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Bug #10325

closed

Erasure coding's cauchy parameter "w" in CEPH giant is incompatible with the one in firefly

Added by Zhi Zhang over 9 years ago. Updated about 9 years ago.

Status:
Resolved
Priority:
Urgent
Assignee:
Category:
-
Target version:
-
% Done:

0%

Source:
Community (dev)
Tags:
Backport:
giant
Regression:
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

Because of following incompatible issue, we are not able to upgrade our production cluster to giant from firefly.

2014-12-16 03:20:35.572814 7fd0285c2780 10 ErasureCodePluginSelectJerasure: sse4 plugin
2014-12-16 03:20:35.572824 7fd0285c2780 10 ErasureCodeJerasure: technique=cauchy_orig
2014-12-16 03:20:35.572844 7fd0285c2780 -1 ErasureCodeJerasure: Cauchy: w=4 must be one of {8, 16, 32} : revert to 8

2014-12-16 03:20:35.574909 7fd0285c2780 -1 osd/ECBackend.cc: In function 'ECBackend::ECBackend(PGBackend::Listener*, coll_t, coll_t, ObjectStore*, CephContext*, ceph::ErasureCodeInterfaceRef, uint64_t)' thread 7fd0285c2780 time 2014-12-16 03:20:35.572921
osd/ECBackend.cc: 182: FAILED assert((ec_impl->get_data_chunk_count() * ec_impl->get_chunk_size(stripe_width)) == stripe_width)
Actions #1

Updated by Loïc Dachary over 9 years ago

  • Project changed from rgw to Ceph
  • Description updated (diff)
  • Status changed from New to In Progress
  • Priority changed from Normal to Urgent
Actions #2

Updated by Loïc Dachary over 9 years ago

Your erasure code profile is

-bash-4.1$ sudo ceph osd erasure-code-profile get ecprofile_8_3
directory=/home/y/lib64/ceph/erasure-code
k=8
m=3
packetsize=512
plugin=jerasure
technique=cauchy_orig
w=4

