{"id":1337,"date":"2012-09-06T09:56:38","date_gmt":"2012-09-06T01:56:38","guid":{"rendered":"http:\/\/rmohan.com\/?p=1337"},"modified":"2012-09-06T09:56:38","modified_gmt":"2012-09-06T01:56:38","slug":"linux-lvm-multipath","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=1337","title":{"rendered":"LINUX LVM multipath"},"content":{"rendered":"<div dir=\"ltr\">krishbe$ multipath -ll<br \/> mpath2 (360060480000190102091533030453034) dm-2 EMC,SYMMETRIX<br \/> [size=30G][features=0][hwhandler=0][rw]<br \/> \\_ round-robin 0 [prio=2][active]<br \/> \u00a0\\_ 0:0:0:112 sdd 8:48\u00a0 [active][ready]<br \/> \u00a0\\_ 3:0:0:112 sdg 8:96\u00a0 [active][ready]<br \/> mpath1 (360060480000190102091533030453033) dm-1 EMC,SYMMETRIX<br \/> [size=30G][features=0][hwhandler=0][rw]<br \/> \\_ round-robin 0 [prio=2][active]<br \/> \u00a0\\_ 0:0:0:111 sdc 8:32\u00a0 [active][ready]<br \/> \u00a0\\_ 3:0:0:111 sdf 8:80\u00a0 [active][ready]<br \/> mpath0 (360060480000190102091533030303830) dm-0 EMC,SYMMETRIX<br \/> [size=2.8M][features=0][hwhandler=0][ro]<br \/> \\_ round-robin 0 [prio=2][active]<br \/> \u00a0\\_ 0:0:0:0\u00a0\u00a0 sda 8:0\u00a0\u00a0 [active][ready]<br \/> \u00a0\\_ 3:0:0:0\u00a0\u00a0 sdb 8:16\u00a0 [active][ready]<br \/> mpath3 (360060480000190102091533030453035) dm-3 EMC,SYMMETRIX<br \/> [size=30G][features=0][hwhandler=0][rw]<br \/> \\_ round-robin 0 [prio=2][active]<br \/> \u00a0\\_ 0:0:0:113 sde 8:64\u00a0 [active][ready]<br \/> \u00a0\\_ 3:0:0:113 sdh 8:112 [active][ready]<br \/> krishbe$<br \/> krishbe$ inq<br \/> Inquiry utility, Version V7.3-891 (Rev 2.0)\u00a0\u00a0\u00a0\u00a0\u00a0 (SIL Version V6.5.2.0 (Edit Level 891)<br \/> Copyright (C) by EMC Corporation, all rights reserved.<br \/> For help type inq -h.<br \/> &#8230;&#8230;&#8230;&#8230;<br \/> &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/> DEVICE\u00a0\u00a0\u00a0 :VEND\u00a0\u00a0\u00a0 :PROD\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :REV\u00a0\u00a0 :SER NUM\u00a0\u00a0\u00a0 :CAP(kb)<br \/> &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/> \/dev\/sda\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100080000 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2880<br \/> \/dev\/sdb\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100080000 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2880<br \/> \/dev\/sdc\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e03000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/sdd\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e04000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/sde\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e05000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/sdf\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e03000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/sdg\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e04000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/sdh\u00a0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e05000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/dm-0 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100080000 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2880<br \/> \/dev\/dm-1 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e03000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/dm-2 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e04000 :\u00a0\u00a0\u00a0 31200000<br \/> \/dev\/dm-3 :EMC\u00a0\u00a0\u00a0\u00a0 :SYMMETRIX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :5773\u00a0 :9100e05000 :\u00a0\u00a0\u00a0 31200000<br \/> krishbe$<br \/> krishbe$ df -h<br \/> Filesystem\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used Avail Use% Mounted on<br \/> \/dev\/cciss\/c0d0p1\u00a0\u00a0\u00a0\u00a0\u00a0 94G\u00a0 2.2G\u00a0\u00a0 87G\u00a0\u00a0 