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ReadyNAS OS 6.4.2 => sometimes lost connection
Hallo, i've installed new OS on my 314 and get faster directory-access. all others seems the same, excep transferrate (little bit lower). But yesterday 5x and today 2x i lost connection to NAS fr...
You can drop back to 6.4.0 easily - just download the zip here:http://kb.netgear.com/app/answers/detail/a_id/29938/~/readynas-os-version-6.4.0 Extract the image from the zip, and then use the manual install button on system->settings.
Its hard to go further back (and it would require a factory reset among other things).
Lennardo wrote:
It would be great to know which snapshot need how much space. So i know in advance how much i can free or which shapshot is the efficientist to delete.
It would be great, but I don't think BTRFS has the tools to tell you.
A snapshot takes no space when it is created. As files change in the main share, the original versions essentially migrate to the snapshots that were taken after the original version was created. As files are deleted, the old versions similarly migrate to the snapshots. New files added to the share don't increase the space used in the snapshots.
Anyway, what I do is delete the oldest snapshots until I free enough space. That is not guaranteed to be optimal, but it is usually a good strategy - and it makes it easy to know how much file history I actually have.
Hallo,
StephenB wrote:
Lennardo wrote:It would be great to know which snapshot need how much space. So i know in advance how much i can free or which shapshot is the efficientist to delete.
It would be great, but I don't think BTRFS has the tools to tell you.
6.4.2 tell you the size of all snapshots if you look at system/volume (sorry i cant name exact because i have a new problem: admin page dropout), so the system should be able to give the size of each single snapshoot.
Tschüß
Lennardo wrote:
6.4.2 tell you the size of all snapshots if you look at system/volume (sorry i cant name exact because i have a new problem: admin page dropout), so the system should be able to give the size of each single snapshoot.
Well, its not quite that simple.
The challenge is that the common datablocks are shared across multiple snapshots. For each snapshot you can see tell how much data is unique to the snapshot, but usually the bulk of the data is linked into more than one snapshot.
Yes. Only in the unusual situation where a large amount of data was added a snapshot was taken and then it was deleted before the next snapshot would the unique usage by a snapshot be of much use for knowing which to delete to free up data.
Of course you can compare the differences between any two snapshots but that could be quite time consuming, particularly if there is a lot of data on the share.
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