and
$ m=3 ; w=4 ; for k in 8 ; do for erasures in $(seq 1 $m) ; do cmd="./ceph_erasure_code_benchmark --verbose --plugin jerasure --workload decode --iterations 1 --size 4096 --erasures $erasures --erasures-generation exhaustive --parameter packetsize=512 --parameter w=$w --parameter k=$k --parameter m=$m --parameter technique=cauchy_orig" ; echo $cmd ; $cmd ; done ; done
./ceph_erasure_code_benchmark --verbose --plugin jerasure --workload decode --iterations 1 --size 4096 --erasures 1 --erasures-generation exhaustive --parameter packetsize=512 --parameter w=4 --parameter k=8 --parameter m=3 --parameter technique=cauchy_orig
chunks (0)  1   2   3   4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6   7   8   9  (10) (X) is an erased chunk
0.001239    4
./ceph_erasure_code_benchmark --verbose --plugin jerasure --workload decode --iterations 1 --size 4096 --erasures 2 --erasures-generation exhaustive --parameter packetsize=512 --parameter w=4 --parameter k=8 --parameter m=3 --parameter technique=cauchy_orig
chunks (0) (1)  2   3   4   5   6   7   8   9   10  (X) is an erased chunk
chunks (0)  1  (2)  3   4   5   6   7   8   9   10  (X) is an erased chunk
chunks (0)  1   2  (3)  4   5   6   7   8   9   10  (X) is an erased chunk
chunks (0)  1   2   3  (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks (0)  1   2   3   4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks (0)  1   2   3   4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks (0)  1   2   3   4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks (0)  1   2   3   4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks (0)  1   2   3   4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks (0)  1   2   3   4   5   6   7   8   9  (10) (X) is an erased chunk
chunks  0  (1) (2)  3   4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2  (3)  4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3  (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6   7   8   9  (10) (X) is an erased chunk
chunks  0   1  (2) (3)  4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3  (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6   7   8   9  (10) (X) is an erased chunk
chunks  0   1   2  (3) (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6   7   8   9  (10) (X) is an erased chunk
chunks  0   1   2   3  (4) (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6   7   8   9  (10) (X) is an erased chunk
chunks  0   1   2   3   4  (5) (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6   7   8   9  (10) (X) is an erased chunk
chunks  0   1   2   3   4   5  (6) (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5  (6)  7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5  (6)  7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4   5  (6)  7   8   9  (10) (X) is an erased chunk
chunks  0   1   2   3   4   5   6  (7) (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6  (7)  8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6  (7)  8   9  (10) (X) is an erased chunk
chunks  0   1   2   3   4   5   6   7  (8) (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6   7  (8)  9  (10) (X) is an erased chunk
chunks  0   1   2   3   4   5   6   7   8  (9) (10) (X) is an erased chunk
0.009098    4
./ceph_erasure_code_benchmark --verbose --plugin jerasure --workload decode --iterations 1 --size 4096 --erasures 3 --erasures-generation exhaustive --parameter packetsize=512 --parameter w=4 --parameter k=8 --parameter m=3 --parameter technique=cauchy_orig
chunks (0) (1) (2)  3   4   5   6   7   8   9   10  (X) is an erased chunk
chunks (0) (1)  2  (3)  4   5   6   7   8   9   10  (X) is an erased chunk
chunks (0) (1)  2   3  (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks (0) (1)  2   3   4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks (0) (1)  2   3   4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks (0) (1)  2   3   4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks (0) (1)  2   3   4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks (0) (1)  2   3   4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks (0) (1)  2   3   4   5   6   7   8   9  (10) (X) is an erased chunk
chunks (0)  1  (2) (3)  4   5   6   7   8   9   10  (X) is an erased chunk
chunks (0)  1  (2)  3  (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks (0)  1  (2)  3   4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks (0)  1  (2)  3   4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks (0)  1  (2)  3   4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks (0)  1  (2)  3   4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks (0)  1  (2)  3   4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks (0)  1  (2)  3   4   5   6   7   8   9  (10) (X) is an erased chunk
chunks (0)  1   2  (3) (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks (0)  1   2  (3)  4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks (0)  1   2  (3)  4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks (0)  1   2  (3)  4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks (0)  1   2  (3)  4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks (0)  1   2  (3)  4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks (0)  1   2  (3)  4   5   6   7   8   9  (10) (X) is an erased chunk
chunks (0)  1   2   3  (4) (5)  6   7   8   9   10  (X) is an erased chunk
chunks (0)  1   2   3  (4)  5  (6)  7   8   9   10  (X) is an erased chunk
chunks (0)  1   2   3  (4)  5   6  (7)  8   9   10  (X) is an erased chunk
chunks (0)  1   2   3  (4)  5   6   7  (8)  9   10  (X) is an erased chunk
chunks (0)  1   2   3  (4)  5   6   7   8  (9)  10  (X) is an erased chunk
chunks (0)  1   2   3  (4)  5   6   7   8   9  (10) (X) is an erased chunk
chunks (0)  1   2   3   4  (5) (6)  7   8   9   10  (X) is an erased chunk
chunks (0)  1   2   3   4  (5)  6  (7)  8   9   10  (X) is an erased chunk
chunks (0)  1   2   3   4  (5)  6   7  (8)  9   10  (X) is an erased chunk
chunks (0)  1   2   3   4  (5)  6   7   8  (9)  10  (X) is an erased chunk
chunks (0)  1   2   3   4  (5)  6   7   8   9  (10) (X) is an erased chunk
chunks (0)  1   2   3   4   5  (6) (7)  8   9   10  (X) is an erased chunk
chunks (0)  1   2   3   4   5  (6)  7  (8)  9   10  (X) is an erased chunk
chunks (0)  1   2   3   4   5  (6)  7   8  (9)  10  (X) is an erased chunk
chunks (0)  1   2   3   4   5  (6)  7   8   9  (10) (X) is an erased chunk
chunks (0)  1   2   3   4   5   6  (7) (8)  9   10  (X) is an erased chunk
chunks (0)  1   2   3   4   5   6  (7)  8  (9)  10  (X) is an erased chunk
chunks (0)  1   2   3   4   5   6  (7)  8   9  (10) (X) is an erased chunk
chunks (0)  1   2   3   4   5   6   7  (8) (9)  10  (X) is an erased chunk
chunks (0)  1   2   3   4   5   6   7  (8)  9  (10) (X) is an erased chunk
chunks (0)  1   2   3   4   5   6   7   8  (9) (10) (X) is an erased chunk
chunks  0  (1) (2) (3)  4   5   6   7   8   9   10  (X) is an erased chunk
chunks  0  (1) (2)  3  (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks  0  (1) (2)  3   4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0  (1) (2)  3   4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0  (1) (2)  3   4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0  (1) (2)  3   4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0  (1) (2)  3   4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0  (1) (2)  3   4   5   6   7   8   9  (10) (X) is an erased chunk
chunks  0  (1)  2  (3) (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2  (3)  4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2  (3)  4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2  (3)  4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0  (1)  2  (3)  4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0  (1)  2  (3)  4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0  (1)  2  (3)  4   5   6   7   8   9  (10) (X) is an erased chunk
