{"id":4769,"date":"2012-09-26T19:54:14","date_gmt":"2012-09-26T11:54:14","guid":{"rendered":"http:\/\/inertz.com\/blog\/?p=4769"},"modified":"2013-03-12T12:38:49","modified_gmt":"2013-03-12T04:38:49","slug":"remove-hardisk-dari-raid-software","status":"publish","type":"post","link":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/","title":{"rendered":"Remove hardisk dari RAID software"},"content":{"rendered":"

Nota untuk diri sendiri. Selalu gak buat tapi tak hafal command. Malas.<\/p>\n

Bagi server engineer yang selalu buat kerja-kerja penyelenggaraan mesti biasa dengan RAID. Ada 2 jenis RAID sama ada RAID software atau hardware.<\/p>\n

Kita tidak boleh cabut terus hard disk dari RAID array, kita perlu tag hard disk tersebut sebagai fail dahulu dan kemudian remove dari RAID array.<\/p>\n

Contoh aku;<\/p>\n

mdadm –fail \/dev\/md0 \/dev\/sdb1
\nmdadm –remove \/dev\/md0 \/dev\/sdb1
\nmdadm –fail \/dev\/md1 \/dev\/sdb2
\nmdadm –remove \/dev\/md1 \/dev\/sdb2
\nmdadm –fail \/dev\/md2 \/dev\/sdb3
\nmdadm –remove \/dev\/md2 \/dev\/sdb3<\/p><\/blockquote>\n

Boleh gak run dengan satu command;<\/p>\n

mdadm \/dev\/md0 –fail \/dev\/sda1 –remove \/dev\/sda1<\/p><\/blockquote>\n

Untuk buat partition yang sebijik sama dengan partition asal command dibawah boleh dipakai;<\/p>\n

sfdisk -d \/dev\/sda | sfdisk \/dev\/sdb<\/p><\/blockquote>\n

Ia akan menyalin partition table sda dan membuang sepenuhnya partition table dalam sdb.<\/p>\n

Command untuk tengok RAID tengah rebuild;<\/p>\n

root@svr30 [~]# cat \/proc\/mdstat
\nPersonalities : [raid1]
\nmd0 : active raid1 sdb1[1] sda1[0]
\n200704 blocks [2\/2] [UU]<\/p>\n

md1 : active raid1 sdb2[1] sda2[0]
\n20482752 blocks [2\/2] [UU]<\/p>\n

md2 : active raid1 sdb3[1] sda3[0]
\n956076224 blocks [2\/2] [UU]
\n[=>……………….] resync = 9.6% (92591104\/956076224)
\nfinish=1528.7min speed=9413K\/sec<\/p><\/blockquote>\n

Salah satu server yang fail RAID.<\/p>\n

root@svr37 [~]# mdadm –detail \/dev\/md2
\n\/dev\/md2:
\nVersion : 0.90
\nCreation Time : Wed Jan\u00a0 4 08:00:12 2012
\nRaid Level : raid1
\nArray Size : 956076224 (911.79 GiB 979.02 GB)
\nUsed Dev Size : 956076224 (911.79 GiB 979.02 GB)
\nRaid Devices : 2
\nTotal Devices : 2
\nPreferred Minor : 2
\nPersistence : Superblock is persistent<\/p>\n

Update Time : Wed Sep 26 18:11:54 2012
\nState : clean, degraded, recovering
\nActive Devices : 1
\nWorking Devices : 2
\nFailed Devices : 0
\nSpare Devices : 1<\/p>\n

Rebuild Status : 7% complete<\/p>\n

UUID : 43024e1e:4070316a:ce66b5dd:5afe4cc3
\nEvents : 0.1080400<\/p>\n

Number\u00a0\u00a0 Major\u00a0\u00a0 Minor\u00a0\u00a0 RaidDevice State
\n0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0 active sync\u00a0\u00a0 \/dev\/sda3
\n2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 19\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0 spare rebuilding\u00a0\u00a0 \/dev\/sdb3<\/p>\n

root@svr37 [~]# mdadm –fail \/dev\/md2 \/dev\/sdb3
\nmdadm: set \/dev\/sdb3 faulty in \/dev\/md2
\nroot@svr37 [~]# mdadm –remove \/dev\/md2 \/dev\/sdb3
\nmdadm: hot removed \/dev\/sdb3
\nroot@svr37 [~]# mdadm –detail \/dev\/md2
\n\/dev\/md2:
\nVersion : 0.90
\nCreation Time : Wed Jan\u00a0 4 08:00:12 2012
\nRaid Level : raid1
\nArray Size : 956076224 (911.79 GiB 979.02 GB)
\nUsed Dev Size : 956076224 (911.79 GiB 979.02 GB)
\nRaid Devices : 2
\nTotal Devices : 1
\nPreferred Minor : 2
\nPersistence : Superblock is persistent<\/p>\n

