{"id":11272,"date":"2019-04-03T20:11:46","date_gmt":"2019-04-03T20:11:46","guid":{"rendered":"https:\/\/dbtut.com\/?p=11272"},"modified":"2019-04-03T20:11:47","modified_gmt":"2019-04-03T20:11:47","slug":"replacing-a-damaged-flash-diskfmod-on-exadata","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2019\/04\/03\/replacing-a-damaged-flash-diskfmod-on-exadata\/","title":{"rendered":"Replacing a Damaged Flash Disk(fmod) on Exadata"},"content":{"rendered":"<p>In case of a damage of the flash modules(fmod) on flash cards on Exadata cellnodes, the flash cache will not function normally and there will be performance problems.<\/p>\n<p>Cellnodes include flash cards numbered 1, 2, 4 and 5. Each card has 4 fmod (flash disks). You can use the serial numbers to find the physically damaged flash disk.<\/p>\n<p>You can change the flash disks by following following steps.<\/p>\n<h2>Find the Damaged Flash Disk<\/h2>\n<pre class=\"lang:default decode:true \">CellCLI&gt; list physicaldisk\n\t 20:0     \t E0MVDK    \t normal\n\t 20:1     \t E0HVCK    \t normal\n\t 20:2     \t E0HVEV    \t normal\n\t 20:3     \t E6ECFR    \t normal\n\t 20:4     \t E57ZDW    \t normal\n\t 20:5     \t E0HV9H    \t normal\n\t 20:6     \t E4GX7X    \t normal\n\t 20:7     \t E0122V    \t normal\n\t 20:8     \t E0HV3G    \t normal\n\t 20:9     \t E60E6Q    \t normal\n\t 20:10    \t E0MMHA    \t normal\n\t 20:11    \t E4CLT2    \t normal\n\t FLASH_1_0\t 1039M04E3N\t warning - poor performance\n\t FLASH_1_1\t 1039M04E3Y\t normal\n\t FLASH_1_2\t 1041M04JPP\t normal\n\t FLASH_1_3\t 1039M04E3X\t normal\n\t FLASH_2_0\t 1027M03LPP\t normal\n\t FLASH_2_1\t 1031M03YCF\t normal\n\t FLASH_2_2\t 1031M03XJ9\t normal\n\t FLASH_2_3\t 1031M043EL\t normal\n\t FLASH_4_0\t 1122M09MGG\t normal\n\t FLASH_4_1\t 1122M09MGW\t normal\n\t FLASH_4_2\t 1122M09M2X\t normal\n\t FLASH_4_3\t 1122M09M2W\t normal\n\t FLASH_5_0\t 1031M041K7\t normal\n\t FLASH_5_1\t 1031M040CN\t normal\n\t FLASH_5_2\t 1031M0400E\t normal\n\t FLASH_5_3\t 1031M03YPY\t normal<\/pre>\n<p>Make sure everything is OK. Because the server will be shut down, it is good to see that everything works fine before you shut down it.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; list griddisk attributes name,asmmodestatus,asmdeactivationoutcome\n\t DATA_ORCL_CD_00_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_01_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_02_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_03_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_04_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_05_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_06_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_07_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_08_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_09_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_10_orclcel05\t ONLINE\t Yes\n\t DATA_ORCL_CD_11_orclcel05\t ONLINE\t Yes\n\t DBFS_DG_CD_02_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_03_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_04_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_05_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_06_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_07_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_08_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_09_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_10_orclcel05  \t ONLINE\t Yes\n\t DBFS_DG_CD_11_orclcel05  \t ONLINE\t Yes\n\t RECO_ORCL_CD_00_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_01_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_02_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_03_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_04_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_05_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_06_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_07_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_08_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_09_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_10_orclcel05\t ONLINE\t Yes\n\t RECO_ORCL_CD_11_orclcel05\t ONLINE\t Yes<\/pre>\n<h2>Shut Down the Node<\/h2>\n<p>Before shut down, it is useful to make all the grid disks inactive.