chunks  0  (1)  2   3  (4) (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3  (4)  5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3  (4)  5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3  (4)  5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0  (1)  2   3  (4)  5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0  (1)  2   3  (4)  5   6   7   8   9  (10) (X) is an erased chunk
chunks  0  (1)  2   3   4  (5) (6)  7   8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4  (5)  6  (7)  8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4  (5)  6   7  (8)  9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4  (5)  6   7   8  (9)  10  (X) is an erased chunk
chunks  0  (1)  2   3   4  (5)  6   7   8   9  (10) (X) is an erased chunk
chunks  0  (1)  2   3   4   5  (6) (7)  8   9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5  (6)  7  (8)  9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5  (6)  7   8  (9)  10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5  (6)  7   8   9  (10) (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6  (7) (8)  9   10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6  (7)  8  (9)  10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6  (7)  8   9  (10) (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6   7  (8) (9)  10  (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6   7  (8)  9  (10) (X) is an erased chunk
chunks  0  (1)  2   3   4   5   6   7   8  (9) (10) (X) is an erased chunk
chunks  0   1  (2) (3) (4)  5   6   7   8   9   10  (X) is an erased chunk
chunks  0   1  (2) (3)  4  (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0   1  (2) (3)  4   5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1  (2) (3)  4   5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1  (2) (3)  4   5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1  (2) (3)  4   5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1  (2) (3)  4   5   6   7   8   9  (10) (X) is an erased chunk
chunks  0   1  (2)  3  (4) (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3  (4)  5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3  (4)  5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3  (4)  5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1  (2)  3  (4)  5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1  (2)  3  (4)  5   6   7   8   9  (10) (X) is an erased chunk
chunks  0   1  (2)  3   4  (5) (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4  (5)  6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4  (5)  6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4  (5)  6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1  (2)  3   4  (5)  6   7   8   9  (10) (X) is an erased chunk
chunks  0   1  (2)  3   4   5  (6) (7)  8   9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5  (6)  7  (8)  9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5  (6)  7   8  (9)  10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5  (6)  7   8   9  (10) (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6  (7) (8)  9   10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6  (7)  8  (9)  10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6  (7)  8   9  (10) (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6   7  (8) (9)  10  (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6   7  (8)  9  (10) (X) is an erased chunk
chunks  0   1  (2)  3   4   5   6   7   8  (9) (10) (X) is an erased chunk
chunks  0   1   2  (3) (4) (5)  6   7   8   9   10  (X) is an erased chunk
chunks  0   1   2  (3) (4)  5  (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1   2  (3) (4)  5   6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2  (3) (4)  5   6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2  (3) (4)  5   6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2  (3) (4)  5   6   7   8   9  (10) (X) is an erased chunk
chunks  0   1   2  (3)  4  (5) (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4  (5)  6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4  (5)  6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4  (5)  6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2  (3)  4  (5)  6   7   8   9  (10) (X) is an erased chunk
chunks  0   1   2  (3)  4   5  (6) (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5  (6)  7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5  (6)  7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5  (6)  7   8   9  (10) (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6  (7) (8)  9   10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6  (7)  8  (9)  10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6  (7)  8   9  (10) (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6   7  (8) (9)  10  (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6   7  (8)  9  (10) (X) is an erased chunk
chunks  0   1   2  (3)  4   5   6   7   8  (9) (10) (X) is an erased chunk
chunks  0   1   2   3  (4) (5) (6)  7   8   9   10  (X) is an erased chunk
chunks  0   1   2   3  (4) (5)  6  (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2   3  (4) (5)  6   7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3  (4) (5)  6   7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3  (4) (5)  6   7   8   9  (10) (X) is an erased chunk
chunks  0   1   2   3  (4)  5  (6) (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5  (6)  7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5  (6)  7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5  (6)  7   8   9  (10) (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6  (7) (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6  (7)  8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6  (7)  8   9  (10) (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6   7  (8) (9)  10  (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6   7  (8)  9  (10) (X) is an erased chunk
chunks  0   1   2   3  (4)  5   6   7   8  (9) (10) (X) is an erased chunk
chunks  0   1   2   3   4  (5) (6) (7)  8   9   10  (X) is an erased chunk
chunks  0   1   2   3   4  (5) (6)  7  (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3   4  (5) (6)  7   8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4  (5) (6)  7   8   9  (10) (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6  (7) (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6  (7)  8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6  (7)  8   9  (10) (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6   7  (8) (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6   7  (8)  9  (10) (X) is an erased chunk
chunks  0   1   2   3   4  (5)  6   7   8  (9) (10) (X) is an erased chunk
chunks  0   1   2   3   4   5  (6) (7) (8)  9   10  (X) is an erased chunk
chunks  0   1   2   3   4   5  (6) (7)  8  (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4   5  (6) (7)  8   9  (10) (X) is an erased chunk
chunks  0   1   2   3   4   5  (6)  7  (8) (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4   5  (6)  7  (8)  9  (10) (X) is an erased chunk
chunks  0   1   2   3   4   5  (6)  7   8  (9) (10) (X) is an erased chunk
chunks  0   1   2   3   4   5   6  (7) (8) (9)  10  (X) is an erased chunk
chunks  0   1   2   3   4   5   6  (7) (8)  9  (10) (X) is an erased chunk
chunks  0   1   2   3   4   5   6  (7)  8  (9) (10) (X) is an erased chunk
chunks  0   1   2   3   4   5   6   7  (8) (9) (10) (X) is an erased chunk
0.036367    4

verifies that it is able to recover from any failure scenario.

Actions #3

Updated by Loïc Dachary over 9 years ago

This restriction was added incorrectly while refactoring parameter parsing in the jerasure plugin and should be relaxed

Actions #4

Updated by Loïc Dachary over 9 years ago

  • Backport set to giant
Actions #5

Updated by Loïc Dachary over 9 years ago

  • Status changed from In Progress to Fix Under Review
Actions #7

Updated by Loïc Dachary about 9 years ago

  • Status changed from Fix Under Review to Pending Backport
Actions #8

Updated by Loïc Dachary about 9 years ago

  • Status changed from Pending Backport to Resolved
Actions

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