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Erik Lindahl

  • Registered on: 04/29/2019
  • Last connection: 02/27/2020

Issues

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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