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Any issues using a 3TB for backups


edamiga1

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I have been using 2TB drives for offsite backup of my data, but have begun to run out of space. I just upgraded to a 3TB drive and expected it to only format 2TB of it, but it went ahead and created the full 3TB of space. I set all my backups up and it has been running for almost 2 weeks without issue, so I just wanted to make sure that I will NOT run into any issues with this.

 

If I look at the drive I see basically on VHD file for each of my drive backups, so I think I will be fine as long as none of them grow beyond 2TB. Is this correct or is there something else that I will get hit with.

 

By the way I am running all of this on a Windows Server Core install along with 5 other virtual machines. I am passing in all of the hard drives as direct pass through and I have 2 sets of the drives configured and running in RAID. This has been working for over a year without issue, I used V1 for 3 years prior to this and Once I figured out how to work around the limitations for 2011, I love it. I

 

Virtual Home Server:

i5 processor 4 cores

3 Nics

7 hard drives + 1 Backup that I switch out every few weeks.

2 1.0TB drives in Mirror - Documents

2 1.5TB drives in Mirror - Photos and Video

3 2.0TB drives for movies. -

I have another set of 3 2.0TB drives that I periodically bring home and sync with these. I use SyncToy.

1 3.0TB drive for Backup that I take offsite and swap with another 3TB drive. I always have my data offsite.

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jmwills

So WHS see the entire 3TB as one single volume? You could make several VHD's on the drive and work like that but if you can see a single 3TB volume from WHS, that's news to me. I thought 2TB was it.

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It sees it as 3TB. This also suprised me, which is why I want to make sure that nothing bad will happen.

 

Capacity 2794.4 GB

Used Space 1886.8 GB

Free Space 907.6 GB

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jmwills

Nope, it only sees a 2TB volume to use for backups. The other 907.6 gigs is free.

 

Are using WHS in a Hyper-V setup?

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The numbers I showed are from the HWS Dashboard, I couldn't find a way to post a picture in the forum. It sees the full 2794.4 GB as part of the backup drive. The free space is just what I have not filled up yet, but is showing as available as space I can use for backup.

 

I am using WHS as a Hyper-V client, but am passing the HD directly through, not as a vhd. All my drives are passed directly through.

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jmwills

I will stand corrected but I think you will only be able to use 2TB for backups, could be wrong, but you will be one of the few ( the proud, The Marines...sorry old habit) that I have heard of who can present a 3 TB for full use, albeit in 2 volumes. However, I still think it will only use the 2TB volume and ignore the other, even though it recognizes the 3TB drive.

 

This was one of the little things that frustrates people with the Server 2008 backup mechansim. VHD's have a 2TB limit.

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I undestand the 2TB VHD limitation. What gives me hope is that if I look at the contents of the drive I see 5 vhd files, one for each of the drives that I am backing up; System Reserved, Operating System, D, H, and J. I think that as long as these stay under the 2TB limit, I should be fine and none of them are even at the 1TB size yet.

 

This is the basic question that I am asking and where I think the backup drive can be larger than 2TB, but wanting to verify.

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I have been using 2TB drives for offsite backup of my data, but have begun to run out of space. I just upgraded to a 3TB drive and expected it to only format 2TB of it, but it went ahead and created the full 3TB of space. I set all my backups up and it has been running for almost 2 weeks without issue, so I just wanted to make sure that I will NOT run into any issues with this.

 

If I look at the drive I see basically on VHD file for each of my drive backups, so I think I will be fine as long as none of them grow beyond 2TB. Is this correct or is there something else that I will get hit with.

 

By the way I am running all of this on a Windows Server Core install along with 5 other virtual machines. I am passing in all of the hard drives as direct pass through and I have 2 sets of the drives configured and running in RAID. This has been working for over a year without issue, I used V1 for 3 years prior to this and Once I figured out how to work around the limitations for 2011, I love it. I

 

Virtual Home Server:

i5 processor 4 cores

3 Nics

7 hard drives + 1 Backup that I switch out every few weeks.

2 1.0TB drives in Mirror - Documents

2 1.5TB drives in Mirror - Photos and Video

3 2.0TB drives for movies. -

I have another set of 3 2.0TB drives that I periodically bring home and sync with these. I use SyncToy.

1 3.0TB drive for Backup that I take offsite and swap with another 3TB drive. I always have my data offsite.

 

No problem with the client backup but you cannot recover the server on a 3T as it is formatted as a GPT. Windows backup cannot restore from GPT. If you remap you clients to a 3T no issues, I even did mine to a RAID. The server needs to stay on MBR partition in order to be able to restore. I would recommend that you move you clients to the 3T and put in a separate drive for the server backup.

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Confused.

 

I only have the 3TB drive for my backup drive, and do not use it for anything else. I am not clear on what you are saying with the recovery option. Basically I would never expect to recover the HS if it failed. It is running as a VM and I keep that file backed up seperately. If my WHS fails I would simply build a new machine and then copy the image for my virtual machine over and restart. all of my data is on seperate drives. I know that I can basically open the files that I have backed up and restore them to a machine if I need to.

 

I am basically asking if I can use a 3TB or larger harddrive as the backup drive and then backup to it without any adverse affects. It has allowed me to assign the entire 3TB drive as a single volume in my backup and has been backing up to it without any issue. I have less than 2TB of backups currently, so I just want to confirm that nothing bad will happen when it goes beyond 2TB.

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