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Update at 6.35pm :
The RAID rebuild is at 67% -server load is stable and sites are loading fine.
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Hello
Our monitoring system has detected there is signs of failire of a drive on Server 12. We are replacing it now. There will be no downtime as these drives are hot swappable but there may be slightly elevated load and higher I/O wait times while the RAID array rebuilds.
That said, users should not see any downtime or any issues and we expect the rebuild to complete overnight.
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root@server12 [~]# smartctl -ad sat /dev/sg3 | egrep -i "reallocated_sector|current_pending|offline_uncorr" | awk '{print $2,$9,$10}'; smartctl -ad sat /dev/sg3 | grep -i 'ATA Error'
Reallocated_Sector_Ct - 776
Current_Pending_Sector - 8
Offline_Uncorrectable - 8
ATA Error Count: 3
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