Avoid filling up a ZFS filesystem (and this has nothing to do with filling more than 80% of the pool
Hello,
Even you haven't filled a pool with more than 80% of its capacity you may have trouble if you a quoted filesystem on it gets very close to full.
At this point, if you select a file on this almost full filesystem and take it out, you may not be able to put it back right away.
That is, if you "shake" an almost full filesystem, (probably) metadata will grow in a way that you won't be able to store back the same amount of useful data it was capable of storing a few moments ago.
Regards,
Carlos.
Even you haven't filled a pool with more than 80% of its capacity you may have trouble if you a quoted filesystem on it gets very close to full.
At this point, if you select a file on this almost full filesystem and take it out, you may not be able to put it back right away.
That is, if you "shake" an almost full filesystem, (probably) metadata will grow in a way that you won't be able to store back the same amount of useful data it was capable of storing a few moments ago.
Regards,
Carlos.
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