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Old 09-24-2015, 10:55 AM   #1
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Default Help with a repurpouse rebuild

hi all I recently acquired a acer aspire m3201 and desperately need to create a backup server to protect my pretty big media files networked stored on a NAS with total space needed of around 16TB+ needing to be backed up to a different computer for safe keeping my questions are

what are the limitations on the hdds size could I use 4tb+ drives x4

there are enough bays for 4 3.5" Drives and enough sata ports on the board

any and all information on this tower is appreatiated

it would be a backup server
maby a transcoding server for plex but not much

any help appreateated thanks again ppl
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Old 09-24-2015, 01:49 PM   #2
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Default Re: Help with a repurpouse rebuild

How much data do you currently have stored?

If you have 16TB worth of data, you want your backup destination to be twice that size IMO, which means you will need 32TB worth of storage on the backup server.

Next, you will have to use RAID obviously, but, 4TB disks are not exactly something you want to be using in RAID, a 3x4TB RAID5 array has a high chance of being rebuilt should a disk fail. You also need to consider the RAID controller, you shouldn't be using software based methods, or cheap generic controllers, a good controller is going to set you back a minimum of $400 + $100 for the BBU.

Most people that need backups end up going with cloud services, sure it takes forever to backup, but, it's more reliable, cheaper in the short-term, and you don't have to worry about equipment failures. It only takes a single bolt of lighting to destroy your main file server, and your backup file server if they are in the same area.
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Old 09-24-2015, 05:14 PM   #3
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Default Re: Help with a repurpouse rebuild

At the moment I have 3tb of data but it is always filling quickly but a nas with a total of 16tb once full that I would want a backup of so just above 16tb should do it apart from a OS for the server

And would I have to use a raid controller I was thinking 4 separate 4tb drives backed up from a backup program that is capable of splitting backup images into segments eg 1tb 4tb

And as for equipment failure I would constantly keep an eye one ctenophore hdd's and replace them as soon as needed and as for lightning or other things the backup server would not be on 24/7 I would turn it on just to do backups and off again after its complete

---------- Post added at 04:14 PM ---------- Previous post was at 04:12 PM ----------

I have a nas with a 4tb drive can go to 16tb and plan on doing so

Movies are stored on the nas and that streams them where needed

I want to back up the nas to other drives in case of failure
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Old 09-24-2015, 06:40 PM   #4
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Default Re: Help with a repurpouse rebuild

Use incremental back ups. That way you just save what is new. That would save time and drive space.
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Old 09-24-2015, 06:46 PM   #5
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Default Re: Help with a repurpouse rebuild

Yes I would start with a full backup and do either incremental or differential backups after that not that a can tell the difference between the two apart from only needing one differential and a full to do a restore of your media but the problem would be is that I already have a 4tb in my nas filled with 2tb and growing

So for backup I would need at least 4x4tb drives at the end when my nas is completely full and already 2tb to do a full backup but that's already growing so a 4tb the same as in the nas at the moment would be needed

---------- Post added at 05:46 PM ---------- Previous post was at 05:44 PM ----------

I'm just unsure if my computer will support 4tb drives
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Old 09-24-2015, 07:24 PM   #6
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Default Re: Help with a repurpouse rebuild

What's the model of your computer...? As I said before, 4TB disks are bad for RAID, and MOST backup software won't let you back up to multiple disks in the fashion you are thinking is possible. You tell the software the location you want to send the backup to, even split, it will still send the split to that same location. So you are going to have to go with RAID if your backing up massive amounts of data, and should look into a good RAID controller that supports 4TB disks, as well as Raid5, R5, you only lose about 25% of the total disk storage (redundancy), but, it's the more economical choice if you are needing a storage pool that large for your backups.
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Old 09-25-2015, 03:15 AM   #7
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Default Re: Help with a repurpouse rebuild

Thanks for the help my model is a acer aspire m3201 there is not much about it on the Internet from what can find and my nas uses 4tb drives in a flex software raid why are these disks bad for a raid

And my plan would be to have a folder structure on my nas as
Movies (SMB SHARE) as main folder with sub folders
Movies hd1 4TB
Movies hd2 4tb
Etc
And then back up the individual movies HD* not the movies SMB share entirely

