Device is already labeled for asm disk

Author: hfgl

August undefined, 2024

WebAlthough you can specify a logical volume as a device in an Oracle ASM disk group, Oracle does not recommend their use because it adds a layer of complexity that is unnecessary with Oracle ASM. ... However, because ASMLIB recognizes that these disks have already been labeled with the /dev/mapper/multipath string values, it ignores these disks ... WebI wanted to re-create the ASM instance. I deleted all data and used oracleasm deletedisk to remove the devices. For some reason oracleasm will not register any of the disks again. # oracleasm createdisk /dev/sdb VOL1 Disk label "/dev/sdb" contains an invalid character I tried dd, gparted and other tools to change the data.

ORACLE-BASE - ASM using ASMLib and Raw Devices

WebFeb 22, 2014 · After the header has been written over with zeroes, you can then add the disk via the createdisk command: [root@ip-10-234-66-103 ~]# oracleasm createdisk DATA0 /dev/xvdc1 Writing disk header: done Instantiating disk: done [root@ip-10-234-66-103 … diary\u0027s 86

How to map Oracle ASM Disk against Physical Disk and LUNs in …

WebJan 20, 2014 · It shows me the label DISK1. So clearing the ASM disk header using dd left some junks. Share. Improve this answer. Follow answered Jan 20, 2014 at 12: ... Disk … WebMar 19, 2015 · If you are using ASMLib for configure ASM Disks, then you can use following steps for define which device mapped which ASM Disk. As you know, oracleasm listdisks is return only ASM disk names. [grid@oel62-rac1 ~]$ oracleasm listdisks ASMDISK01 ASMDISK02 ASMDISK03 ASMDISK04 ASMDISK05 [grid@oel62-rac1 ~]$. If you want … WebMay 5, 2024 · Device "/dev/mapper/mpath_lxmdpsdx01_02_07_08_db_51" is already labeled for ASM disk "FRADISK1_01" So this says the disk is already labelled as … diary\\u0027s 8f

All things you should know about Oracle ASM disks - Techgoeasy

ASM disks to physical disks — oracle-tech

WebNov 20, 2024 · As for raw device access under Linux, raw devices are no longer relevant to avoid kernel I/O device buffering since Oracle 10g, which opens datafiles with o_direct flag. Keep in mind that ASM is a logical volume manager populating metadata to the Oracle instance SGA, but as such it is not in the physical I/O path. WebOnce the ASM instance is created, you are presented with the "ASM Disk Groups" screen. Click the "Create New" button. On the "Create Disk Group" screen, enter Disk Group Name of "DATA" and select the required level of redundancy: External - … diary\u0027s 8eWebMar 22, 2024 · Older versions may not have the -p option and they display only the major and minor numbers which you can use to find the physical disk: Mapping ASM disks to Physical Devices. Example: [root@orcldb2 ~]# /etc/init.d/oracleasm querydisk VOL1 Disk "VOL1" is a valid ASM disk on device [8, 97] [root@orcldb2 ~]# ls -l /dev grep 8, grep … diary\\u0027s 8h

"WebDec 10, 2011 · Reloading disk partitions: done Cleaning any stale ASM disks... Scanning system for ASM disks.. I documented my steps from my implementation, and I am 100% sure I got everything up and running. I checked /var/log oracleasm message, it said: oracleasm-read-label: Unable to open device "/dev/dm-1": No such file or directory … " - Device is already labeled for asm disk

Device is already labeled for asm disk

WebJan 20, 2014 · It shows me the label DISK1. So clearing the ASM disk header using dd left some junks. Share. Improve this answer. Follow answered Jan 20, 2014 at 12: ... Disk defines an unmarked device. Dropping disk: done. And repeat on each cluster node, if so. Share. Improve this answer. Follow WebApr 19, 2024 · asmcmd afd_label MGMT2 /dev/xvdg1 No devices to be labeled. ASMCMD-9513: ASM disk label set operation failed. asmcmd afd_label MGMT2 /dev/xvdg1 - …

