Discussion:
collection filename.wt does not appear to be a WiredTiger file
(too old to reply)
Иннокентий Голдберг
2018-12-05 10:39:02 UTC
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After filesystem error we can't start our mongodb instance (version
3.2.11-2+deb9u1).

mongodb --repair as specially build for our wiretiger version
(http://source.wiredtiger.com/2.9.2/command_line.html#util_salvage) gives
us the same error on one of the collections

file:collection-2--2481999773037646866.wt: WT_ERROR: non-specific
WiredTiger error


./wt -v -h /storage1/restore_checkArchive -C
"extensions=[./ext/compressors/snappy/.libs/libwiredtiger_snappy.so]" -R
verify collection-2--2481999773037646866
[1544005066:138304][28344:0x7fe82dc5c300],
file:collection-2--2481999773037646866.wt, WT_SESSION.verify:
collection-2--2481999773037646866.wt does not appear to be a WiredTiger
file: WT_ERROR: non-specific WiredTiger error

./wt -v -h /storage1/restore_checkArchive -C
"extensions=[./ext/compressors/snappy/.libs/libwiredtiger_snappy.so]" -R
salvage collection-2--2481999773037646866.wt
[1544005420:773648][29867:0x7f8a8dbe0300],
file:collection-2--2481999773037646866.wt, WT_SESSION.salvage:
collection-2--2481999773037646866.wt does not appear to be a WiredTiger
file: WT_ERROR: non-specific WiredTiger error
wt: session.salvage: file:collection-2--2481999773037646866.wt: WT_ERROR:
non-specific WiredTiger error

With the help of wt utility (salvage -> dump -> load) we recover some
outher collection files but not this

Is there some outher way to fix this or just extract data from it?


What additional data (files or so) you need to clarify the problem (The
size of problem collection files is close to 200Gb.)?
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Иннокентий Голдберг
2018-12-05 11:48:16 UTC
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