{"id":630,"date":"2012-10-15T16:45:11","date_gmt":"2012-10-15T15:45:11","guid":{"rendered":"http:\/\/blogs.silicontechnix.com\/?p=630"},"modified":"2012-10-15T16:45:11","modified_gmt":"2012-10-15T15:45:11","slug":"mount-point-busy-or-already-mounted-error-centos","status":"publish","type":"post","link":"https:\/\/blogs.silicontechnix.com\/?p=630","title":{"rendered":"Mount point busy or already mounted error &#8211; CentOS"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>Recently when my servers HDD dead, data center installed a new HDD keeping orginal HDD as secondary so that i can copy data back to new HDD.<\/p>\n<p>I tried to mount the HDD normal way, but got the error:-<\/p>\n<pre class=\"brush:bash\">\r\n[root@server78 ~]# fdisk -l \/dev\/hda\r\n \r\n Disk \/dev\/hda: 160.0 GB, 160041885696 bytes\r\n 255 heads, 63 sectors\/track, 19457 cylinders\r\n Units = cylinders of 16065 * 512 = 8225280 bytes\r\n \r\n \u00a0\u00a0 Device Boot\u00a0\u00a0\u00a0\u00a0\u00a0 Start\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 End\u00a0\u00a0\u00a0\u00a0\u00a0 Blocks\u00a0\u00a0 Id\u00a0 System\r\n \/dev\/hda1\u00a0\u00a0 *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 13\u00a0\u00a0\u00a0\u00a0\u00a0 104391\u00a0\u00a0 83\u00a0 Linux\r\n \/dev\/hda2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 14\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 19457\u00a0\u00a0 156183930\u00a0\u00a0 8e\u00a0 Linux LVM\r\n \r\n [root@server78 ~]# mount \/dev\/hda2 \/tmp\/mnt\r\n mount: \/dev\/hda2 already mounted or \/tmp\/mnt busy<\/pre>\n<p>The old drive is lvm. you were trying to mount it like it was an ext3 filesystem. I have listed what i did below so you can see it.<\/p>\n<p>Now we need to check the old disk is using LVM ? type:-<\/p>\n<pre class=\"brush:bash\">\r\n[root@server78 ~]# pvs\r\nPV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VG\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Fmt\u00a0 Attr PSize\u00a0\u00a0 PFree\r\n\/dev\/hda2\u00a0 VolGroup01 lvm2 a-\u00a0\u00a0 148.94G 32.00M\r\n\/dev\/hdb2\u00a0 VolGroup00 lvm2 a-\u00a0\u00a0 114.94G 96.00M\r\n<\/pre>\n<p>So now we know our second hard disk VolumeGroup name is &#8220;VolGroup00&#8221;, now we can mount it like:-<\/p>\n<pre class=\"brush:bash\">\r\n[root@server78 ~]# mount \/dev\/VolGroup01\/LogVol00 \/mnt<\/pre>\n<p>That&#8217;s it, you can see the folders in \/mnt\/, Edit\/copy as you like.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Recently when my servers HDD dead, data center installed a new HDD keeping orginal HDD as secondary so that i can copy data back to new HDD. I tried to mount the HDD normal way, but got the error:- [root@server78 ~]# fdisk -l \/dev\/hda Disk \/dev\/hda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors\/track, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"no","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[95],"tags":[223,83,19,275,89,76,277,276],"class_list":["post-630","post","type-post","status-publish","format-standard","hentry","category-system-administration","tag-centos","tag-grub","tag-linux","tag-lvm","tag-mount","tag-password","tag-volgroup","tag-volume-group"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p12j6H-aa","_links":{"self":[{"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=\/wp\/v2\/posts\/630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=630"}],"version-history":[{"count":7,"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=\/wp\/v2\/posts\/630\/revisions"}],"predecessor-version":[{"id":660,"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=\/wp\/v2\/posts\/630\/revisions\/660"}],"wp:attachment":[{"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.silicontechnix.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}