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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2015/06/11 20:34:01 UTC
[jira] [Updated] (YARN-3797) NodeManager not blacklisting the disk
(shuffle) with errors
[ https://issues.apache.org/jira/browse/YARN-3797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated YARN-3797:
-----------------------------------
Component/s: nodemanager
> NodeManager not blacklisting the disk (shuffle) with errors
> -----------------------------------------------------------
>
> Key: YARN-3797
> URL: https://issues.apache.org/jira/browse/YARN-3797
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Rajesh Balamohan
>
> In a multi-node environment, one of the disk (where map outputs are written) in a node went bad. Errors are given below.
> {noformat}
> Info fld=0x9ad090a
> sd 6:0:5:0: [sdf] Add. Sense: Unrecovered read error
> sd 6:0:5:0: [sdf] CDB: Read(10): 28 00 09 ad 09 08 00 00 08 00
> end_request: critical medium error, dev sdf, sector 162334984
> mpt2sas0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
> sd 6:0:5:0: [sdf] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> sd 6:0:5:0: [sdf] Sense Key : Medium Error [current]
> Info fld=0x9af8892
> sd 6:0:5:0: [sdf] Add. Sense: Unrecovered read error
> sd 6:0:5:0: [sdf] CDB: Read(10): 28 00 09 af 88 90 00 00 08 00
> end_request: critical medium error, dev sdf, sector 162498704
> mpt2sas0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
> mpt2sas0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
> sd 6:0:5:0: [sdf] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> sd 6:0:5:0: [sdf] Sense Key : Medium Error [current]
> Info fld=0x9af8892
> sd 6:0:5:0: [sdf] Add. Sense: Unrecovered read error
> sd 6:0:5:0: [sdf] CDB: Read(10): 28 00 09 af 88 90 00 00 08 00
> end_request: critical medium error, dev sdf, sector 162498704
> {noformat}
> Diskchecker would pass as the system allows to create directories and delete directories without issues. But data being served out can be corrupt and fetchers fail during CRC verification with unwanted delays and retries.
> Ideally node manager should detect such errors and blacklist/remove those disks from NM.
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