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Forum Discussion
Deleting files does not free up disk space
I am running a ReadyNAS 312 with the 6.2.0 firmware. Two 1TB drives mirrored.
I am encountering a problem which seems to be somewhat common. That is, when deleting files there is no resulting increase in available disk space. One of my shares I use for media storage. I removed what must have been scores of GBs of data. Available disk space - either viewed through finder on my Mac or via the web interface- remained the same. I just moved over some more files to that share and available space went down again immediately. This pattern has played out over quite a few weeks, so it isn't like a slow running task needs to complete. I have also done at least one restart and that made no difference.
I have reviewed several threads on this or similar topics. I tried one suggestion to delete snapshots. In fact, even after deleting every single snapshot for the share in question, no space was freed up. There are some references to displaying hidden files but I don't see how to do that using the web interface or Finder. I tried enabling ssh so I could shell to it, but there is a warning that enabling ssh may prevent me from receiving support.
A portion of the drive is reserved for Time Machine backups. Not sure if that matters.
Please help.
Thanks...
I am encountering a problem which seems to be somewhat common. That is, when deleting files there is no resulting increase in available disk space. One of my shares I use for media storage. I removed what must have been scores of GBs of data. Available disk space - either viewed through finder on my Mac or via the web interface- remained the same. I just moved over some more files to that share and available space went down again immediately. This pattern has played out over quite a few weeks, so it isn't like a slow running task needs to complete. I have also done at least one restart and that made no difference.
I have reviewed several threads on this or similar topics. I tried one suggestion to delete snapshots. In fact, even after deleting every single snapshot for the share in question, no space was freed up. There are some references to displaying hidden files but I don't see how to do that using the web interface or Finder. I tried enabling ssh so I could shell to it, but there is a warning that enabling ssh may prevent me from receiving support.
A portion of the drive is reserved for Time Machine backups. Not sure if that matters.
Please help.
Thanks...
4 Replies
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- Okay, this is very odd timing. I checked immediately after making my original post and something like 70GB had appeared. The only thing which makes sense is that the snapshots I deleted (I only deleted the oldest few this morning) finally released their space. I don't know exactly how the snapshots work, but I suppose if the media files I deleted were all on one of the older snapshots then deleting those last few could make a huge difference.
I'll run a few more experiments but I'm still open to suggestion.
Thanks... - Eauboy,
To reply to post of 20th Dec, are you using Continuous snapshots? Do you need to? If you switched to daily/ hourly, l would expect space to free up
over time. With continuous, the NAS will fill up. When full, snapshot management will start deleting the oldest.
Hope this helps, Marto So I have had the same issue as this thread (and several other threads on here). ReadyNas 4 bay with 3 4TB drives with OS6.2. Windows10 computer. I deleted some files and moved others around between folders. No space got freed from deleting files, and moving files resulted in losing free space (I'm guessing it didn't delete it once it moved it but did create a second copy).
From reading all these threads I have learned about Snapshots and deleted all of them. Still no free space created. I'm hoping there is just some lapse of time until it removes the files that the snapshots were holding onto. Anyone know if thats true? And if so, how long that is? After deleting all snapshots, I set the snapshot settings to weekly for each. That was a few days ago and no new snapshots have been created yet, so I was wondering if its the creation of a new snapshot that prompts deleting of files held on to by deleted snapshots. Could that be true? I reset the snapshot timing to daily so we'll see once a new snapshot is created today if space is freed.
Is there anything else that I am missing? I saw people talking about a deleted/.purge directory but I don't see it or anyway to show possible hidden folders.
When you delete a snapshot it has to update all the newer ones. Freeing up space as a result of deleting snapshots can take some time.
Can you send me your logs (see the Sending Logs link in my sig)?
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