HTWingNut
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Posts posted by HTWingNut
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I recently created a pool with existing data on it, successfully added the data to the pool.
I set it to balance the drives evenly across all drives with the "Disk Space Equalizer" plugin.
I have about 16TB of data spread across a 64TB pool of 5 drives (2x14TB + 3x12TB). A bulk of the data is on two drives. I'd rather the data be spread across the drives so in event of a drive failure there won't be a 14TB drive nearly full of data it will have to evacuate compared with the data spread across 5 drives (current data pool would be a bit over 3TB per drive).
Problem is I am looking at about 11-12 minutes per 0.1% of data moved. Task Manager is showing only about 10-12MB/sec transfer speeds for the balancing. My math shows this will take over a week to balance the data. Is there any way to improve this?
I'm tempted to just delete the data and restore from backups, because that will at least transfer at average 100 MB/sec or so which would "ONLY" take about two days. But I'm hesitant to do that because I don't want to delete any full set of data if I can help it.
I have not set any duplication yet, and I don't want to set file duplication until data has been balanced either. But maybe I just do that, I'm assuming that will take priority over balancing data.
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Thanks for the feedback. By "just like any other large file" does it copy it on the block level changes or full file change? Because if that file is changing regularly, doesn't seem very efficient to copy a full 3TB every time it changes. Which of course would be torture.
Either way, my VHD is on its own 8TB drive right now and I have a spare 8TB and think I will just mirror it. Probably safest solution.
Thanks!
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Has anyone used duplication with very large files in DrivePool and with duplication enabled? How does DP manage large files? The VDI image would change relatively frequently since it's basically operating like an OS hard disk. Would the full file need to be duplicated every time or does it transfer just blocks of data? I'm talking about a virtual drive image that can be 3-4TB in size (or maybe more eventually).
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Does anyone use OneDrive on their DrivePool? I keep my OneDrive fully downloaded and updated on my home server. Not sure if there are any known issues?
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I second this request for real time parity! Or at least do a parity check in the background like when duplication happens.
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On 2/22/2020 at 12:51 PM, aBe_FX35 said:
Thank you all for your feedback, yes its very weird that 2 of those drives failed on me, im upset about it. spent lots of money on the WD reds, i think my case i have them in is just not the best place for them, i need to build a standalone drivepool/plex media pc, any recommendations on a very functional and ventilated case for this purpose ? yes i do monitor the temps but not all the time. here is a screen shot of my temps, is this regular/normal temps ? :
i tried to attach a simple snip it clip png screenshot and site is telling me im only allowed 10kb ???!!!?? lol
I've come to like the Fractal Design cases. I just upgraded from a six-bay Node 304 to a 8 drive bay (+2 more mounted elsewhere in case) Node 804 case. Good ventilation, and anti-vibration pads. Just maybe add a second fan for improved airflow. Even under load all my drives are under 35C. If you want more drive space, then they offer the Define 7 that can accommodate 14 drives, and the Define 7 XL for 18.
The Stablebit DriveScanner can alert you to high temps too.
Use imgur.com if you want to post a screenshot.
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Since I recently acquired several new hard drives, it will take over a week to scan everything one by one. Is there any way that I can scan my drives on other computers and have the scan information imported into my main PC/server that will be using the drive?
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How does this go against "lean and simple'? By nature of a file system it needs to know folder structure and what files exist, what's the big deal having an extra data point saying "drive 1"? How does it balance data if it doesn't know what files are on which drives?
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Thanks for the response.
Yes, pretty much. As in DrivePool saying "hey, this drive is bad, here's the files that were on it". Because the files are spread across all drives in the pool, I won't know which files are affected.
Now that I've been using DrivePool for a little while now, I don't believe such a report tool exists. That would be a nice feature to have. I'm sure I could use a third party tool to compare against the backup, but DrivePool must know what data is where since it manages it, how about a log tool to show me what file are where?
