Installation of Xenserver at following process
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I have to install the Xenserver 6.5 at Dell server R630 with the two RAID groups.One of the group is RAID1 with 2 * 600GB Hard disk and other RAID5 with 6 * 1.2 TB hard disk.Whether any issues comes while adding the RAID 5 group with xenserver.Any issues come means what kind of the issue will be related to?It is urgent
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A 61tb raid5 is asking for trouble in case of a drive failure. The rebuild time on the array will be extremely high.
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I'm not sure what the question is really.
I assume you mean 6x 1 TB Drives (or something) and not 61TB. Either way RAID 10 or RAID 6 should be considered not raid 5.
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@thecreativeone91 said:
. Either way RAID 10 or RAID 6 should be considered not raid 5.
yes 6 * 1.2 TB hard disk'
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@Lakshmana said:
yes 6 * 1.2 TB hard disk'
Righto, as @JaredBusch and @thecreativeone91 have said, RAID 5 is asking for trouble.
Have you been told that you must use RAID 5 or do you have a choice? -
@nadnerB only RAID 5 and RAID1 should be used
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@Lakshmana said:
Whether any issues comes while adding the RAID 5 group with xenserver.
When you use hardware RAID the operating system and/or the hypervisor cannot see the RAID at all. All RAID arrays are the same to XenServer. Whether it is RAID 0, 1, 5, 6, 10, etc. does not matter because to XenServer it is always just "a disk" and nothing else. Always.
So while RAID 5 is a horrible idea, as is splitting the array into two, both violating the most basic best practices and common sense, we understand that this is because your manager is sabotaging clients and that there is nothing that you can do about it, but as far as XenServer is concerned there is never a need to wonder how it will react to different RAID levels.
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@Lakshmana said:
@nadnerB only RAID 5 and RAID1 should be used
Well no, RAID 5 should never be used as is basic industry knowledge. There is a big difference between "your manager is try to sabotage a client and demands you do this" and "RAID 5 should be used." There is no circumstance, and there has not been for more than half a decade, when RAID 5 was acceptable in a newly planned array.
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Here is a ton of resources on understanding RAID. You can print this out for your manager (I'm assuming he doesn't know how to use email given his other technical skills) or, better, send this to the customer to help them understand just how much he is attempting to destroy their business.
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How to enable thin provisioning after the installation of the Xenserver is done
The local storage in the server is not able to repair as well as not able to add the new hard disk with that Why????
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@Lakshmana check to see if a hard drive is bad
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@Lakshmana said:
How to enable thin provisioning after the installation of the Xenserver is done
You already asked this question and it was answered. You already enabled it during the install and it is done. There is nothing more to do. Why are you asking this again when it was already answered and you know why?
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@Lakshmana said:
The local storage in the server is not able to repair as well as not able to add the new hard disk with that Why????
This is a separate question. I would ask it in a new thread. We don't have any details here, we need to know something about your storage before answering this.
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@scottalanmiller I will ask this in another thread
