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тАО09-12-2005 01:49 PM
тАО09-12-2005 01:49 PM
Now im wondering how long on average do you think this expansion would take.I know the rule of thumb is 15mins per G...I also read on another thread here saying it took 9 days.
Thats a long time without a backup.(I presume you cant run a backup while its expanding or can you...)
Ive got a ML370 and my contoller is a smart array 532.
Also if i want the minimum impact on a network,would it be better to set the priorty high when expanding,so it would expand faster or set it low and let the user be able to use the server and let the expand take much longer to do.Or can you change priorites during the expansion.I ask this becuase my only outage window would be a weekend..
Last question does the extending the logical drive in ACU take a long time ?
Any feedback would be appreciated..
Thanks in advance...
cheers
Solved! Go to Solution.
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тАО09-12-2005 03:25 PM
тАО09-12-2005 03:25 PM
Re: Estimate time for disk expansion...
Depending on how much data needs to be moved around, it could take an hour or it can take hours (and in some cases days).
Sure you can do a backup. You will decrease the preformance of the expansion as you "utilize" the disks by reading them for the backup, but there is no reason why a backup can't run.
If you can kick off the expansion at night or during non-usage hours then yes, setting the priority should help out a bit. Can it be changed during the process? I think it can. I remember doing this a few weeks ago with a 5i controller, but don't remember if it was actually doing the expand yet.
Expanding a Logical drive should not take long. I can not quote any tested results, but it does depend on how much more space your allocating to the logical drive. Adding only 1GB should happen within minutes while adding 100GB might take 15-30 minutes before it's usable, maybe even more.
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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тАО09-14-2005 03:08 AM
тАО09-14-2005 03:08 AM
Re: Estimate time for disk expansion...
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тАО09-14-2005 09:04 AM
тАО09-14-2005 09:04 AM
Re: Estimate time for disk expansion...
1.Ensure i get a backup.(This server runs sharepoint and im gonna use veritas as well as msdmback to backup the database)
2.Insert extra disk with server on.Fire up ACU and add the disk to the arrary with the priority set to high.
3.Wait for that to finish..hopefully by the end of the weekend.If done by monday,use ACU to extend the logical drive and then use diskpart to add extra space to my exisitng d drive.
Is there anything im missing.
I guess if i get errored out when adding the disk to arrary.i'll update firmware and re do the above steps and that should fix any errors if any..right ?
Let me know if this is the best plan of attack...
cheers
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тАО09-14-2005 09:31 AM
тАО09-14-2005 09:31 AM
Re: Estimate time for disk expansion...
If you plan on upgrading the firmware/driver afterwards anyway... do it first and get it out of the way.
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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тАО09-14-2005 02:21 PM
тАО09-14-2005 02:21 PM
Re: Estimate time for disk expansion...
Also while its expanding users would still be able to work off that server right, it will just be a little bit slower becuase of re-striping thats happening
Thanks
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тАО09-21-2005 07:18 AM
тАО09-21-2005 07:18 AM
Re: Estimate time for disk expansion...
I started my the array expansion Last saturday afternoon.
It has now completed 5 days later...
anyways just to confirm i will then need to use ACU again to extend the logical drive right ?
Does this procedure take long ?
I also came across a thread saying you will need to convert your disk from basic to dynamic before you can extend it in windows disk manager.Is this is a must ?
any feedbackup would be great
Thanks
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тАО09-21-2005 07:29 AM
тАО09-21-2005 07:29 AM
SolutionDepending on how your disk is currently configured, you may or may not need dynamic disk. The one thing I didn't ask, that i usually do, is how is the original array carved up? Do you have 1 Logical drive service your C: partition and other partitions? or do you have a logical drive for each windows drive configured?
I ask because, you can not extend any partition on a logical drive that has the system partition on it (usually the c: drive). You would need to use other 3rd party software, NOT diskpart.
If your c: drive is a seperate logical drive, then depending on your data disk configuration, you may or may not need to be dynamic disk. More specifically, if you have a logical drive that only has Data on it, but it has 2 partitions say.... D: and E:, then as a basic disk, you would only be able to extend the E: partition, but as a dynamic disk, you should be able to extend the d: partition as well. (using Diskpart).
So to answer the question, it is usually not a must, but greatly depends on your current config.
Click below for more info on Diskpart.exe...
http://support.microsoft.com/default.aspx?scid=kb;en-us;325590
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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тАО09-21-2005 07:50 AM
тАО09-21-2005 07:50 AM
Re: Estimate time for disk expansion...
Yes it has only one arrary and it has 2 logical drive.c and d.Its D drive which i want to add this extra space.So that should be fine right.the disk is basic.I wouldnt need to convert to dynamic.. ?
I will have a read thru that link u posted...
So just to confirm once the extending logical drive in ACU is done, i shoudl be able to see the free space in disk management in windows as being available right behind my d drive.I will then just need to extend the slider or use diskpart..
cheers
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тАО09-21-2005 08:37 AM
тАО09-21-2005 08:37 AM
Re: Estimate time for disk expansion...
Yes, you should see "free Space" at the end (all the way to the right) of the drive in Disk Manager. There is no slider that Ican recall unless maybe you have some sort of add in.
Once you have diskpart, you run it and it puts you into a shell type program, sort of like NSLOOKUP or FTP or TELNET, etc.
Basically, you need to...
LIST VOLUME - to list the volumes you have on that disk
SELECT VOLUME # - to select the volume you need to extend
EXTEND - to extend the partition.
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)