3% \/<br \/> \/dev\/cciss\/c0d0p3\u00a0\u00a0\u00a0\u00a0\u00a0 19G\u00a0 173M\u00a0\u00a0 18G\u00a0\u00a0 1% \/var\/crash<br \/> tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32G\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0 32G\u00a0\u00a0 0% \/dev\/shm<br \/> krishbe$<br \/> krishbe$ cat \/proc\/partitions<br \/> major minor\u00a0 #blocks\u00a0 name<br \/> \u00a0104\u00a0\u00a0\u00a0\u00a0 0\u00a0 143338560 cciss\/c0d0<br \/> \u00a0104\u00a0\u00a0\u00a0\u00a0 1\u00a0 100759648 cciss\/c0d0p1<br \/> \u00a0104\u00a0\u00a0\u00a0\u00a0 2\u00a0\u00a0 20161575 cciss\/c0d0p2<br \/> \u00a0104\u00a0\u00a0\u00a0\u00a0 3\u00a0\u00a0 20161575 cciss\/c0d0p3<br \/> \u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2880 sda<br \/> \u00a0\u00a0 8\u00a0\u00a0\u00a0 16\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2880 sdb<br \/> \u00a0253\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2880 dm-0<br \/> \u00a0\u00a0 8\u00a0\u00a0\u00a0 32\u00a0\u00a0 31200000 sdc<br \/> \u00a0\u00a0 8\u00a0\u00a0\u00a0 48\u00a0\u00a0 31200000 sdd<br \/> \u00a0\u00a0 8\u00a0\u00a0\u00a0 64\u00a0\u00a0 31200000 sde<br \/> \u00a0253\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0 31200000 dm-1<br \/> \u00a0253\u00a0\u00a0\u00a0\u00a0 2\u00a0\u00a0 31200000 dm-2<br \/> \u00a0253\u00a0\u00a0\u00a0\u00a0 3\u00a0\u00a0 31200000 dm-3<br \/> \u00a0\u00a0 8\u00a0\u00a0\u00a0 80\u00a0\u00a0 31200000 sdf<br \/> \u00a0\u00a0 8\u00a0\u00a0\u00a0 96\u00a0\u00a0 31200000 sdg<br \/> \u00a0\u00a0 8\u00a0\u00a0 112\u00a0\u00a0 31200000 sdh<br \/> krishbe$<\/p>\n<p> krishbe$ fdisk \/dev\/sdc<br \/> Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel<br \/> Building a new DOS disklabel. Changes will remain in memory only,<br \/> until you decide to write them. After that, of course, the previous<br \/> content won&#8217;t be recoverable.<\/p>\n<p> The number of cylinders for this disk is set to 30468.<br \/> There is nothing wrong with that, but this is larger than 1024,<br \/> and could in certain setups cause problems with:<br \/> 1) software that runs at boot time (e.g., old versions of LILO)<br \/> 2) booting and partitioning software from other OSs<br \/> \u00a0\u00a0 (e.g., DOS FDISK, OS\/2 FDISK)<br \/> Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)<br \/> Command (m for help): m<br \/> Command action<br \/> \u00a0\u00a0 a\u00a0\u00a0 toggle a bootable flag<br \/> \u00a0\u00a0 b\u00a0\u00a0 edit bsd disklabel<br \/> \u00a0\u00a0 c\u00a0\u00a0 toggle the dos compatibility flag<br \/> \u00a0\u00a0 d\u00a0\u00a0 delete a partitionn<br \/> \u00a0\u00a0 l\u00a0\u00a0 list known partition types<br \/> \u00a0\u00a0 m\u00a0\u00a0 print this menu<br \/> \u00a0\u00a0 n\u00a0\u00a0 add a new partition<br \/> \u00a0\u00a0 o\u00a0\u00a0 create a new empty DOS partition table<br \/> \u00a0\u00a0 p\u00a0\u00a0 print the partition table<br \/> \u00a0\u00a0 q\u00a0\u00a0 quit without saving changes<br \/> \u00a0\u00a0 s\u00a0\u00a0 create a new empty Sun disklabel<br \/> \u00a0\u00a0 t\u00a0\u00a0 change a partition&#8217;s system id<br \/> \u00a0\u00a0 u\u00a0\u00a0 change display\/entry units<br \/> \u00a0\u00a0 v\u00a0\u00a0 verify the partition table<br \/> \u00a0\u00a0 w\u00a0\u00a0 write table to disk and exit<br \/> \u00a0\u00a0 x\u00a0\u00a0 extra functionality (experts only)<br \/> Command (m for help): n<br \/> Command action<br \/> \u00a0\u00a0 e\u00a0\u00a0 extended<br \/> \u00a0\u00a0 p\u00a0\u00a0 primary partition (1-4)<br \/> p<br \/> Partition number (1-4): 1<br \/> First cylinder (1-30468, default 1):<br \/> Using default value 1<br \/> Last cylinder or +size or +sizeM or +sizeK (1-30468, default 30468):<br \/> Using default value 30468<br \/> Command (m for help): t<br \/> Selected partition 1<br \/> Hex code (type L to list codes): 8e<br \/> Changed system type of partition 1 to 8e (Linux LVM)<br \/> Command (m for help): w<br \/> The partition table has been altered!