{"id":5642,"date":"2018-11-24T12:41:02","date_gmt":"2018-11-24T12:41:02","guid":{"rendered":"https:\/\/dbtut.com\/?p=5642"},"modified":"2018-11-24T12:41:02","modified_gmt":"2018-11-24T12:41:02","slug":"poor-performance-status-on-exadata-cellnode-flash-disks","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/","title":{"rendered":"Poor Performance Status on Exadata Cellnode Flash Disks"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>The status of the Exadata cellnode flash disks may occasionally be poor performance. If the error numbers are 0 (zero) or too low when you look at the details of the disks, you can normalize the status of these disks as below.<\/p>\n<p>We connect to the cell node and run the cellcli command.<\/p>\n[root@oradb1cel01 ~]# cellcli<\/p>\n<pre class=\"lang:default decode:true\">CellCLI: Release 11.2.3.3.0 - Production on Fri Sep 09 11:34:31 EEST 2016\r\n\r\nCopyright (c) 2007, 2013, Oracle. All rights reserved.\r\nCell Efficiency Ratio: 1,178<\/pre>\n<p>&nbsp;<\/p>\n<p>We list the flash disks that are \u201cpoor performance\u201d.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; LIST PHYSICALDISK WHERE DISKTYPE=flashdisk AND STATUS= 'poor performance' DETAIL\r\nname: FLASH_4_0\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_0\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J54\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 0\"\r\nstatus: poor performance\r\n\r\nname: FLASH_4_1\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_1\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J55\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 1\"\r\nstatus: poor performance\r\n\r\nname: FLASH_4_2\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_2\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J59\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 2\"\r\nstatus: poor performance\r\n\r\nname: FLASH_4_3\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_3\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J58\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 3\"\r\nstatus: poor performance<\/pre>\n<p>&nbsp;<\/p>\n<p>We look into the details of flash disks. It is preferable that the error numbers are 0 (zero).<\/p>\n<pre class=\"lang:default decode:true\">CellCLI&gt; list physicaldisk FLASH_4_0 detail;\r\nname: FLASH_4_0\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_0\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J54\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 0\"\r\nstatus: poor performance\r\n\r\nCellCLI&gt; list physicaldisk FLASH_4_1 detail;\r\nname: FLASH_4_1\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_1\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J55\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 1\"\r\nstatus: poor performance\r\n\r\nCellCLI&gt; list physicaldisk FLASH_4_2 detail;\r\nname: FLASH_4_2\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_2\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J59\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 2\"\r\nstatus: poor performance\r\n\r\nCellCLI&gt; list physicaldisk FLASH_4_3 detail;\r\nname: FLASH_4_3\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_3\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J58\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 3\"\r\nstatus: poor performance<\/pre>\n<p>&nbsp;<\/p>\n<p>One by one we return the status of all flash disks to normal.<\/p>\n<pre class=\"lang:default decode:true\">CellCLI&gt; alter lun 4_0 reenable force;\r\nLUN 4_0 on physical disk FLASH_4_0 successfully marked to status normal.\r\nCellCLI&gt; list physicaldisk FLASH_4_0 detail;\r\nname: FLASH_4_0\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_0\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J54\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 0\"\r\nstatus: normal\r\n\r\nCellCLI&gt; alter lun 4_1 reenable force;\r\nLUN 4_1 on physical disk FLASH_4_1 successfully marked to status normal.\r\nCellCLI&gt; list physicaldisk FLASH_4_1 detail;\r\nname: FLASH_4_1\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_1\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J55\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 1\"\r\nstatus: normal\r\n\r\nCellCLI&gt; alter lun 4_2 reenable force;\r\nLUN 4_2 on physical disk FLASH_4_2 successfully marked to status normal.\r\nCellCLI&gt; list physicaldisk FLASH_4_2 detail;\r\nname: FLASH_4_2\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_2\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J59\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 2\"\r\nstatus: normal\r\n\r\nCellCLI&gt; alter lun 4_3 reenable force;\r\nLUN 4_3 on physical disk FLASH_4_3 successfully marked to status normal.