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===== java in Ubuntu https://launchpad.net/~webupd8team/+archive/ubuntu/java http://www.webupd8.org/2012/01/install-oracle-java-jdk-7-in-ubuntu-via.html
 =====
===== 3TB Seaga HD failure =====
<code>
Error in /var/log/syslog
Dec 30 14:26:23 homeserver kernel: [43971969.493019] ata3.00: BMDMA stat 0x25
Dec 30 14:26:23 homeserver kernel: [43971969.494077] ata3.00: failed command: READ DMA EXT
Dec 30 14:26:23 homeserver kernel: [43971969.495077] ata3.00: cmd 25/00:00:d8:1f:6c/00:04:28:00:00/e0 tag 0 dma 524288 in
Dec 30 14:26:23 homeserver kernel: [43971969.495078]          res 51/40:00:d8:1f:6c/40:00:28:00:00/00 Emask 0x9 (media error)
Dec 30 14:26:23 homeserver kernel: [43971969.497103] ata3.00: status: { DRDY ERR }
Dec 30 14:26:23 homeserver kernel: [43971969.498060] ata3.00: error: { UNC }
Dec 30 14:26:23 homeserver kernel: [43971969.560353] ata3.00: configured for UDMA/133
Dec 30 14:26:23 homeserver kernel: [43971969.560491] ata3: EH complete
Dec 30 14:26:26 homeserver kernel: [43971972.396372] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Dec 30 14:26:26 homeserver kernel: [43971972.397036] ata3.00: BMDMA stat 0x25
Dec 30 14:26:26 homeserver kernel: [43971972.397892] ata3.00: failed command: READ DMA EXT
Dec 30 14:26:26 homeserver kernel: [43971972.398649] ata3.00: cmd 25/00:00:d8:1f:6c/00:04:28:00:00/e0 tag 0 dma 524288 in
Dec 30 14:26:26 homeserver kernel: [43971972.398650]          res 51/40:00:d8:1f:6c/40:00:28:00:00/00 Emask 0x9 (media error)
Dec 30 14:26:26 homeserver kernel: [43971972.399956] ata3.00: status: { DRDY ERR }
Dec 30 14:26:26 homeserver kernel: [43971972.400612] ata3.00: error: { UNC }
Dec 30 14:26:26 homeserver kernel: [43971972.464001] ata3.00: configured for UDMA/133
Dec 30 14:26:26 homeserver kernel: [43971972.464179] ata3: EH complete
Dec 30 14:26:29 homeserver kernel: [43971975.317253] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Dec 30 14:26:29 homeserver kernel: [43971975.318240] ata3.00: BMDMA stat 0x25
Dec 30 14:26:29 homeserver kernel: [43971975.319236] ata3.00: failed command: READ DMA EXT
Dec 30 14:26:29 homeserver kernel: [43971975.320220] ata3.00: cmd 25/00:00:d8:1f:6c/00:04:28:00:00/e0 tag 0 dma 524288 in
Dec 30 14:26:29 homeserver kernel: [43971975.320222]          res 51/40:00:d8:1f:6c/40:00:28:00:00/00 Emask 0x9 (media error)
Dec 30 14:26:29 homeserver kernel: [43971975.322228] ata3.00: status: { DRDY ERR }
Dec 30 14:26:29 homeserver kernel: [43971975.323210] ata3.00: error: { UNC }
Dec 30 14:26:29 homeserver kernel: [43971975.387507] ata3.00: configured for UDMA/133
Dec 30 14:26:29 homeserver kernel: [43971975.387667] ata3: EH complete
Dec 30 14:26:32 homeserver kernel: [43971978.415242] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Dec 30 14:26:32 homeserver kernel: [43971978.416184] ata3.00: BMDMA stat 0x25
Dec 30 14:26:32 homeserver kernel: [43971978.417089] ata3.00: failed command: READ DMA EXT
Dec 30 14:26:32 homeserver kernel: [43971978.417991] ata3.00: cmd 25/00:00:d8:1f:6c/00:04:28:00:00/e0 tag 0 dma 524288 in
Dec 30 14:26:32 homeserver kernel: [43971978.417992]          res 51/40:00:d8:1f:6c/40:00:28:00:00/00 Emask 0x9 (media error)
Dec 30 14:26:32 homeserver kernel: [43971978.419959] ata3.00: status: { DRDY ERR }
Dec 30 14:26:32 homeserver kernel: [43971978.420872] ata3.00: error: { UNC }
Dec 30 14:26:32 homeserver kernel: [43971978.530797] ata3.00: configured for UDMA/133
Dec 30 14:26:32 homeserver kernel: [43971978.530952] ata3: EH complete
Dec 30 14:26:35 homeserver kernel: [43971981.358829] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Dec 30 14:26:35 homeserver kernel: [43971981.359737] ata3.00: BMDMA stat 0x25
Dec 30 14:26:35 homeserver kernel: [43971981.360628] ata3.00: failed command: READ DMA EXT
Dec 30 14:26:35 homeserver kernel: [43971981.361508] ata3.00: cmd 25/00:00:d8:1f:6c/00:04:28:00:00/e0 tag 0 dma 524288 in
Dec 30 14:26:35 homeserver kernel: [43971981.361509]          res 51/40:00:d8:1f:6c/40:00:28:00:00/00 Emask 0x9 (media error)
Dec 30 14:26:35 homeserver kernel: [43971981.363348] ata3.00: status: { DRDY ERR }
Dec 30 14:26:35 homeserver kernel: [43971981.364315] ata3.00: error: { UNC }
Dec 30 14:26:35 homeserver kernel: [43971981.426406] ata3.00: configured for UDMA/133
Dec 30 14:26:35 homeserver kernel: [43971981.426556] sd 2:0:0:0: [sdc] Unhandled sense code
Dec 30 14:26:35 homeserver kernel: [43971981.426559] sd 2:0:0:0: [sdc]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Dec 30 14:26:35 homeserver kernel: [43971981.426562] sd 2:0:0:0: [sdc]  Sense Key : Medium Error [current] [descriptor]
Dec 30 14:26:35 homeserver kernel: [43971981.426566] Descriptor sense data with sense descriptors (in hex):
Dec 30 14:26:35 homeserver kernel: [43971981.426568]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
Dec 30 14:26:35 homeserver kernel: [43971981.426576]         28 6c 1f d8
Dec 30 14:26:35 homeserver kernel: [43971981.426579] sd 2:0:0:0: [sdc]  Add. Sense: Unrecovered read error - auto reallocate failed
Dec 30 14:26:35 homeserver kernel: [43971981.426584] sd 2:0:0:0: [sdc] CDB: Read(10): 28 00 28 6c 1f d8 00 04 00 00
Dec 30 14:26:35 homeserver kernel: [43971981.426592] end_request: I/O error, dev sdc, sector 678174680
Dec 30 14:26:35 homeserver kernel: [43971981.427537] ata3: EH complete



