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тАО11-16-2009 07:53 AM
тАО11-16-2009 07:53 AM
EVA 4400 Recommended vdisk size
I was informed during the implementation that the maximum recommended vdisk size was 500GB. Anything higher than this would start to affect performance.
At the time the maximum vdisk that could be created was 2TB, but with the new firmware I believe that this has dramatically increased, up to 32TB.
Is the maximum recommended size for vdisk performance still 500GB?
Many thanks.
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тАО11-16-2009 08:48 AM
тАО11-16-2009 08:48 AM
Re: EVA 4400 Recommended vdisk size
This entirely depends on the usage:
- e.g. we use 1 GigaByte (smallest posible size) for cluster quorum disk
- in the VMware environment it depends on the number of VMs, because there is one I/O queue to the file system. We do have customers who use 250 GigaByte and many small systems. We do have a customer who uses 600-1,000 GigaBytes for his SAP (database) systems.
There are even customers who use 2047 GigaByte for an online archive.
There is not much I/O, so why create multiple file systems?
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тАО11-16-2009 08:58 AM
тАО11-16-2009 08:58 AM
Re: EVA 4400 Recommended vdisk size
Thanks for the reply.
So you would see no issue with using a 2TB vdisk for file server storage?
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тАО11-17-2009 01:31 AM
тАО11-17-2009 01:31 AM
Re: EVA 4400 Recommended vdisk size
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тАО11-17-2009 08:03 AM
тАО11-17-2009 08:03 AM
Re: EVA 4400 Recommended vdisk size
With the x400 family and the latest (09522000) firmware, you can make a vdisk of *any* size. NOTE: There is still a 2047 GB cap for volume expansion (a vdisk will not expand to larger than the 2047 GB limit), and snapshots/snapclones/mirrorclones will not work with vdisks larger than 2047 GB.
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