02:15 AM
Re: EVA VDisk Question
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тАО06-09-2011 02:33 AM
тАО06-09-2011 02:33 AM
Re: EVA VDisk Question
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тАО06-09-2011 03:44 AM
тАО06-09-2011 03:44 AM
Re: EVA VDisk Question
-----
Don't forget to rate the usefulness/quality of *all* responses to (not just this but *all* of) your question(s).
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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тАО06-09-2011 08:20 AM
тАО06-09-2011 08:20 AM
Re: EVA VDisk Question
If you have multiple server, yes it is good to have multiple vdisks for each server.
Again at the same time, in cluster environment you can present the same LUN to different servers as a shared storage.
Never think about the data corruption.
When the Vdisk presented to the server, after that need to create physical volume, logical volume and then file system. So if data corruption happened that should be in the file system level.
EVA virtualization came to reduce these circumstances.
Even entire disk enclosure failure also can't make the EVA down. That's y RSS concept is great here.
I work for HPE
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тАО06-10-2011 03:44 AM
тАО06-10-2011 03:44 AM
Re: EVA VDisk Question
So my question should be should I break the 800GB into multiple VDISKs so that I dont "have all my eggs in one basket." Except, instead of eggs, they are VMWare .vmdk files.
Sorry!
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тАО06-10-2011 06:17 AM - last edited on тАО06-18-2021 02:48 AM by Ramya_Heera
тАО06-10-2011 06:17 AM - last edited on тАО06-18-2021 02:48 AM by Ramya_Heera
Re: EVA VDisk Question
Yes, that *is* an important detail!
See the technical paper http://h20195.www2.hp.com/v2/getdocument.aspx?docname=4AA1-2185ENW.pdf
You may want to search for:
best practices EVA VMware vSphere
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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тАО08-07-2011 08:15 AM
тАО08-07-2011 08:15 AM
Re: EVA VDisk Question
Can you help me out max vdisk size we can present to single windows host?
@Sheldon Smith wrote:
I'm not sure I understand what you're asking. You want to have an appropriately-sized VDISK for each server's system drive.