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Blindsay

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    Blindsay reacted to Christopher (Drashna) in Is SBDP a good fit for me?   
    StableBit DrivePool stores the files on the individual disks themselves, in hidden "PoolPart" folders.  So, yes, if a single disk fails, you only lose the contents of that disk.  However, if you're using duplication, only unduplicated data on that disk is lost, and the software will check and reduplicate data as needed after you remove the problem disk.  
    Additionally, since each disk is handled separately, and the pool drive is an emulated disk, there is no size limitation here. You can continue to use 4K cluster (allocation units) on the drives without any problems.  In fact, I was doing so until recently (well past 50TBs in fact). 
     
    Unfortunately, no, there isn't a list of the data on the drive. We use NTFS to look up what is on the disk, rather than relying on an external database, for a number of reasons.  We do have a thread on this (as well, as potential plans on changing that, in some regards):
    http://community.covecube.com/index.php?/topic/746-drive-must-have-died-is-there-a-way-to-tell-what-was-on-it/
     
    You should definitely check it out, as a number of people list ways (or software) they use to inventory their systems. 
     
    But to be honest, the easiest way is to enable duplication on the entire pool, or maybe use something like SnapRAID to add snapshot parity. 
     
    This one is trickier. Having a backup is absolutely a good idea. But redundancy is good too. But redundancy isn't a backup. Generally, it is good to have both.   However, the reason that I bring this up is that if you do have slower drives in the pool, and duplication enabled, the Read Striping feature will actually attempt to read from the faster or less busy disk, to optimize performance. 
     
    Otherwise, as for backing up, some tools won't work on the pool. Because the pool doesn't support VSS, tools like Acronis don't support it properly, and you'd have to backup the pooled drives rather than the pool. 
    However, using syncing tools (such as BTSync, Allways Sync, Free File Sync, or the like) you can copy the files to a backup location without a problem. 
     
    If you need any more clarification or have any additional questions, don't hesitate to ask.
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