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тАО11-02-2005 03:47 AM
тАО11-02-2005 03:47 AM
Mixing Disk Speeds
One disk has failed and needs to be replaced. However we can only now buy 15,000 rpm disks new.
Will this work? Can we replace the faulty 10,000 rpm disk with a 15,000 rpm disk. What impact if any will this have on the existing array?
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тАО11-02-2005 03:50 AM
тАО11-02-2005 03:50 AM
Re: Mixing Disk Speeds
Absolutely. The array should not care about the speed of the disk.
At the very least, the new disk may write a little faster, but performance should stay the same since the array is still running 10k drives.
Steven
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
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тАО11-02-2005 05:38 AM
тАО11-02-2005 05:38 AM
Re: Mixing Disk Speeds
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тАО11-02-2005 06:40 AM
тАО11-02-2005 06:40 AM
Re: Mixing Disk Speeds
The new drive will run at 15k but to write a stripe the controller has to wait until all drives have written their part. So you will expereince almost the same performance as before; perhaps slightly faster.
Cheers
Peter
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тАО11-02-2005 07:06 AM
тАО11-02-2005 07:06 AM