can't do any thing with gigas of un allocated space
We have windows server 2008 Ent installed on R710 Dell server. The server is supplied with 6 hardisks each with a cpacitiy of 450 GB. We planned to use this server for our recently upagred to exchange 2010. As so, we decided to go with RAID5 which means that about 2.2 TB of space will be used and partioned on the server. We have exactly gone with this plane:
- 150 GB is the C drive which contains boot,page file etc...
- 2 TB to be allocated to different partitions used by the Exchange (we planned to go with two partitions)
Our main issue is actually with about 45.12 GB which is show as unallocated space but for some reasons we can't do any thing with it!!! any body could explain what is the use of this additional partion?? why it was automtically created and nothing can be done on it!!
- 150 GB is the C drive which contains boot,page file etc...
- 2 TB to be allocated to different partitions used by the Exchange (we planned to go with two partitions)
Our main issue is actually with about 45.12 GB which is show as unallocated space but for some reasons we can't do any thing with it!!! any body could explain what is the use of this additional partion?? why it was automtically created and nothing can be done on it!!
are all the drives in the Raid 5 equal in size?
ASKER
They are all in equal size
ASKER
See the attached image from the server
unallocated-space.jpg
unallocated-space.jpg
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You have 2 unallocated partitons, 1901gb and 45gb
I think you will not be able to do anything with the 45gig untill you do something with the 1901
I would be inclined to make your 500gig volume and see if then the others can be merged, then keep creating your volumes.
I think you will not be able to do anything with the 45gig untill you do something with the 1901
I would be inclined to make your 500gig volume and see if then the others can be merged, then keep creating your volumes.
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Noxcho beat me to it :)
It does look like you have hit the limit on the MBR partition size, and once the 1st partition is initilized, the spare 45gb should be able to be used.
As you mentioned it is going to be an exchange box, they tend to be happier with the logs being stored on a physically different disk, rather than just a different partition.
So unless you have plans for using all of the space, ideally you would want 2 disks Raid-1 for the OS and logs, and then 4 disks raid 5 for the datastores.
It does look like you have hit the limit on the MBR partition size, and once the 1st partition is initilized, the spare 45gb should be able to be used.
As you mentioned it is going to be an exchange box, they tend to be happier with the logs being stored on a physically different disk, rather than just a different partition.
So unless you have plans for using all of the space, ideally you would want 2 disks Raid-1 for the OS and logs, and then 4 disks raid 5 for the datastores.
"It does look like you have hit the limit on the MBR partition size, and once the 1st partition is initilized, the spare 45gb should be able to be used." - I think he will not be able to use this 45GB till he uses GPT partitioning style on this configuration. MBR will not exceed its limit even if first partitions start working. =)
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