<br \/> Calling ioctl() to re-read partition table.<br \/> Syncing disks.<br \/> krishbe$<br \/> krishbe$ fdisk -l \/dev\/sdc<br \/> Disk \/dev\/sdc: 31.9 GB, 31948800000 bytes<br \/> 64 heads, 32 sectors\/track, 30468 cylinders<br \/> Units = cylinders of 2048 * 512 = 1048576 bytes<br \/> \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<br \/> \/dev\/sdc1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 30468\u00a0\u00a0\u00a0 31199216\u00a0\u00a0 8e\u00a0 Linux LVM<br \/> krishbe$<br \/> krishbe$ pvcreate \/dev\/mapper\/mpath1p1<br \/> \u00a0 Physical volume &#8220;\/dev\/mapper\/mpath1p1&#8221; successfully created<br \/> krishbe$<br \/> krishbe$ pvdisplay<br \/> \u00a0 &#8220;\/dev\/dm-5&#8221; is a new physical volume of &#8220;29.75 GB&#8221;<br \/> \u00a0 &#8212; NEW Physical volume &#8212;<br \/> \u00a0 PV Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/dm-5<br \/> \u00a0 VG Name<br \/> \u00a0 PV Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 29.75 GB<br \/> \u00a0 Allocatable\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NO<br \/> \u00a0 PE Size (KByte)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 Total PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 Free PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 Allocated PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 PV UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 EQ0kuR-zH2V-zSMt-QAEQ-Egkc-GSMg-3nUEP1<br \/> krishbe$<br \/> krishbe$ vgcreate prdsnacdg \/dev\/mapper\/mpath1p1<br \/> \u00a0 \/dev\/sda: open failed: Read-only file system<br \/> \u00a0 Attempt to close device &#8216;\/dev\/sda&#8217; which is not open.<br \/> \u00a0 \/dev\/sde: open failed: Read-only file system<br \/> \u00a0 Attempt to close device &#8216;\/dev\/sde&#8217; which is not open.<br \/> \u00a0 Volume group &#8220;prdsnacdg&#8221; successfully created<br \/> krishbe$<br \/> krishbe$ vgdisplay<br \/> \u00a0 &#8212; Volume group &#8212;<br \/> \u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 prdsnacdg<br \/> \u00a0 System ID<br \/> \u00a0 Format\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2<br \/> \u00a0 Metadata Areas\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1<br \/> \u00a0 Metadata Sequence No\u00a0 1<br \/> \u00a0 VG Access\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 read\/write<br \/> \u00a0 VG Status\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 resizable<br \/> \u00a0 MAX LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 Cur LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 Open LV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 Max PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 Cur PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1<br \/> \u00a0 Act PV\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1<br \/> \u00a0 VG Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 29.75 GB<br \/> \u00a0 PE Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.00 MB<br \/> \u00a0 Total PE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7616<br \/> \u00a0 Alloc PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 \/ 0<br \/> \u00a0 Free\u00a0 PE \/ Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7616 \/ 29.75 GB<br \/> \u00a0 VG UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 JRt2Gv-bx2q-Oo5A-BsET-ifmZ-vxOm-6MMZYc<br \/> krishbe$<br \/> krishbe$ lvcreate -L 20g -n localvol prdsnacdg<br \/> \u00a0 Logical volume &#8220;localvol&#8221; created<br \/> krishbe$<br \/> krishbe$ lvcreate -L 9.5g -n appsvol prdsnacdg<br \/> \u00a0 Logical volume &#8220;appsvol&#8221; created<br \/> krishbe$<\/p>\n<p> krishbe$ lvdisplay<br \/> \u00a0 &#8212; Logical volume &#8212;<br \/> \u00a0 LV Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/prdsnacdg\/localvol<br \/> \u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 prdsnacdg<br \/> \u00a0 LV UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ilDOiV-RqKO-7k7g-uUOQ-CMxQ-scCE-QbtJm3<br \/> \u00a0 LV Write Access\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 read\/write<br \/> \u00a0 LV Status\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 available<br \/> \u00a0 # open\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 LV Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20.00 GB<br \/> \u00a0 Current LE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5120<br \/> \u00a0 Segments\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1<br \/> \u00a0 Allocation\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 inherit<br \/> \u00a0 Read ahead sectors\u00a0\u00a0\u00a0\u00a0 auto<br \/> \u00a0 &#8211; currently set to\u00a0\u00a0\u00a0\u00a0 256<br \/> \u00a0 Block device\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 253:7<br \/> \u00a0 &#8212; Logical volume &#8212;<br \/> \u00a0 LV Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/prdsnacdg\/appsvol<br \/> \u00a0 VG Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 prdsnacdg<br \/> \u00a0 LV UUID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 FC0KCA-SYgT-pRzE-TUU8-GUqm-zoQu-kd5QGL<br \/> \u00a0 LV Write Access\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 read\/write<br \/> \u00a0 LV Status\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 available<br \/> \u00a0 # open\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/> \u00a0 LV Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9.50 GB<br \/> \u00a0 Current LE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2432<br \/> \u00a0 Segments\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1<br \/> \u00a0 Allocation\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 inherit<br \/> \u00a0 Read ahead sectors\u00a0\u00a0\u00a0\u00a0 auto<br \/> \u00a0 &#8211; currently set to\u00a0\u00a0\u00a0\u00a0 256<br \/> \u00a0 Block device\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 253:8<br \/> krishbe$<\/p>\n<p> krishbe$ mkfs -t ext3 \/dev\/prdsnacdg\/localvol<br \/> mke2fs 1.39 (29-May-2006)<br \/> Filesystem label=<br \/> OS type: Linux<br \/> Block size=4096 (log=2)<br \/> Fragment size=4096 (log=2)<br \/> 2621440 inodes, 5242880 blocks<br \/> 262144 blocks (5.00%) reserved for the super user<br \/> First data block=0<br \/> Maximum filesystem blocks=4294967296<br \/> 160 block groups<br \/> 32768 blocks per group, 32768 fragments per group<br \/> 16384 inodes per group<br \/> Superblock backups stored on blocks:<br \/> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,<br \/> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4096000<br \/> Writing inode tables: done<br \/> Creating journal (32768 blocks): done<br \/> Writing superblocks and filesystem accounting information: done<br \/> This filesystem will be automatically checked every 27 mounts or<br \/> 180 days, whichever comes first.\u00a0 Use tune2fs -c or -i to override.<br \/> bash-3.2# mkfs -t ext3 \/dev\/prdsnacdg\/appsvol<br \/> mke2fs 1.39 (29-May-2006)<br \/> Filesystem label=<br \/> OS type: Linux<br \/> Block size=4096 (log=2)<br \/> Fragment size=4096 (log=2)<br \/> 1245184 inodes, 2490368 blocks<br \/> 124518 blocks (5.00%) reserved for the super user<br \/> First data block=0<br \/> Maximum filesystem blocks=2550136832<br \/> 76 block groups<br \/> 32768 blocks per group, 32768 fragments per group<br \/> 16384 inodes per group<br \/> Superblock backups stored on blocks:<br \/> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632<br \/> Writing inode tables: done<br \/> Creating journal (32768 blocks): done<br \/> Writing superblocks and filesystem accounting information: done<br \/> This filesystem will be automatically checked every 24 mounts or<br \/> 180 days, whichever comes first.