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WebMy ASM DISKGROUP is not able to mount as few of the asm label are missing for few of the disks. Example: labels for /dev/siob1 to siob7 are missing due to some reasons. ... This is why ASMLIB relies on information stored in the disk header and not device names. You better find out what is wrong with the devices. If there is a hardware problem ... WebJun 21, 2024 · However, when I attempted to create the disk I got the error: root@10-118-134-71:/root # /usr/sbin/oracleasm createdisk DBVOT /dev/bqdx1 Device "/dev/bqdx1" is already labeled for ASM disk "DBVOT" I then attempted to drop the disk group

Web2 Troubleshooting: By looking at the/etc/blkid/blkid.tab file, you can see that the device/dev/sdf1 is already an ASM disk, but the ASM volume label is empty. WebAug 25, 2024 · In the Configure ASM: Disk Groups dialog box, click the Create button, and then click Show Advanced Options. In the Create Disk Group dialog box: Enter the disk group name DATA. Under Select Member Disks, select ORCL_DATA and ORCL_DATA1. Under Allocation Unit Size, select 4. Click ok to create the disk group. Click ok to close …

Weboracleasm createdisk VOL1 /dev/sda1. Use the createdisk option to mark a disk device for use with the Oracle Automatic Storage Management library driver and give it a name, … WebMar 16, 2016 · - Action: Ensure that the specified ASM label is correctly stamped on a shared device on the node specified and that the labeled devices are accessible to …

WebJun 3, 2010 · Hi Friends, disk creation using the ASMLIB I want to know which disk is named as VOL1,VOL2,VOL3 etc,. from operating system LINUX .

WebDec 8, 2015 · - Action: Ensure that the specified ASM label is correctly stamped on a shared device on the node specified and that the labeled devices are accessible to current user. To verify the label to disk mapping use tools ''Asmtoolg'' on Windows operating system platforms and ''oracleasm'' on the Linux operating system platform." diary\u0027s 8fWebOct 16, 2024 · but after the server reboot, the ASM disk missing, and only 1 disk appear in /dev/oracleasm/disks folder. ls /dev/oracleasm/disks/ MD3000. When I try to recreate the … diary\u0027s 8hWebSep 10, 2024 · You might have already come across ASM, Device Mapper Multipathing (DM-Multipathing) if you are working quit long time as a Linux administrator. ... [253, 1] Disk "ASM_Disk2" is a valid Disk on device [253, 2] Disk "ASM_Disk3" is a valid Disk on device [253, 3] Disk "ASM_Disk4" is a valid Disk on device [253, 4] Disk "ASM_Disk5" is a … diary\u0027s 8gWebDec 1, 2024 · However, when you use one of /dev/sd* device name to access the disk and the path is disconnected because of any reason, you will loose the device access. Instead, if /dev/mapper/mpathb is used to access the disk, the disk is available until all four paths have problem at same time. cities with two cathedrals ukWebNov 28, 2024 · Hi, >> On Node1 and Node2 # oracleasm querydisk /dev/sd[b-h]1. Device "/dev/sdb1" is marked an ASM disk with the label "VOL1"Device "/dev/sdc1" is marked … cities with tightest rental marketsWebOct 21, 2014 · Device "XXX" is already labeled for ASM disk. bigclouder 于 2014-10-21 09:42:26 发布 1746 收藏. 分类专栏：操作系统. 版权. 操作系统专栏收录该内容. 42 篇文 … cities with two football teamsWebTo get around this problem, it is necessary to overwrite the ASM header information on the disk. This can be achieved with the UNIX command dd. The following command will write 100x1024b blocks to the specified raw device: dd if=/dev/zero of= bs=1024 count=100 Now if we retry the create disk commands, they should work: diary\\u0027s 8i