Erik Lindahl
Activity
02/27/2020
- 03:44 PM RADOS Bug #39525: lz4 compressor corrupts data when buffers are unaligned
- No, not positive. Very early on we did play around with compression also for the metadata, but in the end decided lat...
- 10:57 AM RADOS Bug #39525: lz4 compressor corrupts data when buffers are unaligned
- Hi,
Oops; Sorry Dan, but I just realised I misled you. While we do have aggressive LZ4 enabled by *default* (in pa...
02/21/2020
- 10:16 PM RADOS Bug #39525: lz4 compressor corrupts data when buffers are unaligned
- Just to provide the same update I gave to Dan van der Ster over email:
IIRC, we saw this 1-2 times more after the ...
05/20/2019
- 01:38 PM RADOS Bug #39555: backfill_toofull while OSDs are not full (Unneccessary HEALTH_ERR)
- Just to chime in: We too have seen this (on 13.2.5) on OSDs that are only 10-20% full.
It always (magically) clear...
05/01/2019
- 10:55 PM RADOS Bug #39525: lz4 compressor corrupts data when buffers are unaligned
- The OSDs definitely had objects corresponding to the maps, but they failed the CRC check when trying to read them. Al...
04/29/2019
- 10:16 PM RADOS Bug #39525: lz4 compressor corrupts data when buffers are unaligned
- Hi Greg,
That might actually explain how it happened originally; we auto-deploy hosts with salt, and noticed that ... - 05:23 PM RADOS Bug #39525: lz4 compressor corrupts data when buffers are unaligned
- I might have gotten slightly further.
1) On one of the the broken OSDs, the current_epoch is 34626 (clean_thru is... - 03:58 PM RADOS Bug #39525 (Resolved): lz4 compressor corrupts data when buffers are unaligned
- In conjunction with taking a new storage server online we observed that 5 out of the 6 SSDs we use to store metadata ...
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