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; alter griddisk all inactive\nGridDisk DATA_ORCL_CD_00_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_01_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_02_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_03_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_04_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_05_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_06_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_07_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_08_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_09_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_10_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_11_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_02_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_03_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_04_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_05_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_06_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_07_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_08_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_09_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_10_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_11_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_00_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_01_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_02_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_03_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_04_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_05_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_06_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_07_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_08_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_09_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_10_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_11_orclcel05 successfully altered\n\nCellCLI&gt; list griddisk attributes name,asmmodestatus,asmdeactivationoutcome\n\t DATA_ORCL_CD_00_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_01_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_02_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_03_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_04_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_05_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_06_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_07_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_08_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_09_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_10_orclcel05\t OFFLINE\t Yes\n\t DATA_ORCL_CD_11_orclcel05\t OFFLINE\t Yes\n\t DBFS_DG_CD_02_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_03_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_04_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_05_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_06_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_07_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_08_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_09_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_10_orclcel05  \t OFFLINE\t Yes\n\t DBFS_DG_CD_11_orclcel05  \t OFFLINE\t Yes\n\t RECO_ORCL_CD_00_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_01_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_02_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_03_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_04_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_05_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_06_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_07_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_08_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_09_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_10_orclcel05\t OFFLINE\t Yes\n\t RECO_ORCL_CD_11_orclcel05\t OFFLINE\t Yes\n\nCellCLI&gt; list griddisk\n\t DATA_ORCL_CD_00_orclcel05\t inactive\n\t DATA_ORCL_CD_01_orclcel05\t inactive\n\t DATA_ORCL_CD_02_orclcel05\t inactive\n\t DATA_ORCL_CD_03_orclcel05\t inactive\n\t DATA_ORCL_CD_04_orclcel05\t inactive\n\t DATA_ORCL_CD_05_orclcel05\t inactive\n\t DATA_ORCL_CD_06_orclcel05\t inactive\n\t DATA_ORCL_CD_07_orclcel05\t inactive\n\t DATA_ORCL_CD_08_orclcel05\t inactive\n\t DATA_ORCL_CD_09_orclcel05\t inactive\n\t DATA_ORCL_CD_10_orclcel05\t inactive\n\t DATA_ORCL_CD_11_orclcel05\t inactive\n\t DBFS_DG_CD_02_orclcel05  \t inactive\n\t DBFS_DG_CD_03_orclcel05  \t inactive\n\t DBFS_DG_CD_04_orclcel05  \t inactive\n\t DBFS_DG_CD_05_orclcel05  \t inactive\n\t DBFS_DG_CD_06_orclcel05  \t inactive\n\t DBFS_DG_CD_07_orclcel05  \t inactive\n\t DBFS_DG_CD_08_orclcel05  \t inactive\n\t DBFS_DG_CD_09_orclcel05  \t inactive\n\t DBFS_DG_CD_10_orclcel05  \t inactive\n\t DBFS_DG_CD_11_orclcel05  \t inactive\n\t RECO_ORCL_CD_00_orclcel05\t inactive\n\t RECO_ORCL_CD_01_orclcel05\t inactive\n\t RECO_ORCL_CD_02_orclcel05\t inactive\n\t RECO_ORCL_CD_03_orclcel05\t inactive\n\t RECO_ORCL_CD_04_orclcel05\t inactive\n\t RECO_ORCL_CD_05_orclcel05\t inactive\n\t RECO_ORCL_CD_06_orclcel05\t inactive\n\t RECO_ORCL_CD_07_orclcel05\t inactive\n\t RECO_ORCL_CD_08_orclcel05\t inactive\n\t RECO_ORCL_CD_09_orclcel05\t inactive\n\t RECO_ORCL_CD_10_orclcel05\t inactive\n\t RECO_ORCL_CD_11_orclcel05\t inactive\n\nCellCLI&gt; exit\nquitting\n\n[root@orcldb01 ~]# shutdown -h now<\/pre>\n<h2>Change fmod Physically<\/h2>\n<p>After the node is closed, replace the problematic fmod on the corresponding flash card. Always remove power cables before changing the hardware and use static electricity wristbands.<\/p>\n<p>After the fmod change, insert the power cables and see the green light on the server flash, start the server from ilom or power button.<\/p>\n<h2>Perform the necessary checks after the change<\/h2>\n<p>Make sure that the serial number of the changed flash disk has changed.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; LIST PHYSICALDISK\n\t 20:0     \t E0MVDK    \t normal\n\t 20:1     \t E0HVCK    \t normal\n\t 20:2     \t E0HVEV    \t normal\n\t 20:3     \t E6ECFR    \t normal\n\t 20:4     \t E57ZDW    \t normal\n\t 20:5     \t E0HV9H    \t normal\n\t 20:6     \t E4GX7X    \t normal\n\t 20:7     \t E0122V    \t normal\n\t 20:8     \t E0HV3G    \t normal\n\t 20:9     \t E60E6Q    \t normal\n\t 20:10    \t E0MMHA    \t normal\n\t 20:11    \t E4CLT2    \t normal\n\t FLASH_1_0\t 1219M0DW59\t normal\n\t FLASH_1_1\t 1039M04E3Y\t normal\n\t FLASH_1_2\t 1041M04JPP\t normal\n\t FLASH_1_3\t 1039M04E3X\t normal\n\t FLASH_2_0\t 1027M03LPP\t normal\n\t FLASH_2_1\t 1031M03YCF\t normal\n\t FLASH_2_2\t 1031M03XJ9\t normal\n\t FLASH_2_3\t 1031M043EL\t normal\n\t FLASH_4_0\t 1122M09MGG\t normal\n\t FLASH_4_1\t 1122M09MGW\t normal\n\t FLASH_4_2\t 1122M09M2X\t normal\n\t FLASH_4_3\t 1122M09M2W\t normal\n\t FLASH_5_0\t 1031M041K7\t normal\n\t FLASH_5_1\t 1031M040CN\t normal\n\t FLASH_5_2\t 1031M0400E\t normal\n\t FLASH_5_3\t 1031M03YPY\t normal\n\nCellCLI&gt; list griddisk\n\t DATA_ORCL_CD_00_orclcel05\t inactive\n\t DATA_ORCL_CD_01_orclcel05\t inactive\n\t DATA_ORCL_CD_02_orclcel05\t inactive\n\t DATA_ORCL_CD_03_orclcel05\t inactive\n\t DATA_ORCL_CD_04_orclcel05\t inactive\n\t DATA_ORCL_CD_05_orclcel05\t inactive\n\t DATA_ORCL_CD_06_orclcel05\t inactive\n\t DATA_ORCL_CD_07_orclcel05\t inactive\n\t DATA_ORCL_CD_08_orclcel05\t inactive\n\t DATA_ORCL_CD_09_orclcel05\t inactive\n\t DATA_ORCL_CD_10_orclcel05\t inactive\n\t DATA_ORCL_CD_11_orclcel05\t inactive\n\t DBFS_DG_CD_02_orclcel05  \t inactive\n\t DBFS_DG_CD_03_orclcel05  \t inactive\n\t