# Deleting Corrupt Checksum Files
**URL:** https://discuss.elastic.co/t/deleting-corrupt-checksum-files/22195
**Category:** Elasticsearch
**Created:** [February 16, 2015, 5:53pm UTC](https://discuss.elastic.co/t/deleting-corrupt-checksum-files/22195 "2015-02-16T17:53:03Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Mario\_Rodriguez](https://discuss.elastic.co/u/Mario_Rodriguez)
#### Post date: [February 16, 2015, 5:53pm UTC](https://discuss.elastic.co/t/deleting-corrupt-checksum-files/22195/1 "2015-02-16T17:53:03Z")
I am experiencing a problem with three \_checksum files in 3 different
shards of one index. We are currently running a 2 node cluster with
version 1.3.1.
The log on the non-master node cites this as the cause:
_java.io.EOFException: read past EOF:
MMapIndexInput(path="D:\ElasticSearchData\es\_cluster\_prod\nodes\0\indices\prodcustomer\1\index\_checksums-1418875637019")_
The log on the master node cites this:
_RecoveryEngineException[[prodotterbox][1] Phase[1] Execution failed];
nested: RecoverFilesRecoveryException[[prodotterbox][1] Failed to transfer
[0] files with total size of [0b]]; nested: EOFException[read past EOF:
MMapIndexInput(path="D:\ElasticSearchData\es\_cluster\_prod\nodes\0\indices\prodcustomer\1\index\_checksums-1418875637019")];
]]_
If the non-master node is shut down, the shards all initialize fine on the
master node. As soon as I bring up the other node, then I start getting
these errors logged.
Is it possible and safe to delete the 3 \_checksum files on the master node?
Or would a reindex help resolve this?
Any thoughts?
Thank you!
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### Author:  [@Mario\_Rodriguez](https://discuss.elastic.co/u/Mario_Rodriguez)
#### Post date: [February 17, 2015, 6:31am UTC](https://discuss.elastic.co/t/deleting-corrupt-checksum-files/22195/2 "2015-02-17T06:31:08Z")
I ended up deleting the checksum files that were corrupted and the shards
initialized successfully.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:32am UTC](https://discuss.elastic.co/t/deleting-corrupt-checksum-files/22195/3 "2017-07-06T00:32:18Z")