Update Time : Wed Sep 26 18:13:20 2012
\nState : clean, degraded
\nActive Devices : 1
\nWorking Devices : 1
\nFailed Devices : 0
\nSpare Devices : 0<\/p>\n

UUID : 43024e1e:4070316a:ce66b5dd:5afe4cc3
\nEvents : 0.1080456<\/p>\n

Number\u00a0\u00a0 Major\u00a0\u00a0 Minor\u00a0\u00a0 RaidDevice State
\n0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0 active sync\u00a0\u00a0 \/dev\/sda3
\n1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0 removed<\/p><\/blockquote>\n

Command untuk tengok nombor siri hardisk bagi memudahkan penukaran hardisk.<\/p>\n

root@svr37 [~]# hdparm -I \/dev\/sdb | grep Serial
\nSerial Number:\u00a0\u00a0\u00a0\u00a0\u00a0 WD-WCATR8606779
\nTransport: Serial, SATA 1.0a, SATA II Extensions, SATA Rev 2.5<\/p><\/blockquote>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Nota untuk diri sendiri. Selalu gak buat tapi tak hafal command. Malas. Bagi server engineer yang selalu buat kerja-kerja penyelenggaraan mesti biasa dengan RAID. Ada 2 jenis RAID sama ada RAID software atau hardware. Kita tidak boleh cabut terus hard disk dari RAID array, kita perlu tag hard disk tersebut sebagai fail dahulu dan kemudian […]<\/p>\n","protected":false},"author":1,"featured_media":4774,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[3361,4399,4244,4398,4400],"class_list":["post-4769","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-dari","tag-hardisk","tag-raid","tag-remove","tag-software"],"yoast_head":"\nRemove hardisk dari RAID software - https:\/\/inertz.com\/blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Remove hardisk dari RAID software - https:\/\/inertz.com\/blog\" \/>\n<meta property=\"og:description\" content=\"Nota untuk diri sendiri. Selalu gak buat tapi tak hafal command. Malas. Bagi server engineer yang selalu buat kerja-kerja penyelenggaraan mesti biasa dengan RAID. Ada 2 jenis RAID sama ada RAID software atau hardware. Kita tidak boleh cabut terus hard disk dari RAID array, kita perlu tag hard disk tersebut sebagai fail dahulu dan kemudian […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/\" \/>\n<meta property=\"og:site_name\" content=\"https:\/\/inertz.com\/blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/inertz\" \/>\n<meta property=\"article:author\" content=\"https:\/\/web.facebook.com\/inertz\" \/>\n<meta property=\"article:published_time\" content=\"2012-09-26T11:54:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-03-12T04:38:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/inertz.com\/blog\/wp-content\/uploads\/2012\/09\/tux.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/inertz\" \/>\n<meta name=\"twitter:site\" content=\"@inertz\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Remove hardisk dari RAID software - https:\/\/inertz.com\/blog","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:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/","og_locale":"en_US","og_type":"article","og_title":"Remove hardisk dari RAID software - https:\/\/inertz.com\/blog","og_description":"Nota untuk diri sendiri. Selalu gak buat tapi tak hafal command. Malas. Bagi server engineer yang selalu buat kerja-kerja penyelenggaraan mesti biasa dengan RAID. Ada 2 jenis RAID sama ada RAID software atau hardware. Kita tidak boleh cabut terus hard disk dari RAID array, kita perlu tag hard disk tersebut sebagai fail dahulu dan kemudian […]","og_url":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/","og_site_name":"https:\/\/inertz.com\/blog","article_publisher":"https:\/\/facebook.com\/inertz","article_author":"https:\/\/web.facebook.com\/inertz","article_published_time":"2012-09-26T11:54:14+00:00","article_modified_time":"2013-03-12T04:38:49+00:00","og_image":[{"width":300,"height":300,"url":"https:\/\/inertz.com\/blog\/wp-content\/uploads\/2012\/09\/tux.jpg","type":"image\/jpeg"}],"author":"admin","twitter_card":"summary_large_image","twitter_creator":"@https:\/\/twitter.com\/inertz","twitter_site":"@inertz","twitter_misc":{"Written by":"admin","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/#article","isPartOf":{"@id":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/"},"author":{"name":"admin","@id":"https:\/\/inertz.com\/blog\/#\/schema\/person\/d27d47b78673d67d4de15a57cd609ed9"},"headline":"Remove hardisk dari RAID software","datePublished":"2012-09-26T11:54:14+00:00","dateModified":"2013-03-12T04:38:49+00:00","mainEntityOfPage":{"@id":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/"},"wordCount":403,"commentCount":0,"publisher":{"@id":"https:\/\/inertz.com\/blog\/#organization"},"image":{"@id":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/#primaryimage"},"thumbnailUrl":"https:\/\/inertz.com\/blog\/wp-content\/uploads\/2012\/09\/tux.jpg","keywords":["dari","hardisk","raid","remove","software"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/","url":"https:\/\/inertz.com\/blog\/remove-hardisk-dari-raid-software\/","name":"Remove hardisk dari RAID software - 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