frdeng@homeserver:~$ sudo smartctl -A /dev/sdc
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-51-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   078   078   006    Pre-fail  Always       -       9992506
  3 Spin_Up_Time            0x0003   091   091   000    Pre-fail  Always       -       0
  4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always       -       19
  5 Reallocated_Sector_Ct   0x0033   100   100   010    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x000f   072   060   030    Pre-fail  Always       -       34505090274
  9 Power_On_Hours          0x0032   087   087   000    Old_age   Always       -       12258
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always       -       7
183 Runtime_Bad_Block       0x0032   100   100   000    Old_age   Always       -       0
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   001   001   000    Old_age   Always       -       528
188 Command_Timeout         0x0032   100   100   000    Old_age   Always       -       0
189 High_Fly_Writes         0x003a   094   094   000    Old_age   Always       -       6
190 Airflow_Temperature_Cel 0x0022   052   046   045    Old_age   Always       -       48 (Min/Max 29/54)
191 G-Sense_Error_Rate      0x0032   100   100   000    Old_age   Always       -       0
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       -       4
193 Load_Cycle_Count        0x0032   100   100   000    Old_age   Always       -       24
194 Temperature_Celsius     0x0022   048   054   000    Old_age   Always       -       48 (0 21 0 0)
197 Current_Pending_Sector  0x0012   099   099   000    Old_age   Always       -       192
198 Offline_Uncorrectable   0x0010   099   099   000    Old_age   Offline      -       192
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
240 Head_Flying_Hours       0x0000   100   253   000    Old_age   Offline      -       121783797690328
241 Total_LBAs_Written      0x0000   100   253   000    Old_age   Offline      -       23726725856
242 Total_LBAs_Read         0x0000   100   253   000    Old_age   Offline      -       39692673934


Found 3 sectors I/O error, fixed using hdparm --write-sector

$ sudo hdparm --write-sector 678175704 --yes-i-know-what-i-am-doing /dev/sdc
$ sudo hdparm --yes-i-know-what-i-am-doing --write-sector 678177016 /dev/sdc
$ sudo hdparm --write-sector 678174680 --yes-i-know-what-i-am-doing /dev/sdc

After fix,
$ sudo smartctl -A /dev/sda | egrep "Reallocated|Pending|Uncorrectable"
  5 Reallocated_Sector_Ct   0x0033   252   252   010    Pre-fail  Always       -       0
196 Reallocated_Event_Count 0x0032   252   252   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   252   252   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   252   252   000    Old_age   Offline      -       0
</code>
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