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In the SMART details for that drive look for "Reallocated sector count", "Reallocation Event Count", "Uncorrectable Sector Count"... The Raw Values should be zero, if not that means there's some bad sectors. It's not always end of the world, if there's only a few. But it may be an indication why Scanner is maybe showing an issue. If those are all zero, then I'm not sure what else to look for.
Does scanner show what that "1 warning" is anywhere? You'd think that it would show you somewhere what that "1 warning" is.
I'm fairly new to Stablebit Scanner myself, but hopefully you can figure this out somehow (and a Stablebit rep stops by too, hopefully). Otherwise I'd put in a ticket with them. I did ask a question to them about DrivePool and they responded within 24 hours.
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I installed a new 8TB hard drive. I started running Stablebit scanner on it. When I went to bed last night it was at about 60%. When I got up this morning, it was back to 13% checking. No indication of any errors or bad sectors. What could cause this?
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Thanks. I finally realized that you can use it for free for status only.
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Run CrystalDiskInfo and see if you get any flags with that. If possible, I would also connect that disk via a SATA port to see if it reports the same thing.
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I recently started using DrivePool. I love the concept, no worries about RAID configuration, and like the idea of having the data easily accessible if I just pull a drive. Granted data is scattered across multiple drives, but it's still regular data I can access from any Windows machine without need of special software or controller.
In any case, I am making use of folder duplication for my most critical files, but also have all the data on my server (duplicated and non duplicated) backed up to a single external drive on a regular basis.
That being said, I was thinking of the scenario where a drive goes bad. While the duplicated folder data can be recreated (assuming) if I throw in a replacement drive, how do I know what files were on the bad drive to restore from my backup drive? Is this a feature in DrivePool? Or would I need to resort to a third party app to do a file compare and restore?
Thanks.
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That, and I learned the hard way from past experience (other servers). I label all my disks with S/N using a label printer so I can see which drive is which. But that burst and ping seem like a nice feature.
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I think it might be tied to number of days before next check. Although if you have it set to manually scan, it should scan regardless of what that setting is. I noticed this too. I only just recently purchased DrivePool and Scanner. But I decided to just have it start another scan, but it does nothing. I'll toy with the settings a bit and see.
Hopefully the dev will chime in though, but your post is nearly 3 weeks old, so I dunno.
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So if I want to run DrivePool to access my Windows 10 box (acting as a file server with DrivePool) remotely, I need to buy additional copies of DrivePool for each computer I want to access it from?
I have a laptop and desktop PC that I want to be able to access DrivePool and Scanner for my Server without having to Remote Desktop into my server. I don't necessarily need or want to use DrivePool or Scanner for my laptop or PC, but just remote access to server. Does this mean I still have to buy additional copies for both my Desktop and Laptop?
An app that allows just for access would be nice to have, even for Android. Is something like this being considered? Thanks!
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So I tried, and it seems the Bitlocker works fine as it normally would. Disks just won't be re-added to the pool until they have been unlocked.
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I'm also interested in a basic SSD cache drive.
Ideally, I'd like the SSD to act as a write cache, and then move data to the storage drives to be duplicated among the storage drives nearly immediately.
Also as a 'smart' read cache to learn commonly accessed files, and basically make it a temp storage of files, having nothing to do with duplication and balancing of the actual hard drive storage.
So the SSD should not be seen as part of the pool at all, but simply, a smart cache so you can have fast access reading and writing data and let all the duplication and balancing happen independent of the SSD.
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Anything special that needs to be done if I want to use Bitlocker with my drives with Drivepool? I have six 4TB drives I want to pool together that will be encrypted with Bitlocker. Thanks!
Best Practice on how much to fill a drive
in General
Posted
Depends on your use. If you don't do a lot of writes, fill it up as much as you can, reading the data isn't affected much by it. If you do frequent writes, deletes, rewrites, it may be a bit more sluggish. I usually shoot for 100GB free. Then again, once I reach 80% full, I usually just add a new drive, or upgrade to a fatter one.