DBFS_DG_CD_04_orclcel05  \t inactive\n\t DBFS_DG_CD_05_orclcel05  \t inactive\n\t DBFS_DG_CD_06_orclcel05  \t inactive\n\t DBFS_DG_CD_07_orclcel05  \t inactive\n\t DBFS_DG_CD_08_orclcel05  \t inactive\n\t DBFS_DG_CD_09_orclcel05  \t inactive\n\t DBFS_DG_CD_10_orclcel05  \t inactive\n\t DBFS_DG_CD_11_orclcel05  \t inactive\n\t RECO_ORCL_CD_00_orclcel05\t inactive\n\t RECO_ORCL_CD_01_orclcel05\t inactive\n\t RECO_ORCL_CD_02_orclcel05\t inactive\n\t RECO_ORCL_CD_03_orclcel05\t inactive\n\t RECO_ORCL_CD_04_orclcel05\t inactive\n\t RECO_ORCL_CD_05_orclcel05\t inactive\n\t RECO_ORCL_CD_06_orclcel05\t inactive\n\t RECO_ORCL_CD_07_orclcel05\t inactive\n\t RECO_ORCL_CD_08_orclcel05\t inactive\n\t RECO_ORCL_CD_09_orclcel05\t inactive\n\t RECO_ORCL_CD_10_orclcel05\t inactive\n\t RECO_ORCL_CD_11_orclcel05\t inactive<\/pre>\n<h2>Reactivate Grid Disks<\/h2>\n<pre class=\"lang:default decode:true \">CellCLI&gt; alter griddisk all active\nGridDisk DATA_ORCL_CD_00_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_01_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_02_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_03_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_04_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_05_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_06_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_07_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_08_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_09_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_10_orclcel05 successfully altered\nGridDisk DATA_ORCL_CD_11_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_02_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_03_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_04_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_05_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_06_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_07_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_08_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_09_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_10_orclcel05 successfully altered\nGridDisk DBFS_DG_CD_11_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_00_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_01_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_02_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_03_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_04_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_05_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_06_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_07_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_08_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_09_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_10_orclcel05 successfully altered\nGridDisk RECO_ORCL_CD_11_orclcel05 successfully altered\n\nCellCLI&gt; list griddisk\n\t DATA_ORCL_CD_00_orclcel05\t active\n\t DATA_ORCL_CD_01_orclcel05\t active\n\t DATA_ORCL_CD_02_orclcel05\t active\n\t DATA_ORCL_CD_03_orclcel05\t active\n\t DATA_ORCL_CD_04_orclcel05\t active\n\t DATA_ORCL_CD_05_orclcel05\t active\n\t DATA_ORCL_CD_06_orclcel05\t active\n\t DATA_ORCL_CD_07_orclcel05\t active\n\t DATA_ORCL_CD_08_orclcel05\t active\n\t DATA_ORCL_CD_09_orclcel05\t active\n\t DATA_ORCL_CD_10_orclcel05\t active\n\t DATA_ORCL_CD_11_orclcel05\t active\n\t DBFS_DG_CD_02_orclcel05  \t active\n\t DBFS_DG_CD_03_orclcel05  \t active\n\t DBFS_DG_CD_04_orclcel05  \t active\n\t DBFS_DG_CD_05_orclcel05  \t active\n\t DBFS_DG_CD_06_orclcel05  \t active\n\t DBFS_DG_CD_07_orclcel05  \t active\n\t DBFS_DG_CD_08_orclcel05  \t active\n\t DBFS_DG_CD_09_orclcel05  \t active\n\t DBFS_DG_CD_10_orclcel05  \t active\n\t DBFS_DG_CD_11_orclcel05  \t active\n\t RECO_ORCL_CD_00_orclcel05\t active\n\t RECO_ORCL_CD_01_orclcel05\t active\n\t RECO_ORCL_CD_02_orclcel05\t active\n\t RECO_ORCL_CD_03_orclcel05\t active\n\t RECO_ORCL_CD_04_orclcel05\t active\n\t