Details
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Technical task
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Resolution: Fixed
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Minor
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Lustre 2.11.0
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9223372036854775807
Description
If the DoM component extent_end is set larger than the MDT dom_stripesize (via lfs setstripe -Eextent_end -L mdt ) then this currently generates an error. Since users do not have any easy way to determine the dom_stripesize on the MDT, and it may in fact be different on a per-MDT basis (e.g. if MDT0000 sets dom_stripesize=0 because it was formatted before DoM, or it is adjusted automatically by the MDS when the MDT is nearly full). This complicates DoM usage for users (imagine a striped directory that has different DoM size limits for the MDTs it is striped over).
The MDS should automatically adjust the component extent_end to match the MDT dom_stripesize, and if dom_stripesize=0 then the DoM component should be removed.
Attachments
Issue Links
- is related to
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LU-10786 sanity-flr test_45: Create /mnt/lustre/d45.sanity-flr/f45.sanity-flr failed
- Resolved
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LU-10917 If setstripe for DoM file fails, less/no information is given
- Resolved
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LU-11608 DoM2: inherited DoM component size is not limited
- Closed
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LU-10070 PFL self-extending file layout
- Resolved
- is related to
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LU-10465 increase default stripe size to 4MB
- Resolved
- mentioned in
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