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тАО09-27-2005 03:54 AM
тАО09-27-2005 03:54 AM
Exchanging 146Gb drives for 300Gb in a Disk Group
Thanks in advance.
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тАО09-27-2005 04:01 AM
тАО09-27-2005 04:01 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
You can easily add the 300GB disks to the existing DG. Doing so will increase your reserved storage based on your protection level...
PL none = 0GB becomes 0GB
PL Single = 2x146GB becomes 2x300GB
PL Double = 4x146GB becomes 4x300GB.
Adding the 8 disks at once will satisfy the need for more available storage to cover your protection level. It would also level out so you'd have to wait for the first leveling before doing the removals.
Then, you can remove them one at a time allowing them the level. I think you can do multiple remove, but have never done it beore so not sure if it would work. WOuld be great though to tell it one thing to do instead of 8.
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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тАО09-28-2005 02:39 AM
тАО09-28-2005 02:39 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
What I wanted was confirmation that we can mix disk sizes in a DG and do this a drive at a time (after the first eight). I.E. add a 300, level, remove a 146, level etc.
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тАО09-28-2005 02:44 AM
тАО09-28-2005 02:44 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
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тАО09-28-2005 02:46 AM
тАО09-28-2005 02:46 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
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тАО09-28-2005 02:48 AM
тАО09-28-2005 02:48 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
Yes, if you add a 300GB disk AND your protection level is single or double, you will lose raw space because the the protection level will be based on 300GB (x2 or x4) instead of 146GB.
Yes, you can mix disks. It is best to add 8 disks at a time though, or a multiple of 8 (See your other posting). How many 146GB disks do you have?
You can also drop your protection level for the process, than bump it up again after your done or have enough to cover, so you don't lose the extra space right off.
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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тАО09-28-2005 02:55 AM
тАО09-28-2005 02:55 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
My goal is to swap the entire array with 300Gb drives.
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тАО09-28-2005 03:03 AM
тАО09-28-2005 03:03 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
If you add an odd number of disk drives to a disk group with an even number of disk drives, you will not be able to use the capacity of the last disk drive for VRAID-1 virtual disks. So you are about 280 SWGB short on space.
And depending on _how_ you swap the disks, you might end up in bad RSS configurations, yes.
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тАО09-28-2005 03:08 AM
тАО09-28-2005 03:08 AM
Re: Exchanging 146Gb drives for 300Gb in a Disk Group
Thanks again.
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тАО09-28-2005 03:16 AM
тАО09-28-2005 03:16 AM