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dfiore
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‎01-17-2013 05:04 PM
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Can you expand a local raid set?

I am thinking of expanding my local raid set on my hp dl380 esxi 5.0 host? Currently 12 x 144GB drives adding 4 x 144GB more. Is there a way for me to add four additional drives to my Raid6 array?
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a_p_
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‎01-18-2013 12:29 AM
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HP SmartArray Controllers usually allow to reconfigure the RAID if BBWC/FBWC is present and fully charged.

After expanding the RAID you may need to create a new logical volume for rather than expanding the existing one. VMware does not support increasing a local VMFS datastore from the GUI and you'd have to do this manually from the command line, if you decide to increase the existing volume anyway (see e.g. http://communities.vmware.com/thread/335302).

Please also keep in mind, that due to a driver issue, you may still be limited to a logical volume size of ~2TB with some SmartArray Controllers (although ESXi 5 supports up to ~64TB). see http://kb.vmware.com/kb/2006942

André

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a_p_
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Leadership
‎01-18-2013 12:29 AM
Jump to solution

HP SmartArray Controllers usually allow to reconfigure the RAID if BBWC/FBWC is present and fully charged.

After expanding the RAID you may need to create a new logical volume for rather than expanding the existing one. VMware does not support increasing a local VMFS datastore from the GUI and you'd have to do this manually from the command line, if you decide to increase the existing volume anyway (see e.g. http://communities.vmware.com/thread/335302).

Please also keep in mind, that due to a driver issue, you may still be limited to a logical volume size of ~2TB with some SmartArray Controllers (although ESXi 5 supports up to ~64TB). see http://kb.vmware.com/kb/2006942

André

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