\r\nCellCLI&gt; list physicaldisk FLASH_4_3 detail;\r\nname: FLASH_4_3\r\ndiskType: FlashDisk\r\nerrCmdTimeoutCount: 0\r\nerrHardReadCount: 0\r\nerrHardWriteCount: 0\r\nerrMediaCount: 0\r\nerrOtherCount: 0\r\nerrSeekCount: 0\r\nluns: 4_3\r\nmakeModel: \"MARVELL SD88SA02\"\r\nphysicalFirmware: D20Y\r\nphysicalInsertTime: 2011-11-29T10:20:15+02:00\r\nphysicalSerial: 1116M08J58\r\nphysicalSize: 22.8880615234375G\r\nsectorRemapCount: 0\r\nslotNumber: \"PCI Slot: 4; FDOM: 3\"\r\nstatus: normal<\/pre>\n<p>&nbsp;<\/p>\n<p>When you check the physical disks again, you will see that they all return to normal.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; LIST PHYSICALDISK\r\n20:0 E0HLLP normal\r\n20:1 E13ARA normal\r\n20:2 E0J2DH normal\r\n20:3 E0J7LA normal\r\n20:4 E0L5WK normal\r\n20:5 E0JART normal\r\n20:6 E0K77N normal\r\n20:7 E0L6NR normal\r\n20:8 E0Z0QP normal\r\n20:9 KGDAAL normal\r\n20:10 E0E0KN normal\r\n20:11 E0JATZ normal\r\nFLASH_1_0 1106M06XVW normal\r\nFLASH_1_1 1106M06XWG normal\r\nFLASH_1_2 1106M06XUH normal\r\nFLASH_1_3 1106M06XWE normal\r\nFLASH_2_0 1106M06XDD normal\r\nFLASH_2_1 1106M06XDK normal\r\nFLASH_2_2 1106M06X07 normal\r\nFLASH_2_3 1106M06X5E normal\r\nFLASH_4_0 1116M08J54 normal\r\nFLASH_4_1 1116M08J55 normal\r\nFLASH_4_2 1116M08J59 normal\r\nFLASH_4_3 1116M08J58 normal\r\nFLASH_5_0 1116M08C6W normal\r\nFLASH_5_1 1116M08C6X normal\r\nFLASH_5_2 1116M08C6V normal\r\nFLASH_5_3 1116M08C6U normal<\/pre>\n<p>&nbsp;<\/p>\n<p>Finally, be sure to check the flash cache status.<\/p>\n<pre class=\"lang:default decode:true \">CellCLI&gt; list flashcache\r\noradb1cel01_FLASHCACHE normal<\/pre>\n\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5642\" class=\"pvc_stats all  \" data-element-id=\"5642\" 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>&nbsp; The status of the Exadata cellnode flash disks may occasionally be poor performance. If the error numbers are 0 (zero) or too low when you look at the details of the disks, you can normalize the status of these disks as below. We connect to the cell node and run the cellcli command. [root@oradb1cel01 &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5642\" class=\"pvc_stats all  \" data-element-id=\"5642\" 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":0,"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":[],"class_list":["post-5642","post","type-post","status-publish","format-standard","","category-oracle"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Poor Performance Status on Exadata Cellnode Flash Disks - Database Tutorials<\/title>\n<meta name=\"description\" content=\"Poor Performance Status on Exadata Cellnode Flash Disks\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Poor Performance Status on Exadata Cellnode Flash Disks - Database Tutorials\" \/>\n<meta property=\"og:description\" content=\"Poor Performance Status on Exadata Cellnode Flash Disks\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/\" \/>\n<meta property=\"og:site_name\" content=\"Database Tutorials\" \/>\n<meta property=\"article:published_time\" content=\"2018-11-24T12:41:02+00:00\" \/>\n<meta name=\"author\" content=\"dbtut\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"dbtut\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/\"},\"author\":{\"name\":\"dbtut\",\"@id\":\"https:\/\/dbtut.com\/#\/schema\/person\/fc047c39e1e53dce28fc4253529ea408\"},\"headline\":\"Poor Performance Status on Exadata Cellnode Flash Disks\",\"datePublished\":\"2018-11-24T12:41:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/\"},\"wordCount\":137,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/dbtut.com\/#organization\"},\"articleSection\":[\"ORACLE\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/\",\"url\":\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/\",\"name\":\"Poor Performance Status on Exadata Cellnode Flash Disks - Database Tutorials\",\"isPartOf\":{\"@id\":\"https:\/\/dbtut.com\/#website\"},\"datePublished\":\"2018-11-24T12:41:02+00:00\",\"description\":\"Poor Performance Status on Exadata Cellnode Flash Disks\",\"breadcrumb\":{\"@id\":\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/dbtut.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Poor Performance Status on Exadata Cellnode Flash Disks\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/dbtut.com\/#website\",\"url\":\"https:\/\/dbtut.com\/\",\"name\":\"Database Tutorials\",\"description\":\"MSSQL, Oracle, PostgreSQL, MySQL, MariaDB, DB2, Sybase, Teradata, Big Data, NOSQL, MongoDB, Couchbase, Cassandra, Windows, Linux\",\"publisher\":{\"@id\":\"https:\/\/dbtut.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/dbtut.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/dbtut.com\/#organization\",\"name\":\"dbtut\",\"url\":\"https:\/\/dbtut.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/dbtut.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/dbtut.com\/wp-content\/uploads\/2021\/02\/dbtutlogo.jpg\",\"contentUrl\":\"https:\/\/dbtut.com\/wp-content\/uploads\/2021\/02\/dbtutlogo.jpg\",\"width\":223,\"height\":36,\"caption\":\"dbtut\"},\"image\":{\"@id\":\"https:\/\/dbtut.