Have a separate backup job for each movies subfolder

---------- Post added at 02:15 AM ---------- Previous post was at 02:14 AM ----------

a don't really like raid truthfully a prefere a harddrive running only when needed not working with the other drives
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Old 09-25-2015, 05:43 PM   #8
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Default Re: Help with a repurpouse rebuild

Your computer should have an Acer RS780HVF motherboard, and if I am not mistaken, the chipset for that board doesn't support 4TB disks. You are going to be stuck with 2TB disks, or, to get 4TB disks, at a minimum, a SATA controller add-on to support 4TB disks.
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Old 09-26-2015, 06:21 AM   #9
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Default Re: Help with a repurpouse rebuild

Yes that's the motherboard according to cpu z
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Old 09-26-2015, 10:08 AM   #10
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Default Re: Help with a repurpouse rebuild

If I was to swap my motherboard what would you suggest it would need to support
AMD phenom x4 AM2 socket
2GB PC6400 128x8 DIMM
1GB GDDR2-800 128x8 1.8v Ep
6 sata ports at least maby 5 if pushed
And definitely needs support for 4tb data storage devices

Please only suggested components
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Old 09-28-2015, 06:16 PM   #11
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Default Re: Help with a repurpouse rebuild

What I do is i have a pci-e raid card that I got from ebay for under $50. It's cheaper because it's sata II but still works just fine and is an LSI which is a good brand.

Someone correct me if I'm wrong but I believe as long as the raid card can handle 16tb it doesn't matter the limit of the on board controller.

And if you're concerned about the rebuild time on a raid 5, why not go with a raid 10 or raid 6? Then you're protected for two drive failures.

If you have a decent raid card handling your array, you can just install windows or any OS of your choice and not have to worry about software raid. And if it was me, I'd just mirror the data over to the backup machine without bothering to do full/incremental backups. Since it's media the compression and other features of basic backup software probably won't make a whole lot of difference.

just my 2 cents.
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Old 09-28-2015, 06:51 PM   #12
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Default Re: Help with a repurpouse rebuild

Yes iv been thinking about trying out a sata pcie card are they any good and could I not use raid
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Old 09-28-2015, 06:59 PM   #13
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Default Re: Help with a repurpouse rebuild

You could set them up in a JBOD array. The disks will still be visible to the OS as a single volume, but there is no parity or striping. If a drive fails, the others can still be pulled and read in another machine. Though obviously you'd lose any files stored on the failed drive.

Probably another option is to create individual, single disk arrays for each drive. Although if you're going that route then maybe getting a motherboard that can support the drives natively like other's have suggested could be the better option. or getting just a pcie sata controller and skipping the raid card altogether
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Old 09-29-2015, 05:19 AM   #14
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Default Re: Help with a repurpouse rebuild

Yes i think I might go down the pice sata card road until I can afford to build a more uptodate dedicated server can you suggest any that would be compatible with 4x4tbs and my pretty old mb I would not use raid unles persuaded otherwise

My nas is what I want a backup it uses software raid it's got 1x4tb drive at the moment when it's full it holds 4x4tb drives using one for parity data if I wanted to back it up when it was full would I need to back up the 4 drives or just the 3 drives and not the parity it would be a file level backup

I assume it would only need 12tb data backup because of not needing the party
data

---------- Post added at 04:19 AM ---------- Previous post was at 04:18 AM ----------

Do you no if I would be able to upgrade the power supply in my aspire case obv more drives need more power there's nothing about it in the Internet n acer don't wanna talk. About possible upgrades and support

My stock power supply could be enough to power it all I don't no how you work this out
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Old 09-29-2015, 02:31 PM   #15
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Default Re: Help with a repurpouse rebuild

If you don't have a raid then you should only need 3 4TB drives to achieve 12TB capacity. Most likely the Power supply can support that, but check the label on the PSU for the wattage and then you can use this calculator to confirm it is sufficient: eXtreme Power Supply Calculator And as I said I THINK that the pcie sata controller would let you bypass the motherboard's limit on capacity but I haven't tried it so maybe someone else could chime in and confirm that.

Also if you're going that route you might want to get an additional smaller disk (maybe an SSD) to run just the OS, then you reserve the space on your 4TB drives

If you use windows 8 or 10 as your OS, you could use storage spaces to make a simple jbod array (no parity) with the 4TB disks.
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