RECO_ORCL_CD_05_orclcel05\t active\n\t RECO_ORCL_CD_06_orclcel05\t active\n\t RECO_ORCL_CD_07_orclcel05\t active\n\t RECO_ORCL_CD_08_orclcel05\t active\n\t RECO_ORCL_CD_09_orclcel05\t active\n\t RECO_ORCL_CD_10_orclcel05\t active\n\t RECO_ORCL_CD_11_orclcel05\t active\n\nCellCLI&gt; list griddisk attributes name, asmmodestatus\n\t DATA_ORCL_CD_00_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_01_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_02_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_03_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_04_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_05_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_06_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_07_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_08_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_09_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_10_orclcel05\t OFFLINE\n\t DATA_ORCL_CD_11_orclcel05\t OFFLINE\n\t DBFS_DG_CD_02_orclcel05  \t ONLINE\n\t DBFS_DG_CD_03_orclcel05  \t ONLINE\n\t DBFS_DG_CD_04_orclcel05  \t ONLINE\n\t DBFS_DG_CD_05_orclcel05  \t ONLINE\n\t DBFS_DG_CD_06_orclcel05  \t ONLINE\n\t DBFS_DG_CD_07_orclcel05  \t ONLINE\n\t DBFS_DG_CD_08_orclcel05  \t ONLINE\n\t DBFS_DG_CD_09_orclcel05  \t ONLINE\n\t DBFS_DG_CD_10_orclcel05  \t ONLINE\n\t DBFS_DG_CD_11_orclcel05  \t ONLINE\n\t RECO_ORCL_CD_00_orclcel05\t SYNCING\n\t RECO_ORCL_CD_01_orclcel05\t SYNCING\n\t RECO_ORCL_CD_02_orclcel05\t SYNCING\n\t RECO_ORCL_CD_03_orclcel05\t SYNCING\n\t RECO_ORCL_CD_04_orclcel05\t SYNCING\n\t RECO_ORCL_CD_05_orclcel05\t SYNCING\n\t RECO_ORCL_CD_06_orclcel05\t SYNCING\n\t RECO_ORCL_CD_07_orclcel05\t SYNCING\n\t RECO_ORCL_CD_08_orclcel05\t SYNCING\n\t RECO_ORCL_CD_09_orclcel05\t SYNCING\n\t RECO_ORCL_CD_10_orclcel05\t SYNCING\n\t RECO_ORCL_CD_11_orclcel05\t SYNCING<\/pre>\n<h2>Check Flash Cache<\/h2>\n<p>After you see that all grid disks are ONLINE, check the flash cache.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; LIST CELLDISK\n\t CD_00_orclcel05               \t normal\n\t CD_01_orclcel05               \t normal\n\t CD_02_orclcel05               \t normal\n\t CD_03_orclcel05               \t normal\n\t CD_04_orclcel05               \t normal\n\t CD_05_orclcel05               \t normal\n\t CD_06_orclcel05               \t normal\n\t CD_07_orclcel05               \t normal\n\t CD_08_orclcel05               \t normal\n\t CD_09_orclcel05               \t normal\n\t CD_10_orclcel05               \t normal\n\t CD_11_orclcel05               \t normal\n\t FD_00_orclcel05               \t normal\n\t FD_01_orclcel05               \t normal\n\t FD_02_orclcel05               \t normal\n\t FD_03_orclcel05               \t normal\n\t FD_04_orclcel05               \t normal\n\t FD_05_orclcel05               \t normal\n\t FD_06_orclcel05               \t normal\n\t FD_07_orclcel05               \t normal\n\t FD_08_orclcel05               \t normal\n\t FD_09_orclcel05               \t normal\n\t FD_10_orclcel05               \t normal\n\t FD_11_orclcel05               \t normal\n\t FD_12_orclcel05               \t normal\n\t FD_13_orclcel05               \t normal\n\t FD_14_orclcel05               \t normal\n\t FD_15_orclcel05               \t normal\n\n\nCellCLI&gt; list flashcache\n\t orclcel05_FLASHCACHE\t warning - degraded<\/pre>\n<p>If the flashcache state is not normal after the flash disk change, drop flashcache, flashlog, and flashdisk drop and recreate in the same order.<\/p>\n<p>Exadata X6 systems do not require this step. Since the sample process was done in the X2 system, the following steps were performed.<\/p>\n<p>The sequence must be as follows.