CPC G06F 16/128 (2019.01) [G06F 11/1451 (2013.01); G06F 16/148 (2019.01); G06F 16/182 (2019.01); G06F 2201/84 (2013.01)] | 20 Claims |
1. A method for maintaining a snapshot of a multitier distributed file system, comprising:
creating a snapshot directory volume for a directory volume associated with a first tier of the multitier distributed file system at least in part by copying, to the snapshot directory volume, directory metadata stored on the directory volume;
creating a snapshot file record associated with a file stored on a volume associated with a second tier of the multitier distributed file system, wherein the file is in a directory that is associated with the directory metadata; and
associating the snapshot directory volume with the snapshot file record to enable access to the snapshot file record from the snapshot directory volume.
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