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/dbtut.com\/#\/schema\/person\/fc047c39e1e53dce28fc4253529ea408\",\"name\":\"dbtut\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/dbtut.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c322c32021bf651d9e103b183963c479a9c9791ead0715f4348203496c39aa54?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c322c32021bf651d9e103b183963c479a9c9791ead0715f4348203496c39aa54?s=96&d=mm&r=g\",\"caption\":\"dbtut\"},\"description\":\"We are a team with over 10 years of database management and BI experience. Our Expertises: Oracle, SQL Server, PostgreSQL, MySQL, MongoDB, Elasticsearch, Kibana, Grafana.\",\"sameAs\":[\"http:\/\/NurullahCAKIR\"],\"url\":\"https:\/\/dbtut.com\/index.php\/author\/dbtut\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Poor Performance Status on Exadata Cellnode Flash Disks - Database Tutorials","description":"Poor Performance Status on Exadata Cellnode Flash Disks","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/","og_locale":"en_US","og_type":"article","og_title":"Poor Performance Status on Exadata Cellnode Flash Disks - Database Tutorials","og_description":"Poor Performance Status on Exadata Cellnode Flash Disks","og_url":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/","og_site_name":"Database Tutorials","article_published_time":"2018-11-24T12:41:02+00:00","author":"dbtut","twitter_card":"summary_large_image","twitter_misc":{"Written by":"dbtut","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#article","isPartOf":{"@id":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/"},"author":{"name":"dbtut","@id":"https:\/\/dbtut.com\/#\/schema\/person\/fc047c39e1e53dce28fc4253529ea408"},"headline":"Poor Performance Status on Exadata Cellnode Flash Disks","datePublished":"2018-11-24T12:41:02+00:00","mainEntityOfPage":{"@id":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/"},"wordCount":137,"commentCount":0,"publisher":{"@id":"https:\/\/dbtut.com\/#organization"},"articleSection":["ORACLE"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/","url":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/","name":"Poor Performance Status on Exadata Cellnode Flash Disks - Database Tutorials","isPartOf":{"@id":"https:\/\/dbtut.com\/#website"},"datePublished":"2018-11-24T12:41:02+00:00","description":"Poor Performance Status on Exadata Cellnode Flash Disks","breadcrumb":{"@id":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/dbtut.com\/index.php\/2018\/11\/24\/poor-performance-status-on-exadata-cellnode-flash-disks\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/dbtut.com\/"},{"@type":"ListItem","position":2,"name":"Poor Performance Status on Exadata Cellnode Flash Disks"}]},{"@type":"WebSite","@id":"https:\/\/dbtut.com\/#website","url":"https:\/\/dbtut.com\/","name":"Database Tutorials","description":"MSSQL, Oracle, PostgreSQL, MySQL, MariaDB, DB2, Sybase, Teradata, Big Data, NOSQL, MongoDB, Couchbase, Cassandra, Windows, Linux","publisher":{"@id":"https:\/\/dbtut.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/dbtut.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/dbtut.com\/#organization","name":"dbtut","url":"https:\/\/dbtut.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/dbtut.com\/#\/schema\/logo\/image\/","url":"https:\/\/dbtut.com\/wp-content\/uploads\/2021\/02\/dbtutlogo.jpg","contentUrl":"https:\/\/dbtut.com\/wp-content\/uploads\/2021\/02\/dbtutlogo.jpg","width":223,"height":36,"caption":"dbtut"},"image":{"@id":"https:\/\/dbtut.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/dbtut.com\/#\/schema\/person\/fc047c39e1e53dce28fc4253529ea408","name":"dbtut","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/dbtut.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c322c32021bf651d9e103b183963c479a9c9791ead0715f4348203496c39aa54?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c322c32021bf651d9e103b183963c479a9c9791ead0715f4348203496c39aa54?s=96&d=mm&r=g","caption":"dbtut"},"description":"We are a team with over 10 years of database management and BI experience. Our Expertises: Oracle, SQL Server, PostgreSQL, MySQL, MongoDB, Elasticsearch, Kibana, Grafana.","sameAs":["http:\/\/NurullahCAKIR"],"url":"https:\/\/dbtut.com\/index.php\/author\/dbtut\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/posts\/5642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/comments?post=5642"}],"version-history":[{"count":0,"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/posts\/5642\/revisions"}],"wp:attachment":[{"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/media?parent=5642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/categories?post=5642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dbtut.com\/index.php\/wp-json\/wp\/v2\/tags?post=5642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}