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; drop flashcache\nFlash cache orclcel05_FLASHCACHE successfully dropped\n\nCellCLI&gt; drop flashlog\nFlash log orclcel05_FLASHLOG successfully dropped\n\nCellCLI&gt; drop celldisk all flashdisk force\nCellDisk FD_00_orclcel05 successfully dropped\nCellDisk FD_01_orclcel05 successfully dropped\nCellDisk FD_02_orclcel05 successfully dropped\nCellDisk FD_03_orclcel05 successfully dropped\nCellDisk FD_04_orclcel05 successfully dropped\nCellDisk FD_05_orclcel05 successfully dropped\nCellDisk FD_06_orclcel05 successfully dropped\nCellDisk FD_07_orclcel05 successfully dropped\nCellDisk FD_08_orclcel05 successfully dropped\nCellDisk FD_09_orclcel05 successfully dropped\nCellDisk FD_10_orclcel05 successfully dropped\nCellDisk FD_11_orclcel05 successfully dropped\nCellDisk FD_12_orclcel05 successfully dropped\nCellDisk FD_13_orclcel05 successfully dropped\nCellDisk FD_14_orclcel05 successfully dropped\nCellDisk FD_15_orclcel05 successfully dropped\n\nCellCLI&gt; create celldisk all flashdisk\nCellDisk FD_00_orclcel05 successfully created\nCellDisk FD_01_orclcel05 successfully created\nCellDisk FD_02_orclcel05 successfully created\nCellDisk FD_03_orclcel05 successfully created\nCellDisk FD_04_orclcel05 successfully created\nCellDisk FD_05_orclcel05 successfully created\nCellDisk FD_06_orclcel05 successfully created\nCellDisk FD_07_orclcel05 successfully created\nCellDisk FD_08_orclcel05 successfully created\nCellDisk FD_09_orclcel05 successfully created\nCellDisk FD_10_orclcel05 successfully created\nCellDisk FD_11_orclcel05 successfully created\nCellDisk FD_12_orclcel05 successfully created\nCellDisk FD_13_orclcel05 successfully created\nCellDisk FD_14_orclcel05 successfully created\nCellDisk FD_15_orclcel05 successfully created\n\nCellCLI&gt; create flashlog all\nFlash log orclcel05_FLASHLOG successfully created\n\nCellCLI&gt; create flashcache all\nFlash cache orclcel05_FLASHCACHE successfully created<\/pre>\n<h2>Perform the Final Checks<\/h2>\n<p>You should see that Flash cache and flash disk status are normal.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; list flashcache\n\t orclcel05_FLASHCACHE\t normal\n\nCellCLI&gt; LIST CELLDISK\n\t CD_00_orclcel05\t normal\n\t CD_01_orclcel05\t normal\n\t CD_02_orclcel05\t normal\n\t CD_03_orclcel05\t normal\n\t CD_04_orclcel05\t normal\n\t CD_05_orclcel05\t normal\n\t CD_06_orclcel05\t normal\n\t CD_07_orclcel05\t normal\n\t CD_08_orclcel05\t normal\n\t CD_09_orclcel05\t normal\n\t CD_10_orclcel05\t normal\n\t CD_11_orclcel05\t normal\n\t FD_00_orclcel05\t normal\n\t FD_01_orclcel05\t normal\n\t FD_02_orclcel05\t normal\n\t FD_03_orclcel05\t normal\n\t FD_04_orclcel05\t normal\n\t FD_05_orclcel05\t normal\n\t FD_06_orclcel05\t normal\n\t FD_07_orclcel05\t normal\n\t FD_08_orclcel05\t normal\n\t FD_09_orclcel05\t normal\n\t FD_10_orclcel05\t normal\n\t FD_11_orclcel05\t normal\n\t FD_12_orclcel05\t normal\n\t FD_13_orclcel05\t normal\n\t FD_14_orclcel05\t normal\n\t FD_15_orclcel05\t normal<\/pre>\n\n<p>&nbsp;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_11272\" class=\"pvc_stats all  \" data-element-id=\"11272\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In case of a damage of the flash modules(fmod) on flash cards on Exadata cellnodes, the flash cache will not function normally and there will be performance problems. Cellnodes include flash cards numbered 1, 2, 4 and 5. Each card has 4 fmod (flash disks). You can use the serial numbers to find the physically &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_11272\" class=\"pvc_stats all  \" data-element-id=\"11272\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":11273,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[4],"tags":[3040,3041,3036,3037,3039,3035,3038,3034],"class_list":["post-11272","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-oracle","tag-change-exadata-flash-disk","tag-change-exadata-fmod","tag-change-flash-disk","tag-change-fmod","tag-exadata-flash-disk-change","tag-replace-flash-disk","tag-replace-fmod","tag-replacing-flash-disk"],"aioseo_notices":[],"a3_pvc":{"activated":true,"total_views":860,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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