\u00a0 Use tune2fs -c or -i to override.<br \/> krishbe$<br \/> krishbe$ mkdir \/apps\/oracle<br \/> krishbe$ mkdir \/local\/oracle<\/p>\n<p> krishbe$ cat \/etc\/fstab<br \/> LABEL=\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ext3\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 1<br \/> LABEL=\/var\/crash\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/var\/crash\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ext3\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 2<br \/> tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/shm\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 tmpfs\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 0<br \/> devpts\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/pts\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 devpts\u00a0 gid=5,mode=620\u00a0 0 0<br \/> sysfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/sys\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 sysfs\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 0<br \/> proc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/proc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 proc\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 0<br \/> LABEL=SW-cciss\/c0d0p2\u00a0\u00a0 swap\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 swap\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 0<br \/> \/dev\/prdsnacdg\/localvol \/local\/oracle\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ext3\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 2<br \/> \/dev\/prdsnacdg\/appsvol\u00a0 \/apps\/oracle\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ext3\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 2<br \/> krishbe$<br \/> krishbe$ mount -a<br \/> krishbe$ df -h<br \/> Filesystem\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used Avail Use% Mounted on<br \/> \/dev\/cciss\/c0d0p1\u00a0\u00a0\u00a0\u00a0\u00a0 94G\u00a0 2.2G\u00a0\u00a0 87G\u00a0\u00a0 3% \/<br \/> \/dev\/cciss\/c0d0p3\u00a0\u00a0\u00a0\u00a0\u00a0 19G\u00a0 173M\u00a0\u00a0 18G\u00a0\u00a0 1% \/var\/crash<br \/> tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32G\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0 32G\u00a0\u00a0 0% \/dev\/shm<br \/> \/dev\/mapper\/prdsnacdg-localvol<br \/> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20G\u00a0 173M\u00a0\u00a0 19G\u00a0\u00a0 1% \/local\/oracle<br \/> \/dev\/mapper\/prdsnacdg-appsvol<br \/> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9.4G\u00a0 150M\u00a0 8.8G\u00a0\u00a0 2% \/apps\/oracle<br \/> krishbe$<\/div>\n","protected":false},"excerpt":{"rendered":"<p>krishbe$ multipath -ll mpath2 (360060480000190102091533030453034) dm-2 EMC,SYMMETRIX [size=30G][features=0][hwhandler=0][rw] \\_ round-robin 0 [prio=2][active] \\_ 0:0:0:112 sdd 8:48 [active][ready] \\_ 3:0:0:112 sdg 8:96 [active][ready] mpath1 (360060480000190102091533030453033) dm-1 EMC,SYMMETRIX [size=30G][features=0][hwhandler=0][rw] \\_ round-robin 0 [prio=2][active] \\_ 0:0:0:111 sdc 8:32 [active][ready] \\_ 3:0:0:111 sdf 8:80 [active][ready] mpath0 (360060480000190102091533030303830) dm-0 EMC,SYMMETRIX [size=2.8M][features=0][hwhandler=0][ro] \\_ round-robin 0 [prio=2][active] \\_ 0:0:0:0 sda 8:0 [active][ready] [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1337"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1337"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1337\/revisions"}],"predecessor-version":[{"id":1338,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1337\/revisions\/1338"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}