NetWorker: Selhání zálohování MongoDB pomocí NMDA
Summary: Tento článek řeší problémy se zálohováním MongoDB pomocí NMDA.
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Symptoms
Selhání záloh MongoDB modulu NetWorker Module for Databases and Applications (NMDA). Záloha zobrazuje:
monogdb_client:<save_set> size 0 KB, 0 file(s), took 0 min 31 sec
Zobrazí se jedna nebo více z následujících chyb:
The size of proxied data written has not been set. Backup of ssid 'xxxxx' failed due to unrecoverable errors.
The read operation returned a value of -1. Error code: 5. Error: Input/output error.
Backup of ssid 'nnnn' failed due to unrecoverable errors
The backup command '/nsr/apps/config/backup_logscript.sh' did not complete successfully: Backup of ssid 'nnnn' failed due to unrecoverable errors. Cause
Záložní skript přesměrovává výstup do souboru pomocí >.
Resolution
Pomocí --out pro výstup souboru namísto směrování výstupu do souboru.
Ukázkový oddíl skriptu. Změnit:
(
set -x;
EXEC_MYWORK="$INSTANCE_PATH_MW16_MYWORK/mongodump -u $BACKUP_USER -p $BACKUP_PASSWORD --authenticationDatabase $BACKUP_AUTHDB --gzip --port 27020 --db local --collection oplog.rs --query \"{ts: {\\\$gt: {\\\$timestamp: {t: $PASS_TIME, i: 0}}, \\\$lt: {\\\$timestamp: {t: $CURR_TIME, i: 0}}}}\" > $OAPP_MOUNT_DIR/backup_data_Oplog";
eval $EXEC_MYWORK;
)
Komu:
(
set -x;
EXEC_MYWORK="$INSTANCE_PATH_MW16_MYWORK/mongodump -u $BACKUP_USER -p $BACKUP_PASSWORD --authenticationDatabase $BACKUP_AUTHDB --gzip --port 27020 --db local --collection oplog.rs --query \"{ts: {\\\$gt: {\\\$timestamp: {t: $PASS_TIME, i: 0}}, \\\$lt: {\\\$timestamp: {t: $CURR_TIME, i: 0}}}}\" --out $OAPP_MOUNT_DIR/backup_data_Oplog";
eval $EXEC_MYWORK;
)Affected Products
NetWorker, NetWorker Module for Databases and ApplicationsProducts
NetWorker Family, NetWorker ModuleArticle Properties
Article Number: 000166750
Article Type: Solution
Last Modified: 01 Apr 2026
Version: 5
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