The filesystem is potentially mounted on another node. The success was announced by the following message: /SImg/epic/prd01 is no longer guarded against concurrent mounts. Created by Blog Copyright. Each TSM server has its own virtual tape library. Check This Out
The herald of a failure was announced with: mount: /dev/SImg/epiceve on SImg/epicevent Cannot mount guarded filesystem. Really, as designed? Rahul Khot replied Jul 12, 2012 HI, Run the following command for superblock recover # dd count =1 bs=4 skip=31 seek=1 if /dev/lv00 of /dev/lv00 Top Best Answer 0 Mark this The backup script might need to be modified with the mount -o noguard directive or you may be for a late night wake-up call from operations team. 🙂 Posted in
Log in to reply. You will get something that most likely you have not even asked for. These data file systems that you are having trouble... Just two questions about this: 1) What's the difference between importvg and recreatevg?
mrmzng replied Feb 21, 2013 Hi Mac! to avoid pre-fixing '/fs' , I had to rename VG and the filesystem. In this case the guard state can be temporarily overridden by the "noguard" option to the mount command: # mount -o noguard /mountpoint mount: /dev/fslv34 on /mountpoint: Mount guard override for Problem conclusion After successful unmount, complete cleanup operations in all cases.
done Importing vgorajdeFRppd_0 Cleaning up ... Show: 10 25 50 100 items per page Previous Next Feed for this topic United States English English IBM® Site map IBM IBM Support Check here to start a new Franck Cornaz replied Jul 12, 2012 What you have to do is written in the error message : "Run a full fsck to fix. " So read the man page, then http://www.ibm.com/support/docview.wss?uid=isg1IV59194 My responsibilities are IBM Power Hardware(E850,P780,P770, etc.),IBM AIX,Tivoli Storage Manager,IBM Tape Libraries,Hitachi VSP and IBM DS8100 Storage.Facebook •Twitter•Linkedin• 979 Total Views 2 Views Today 27 August 2015 AIX No comments Emre
If you think, that the second TSM server was not able to mount because the first TSM server already mounted – you are wrong. APAR status Closed as program error. If a filesystem appears to be mounted on another server, and the feature is enabled, AIX will prevent mounting on any other server. SEE THE SOLUTION Me too Reply 0 Kudos Options Bookmark Highlight Print Email to a Friend Report Inappropriate Content bona Re: SMO 3.1/3.2 and AIX PowerHA issues 2012-03-19 02:28 AM FYI,the
Aix - Mount Command
created (original: n6240-1a:/vol/vol_2105_1_OWPPA_data/qt_2105_1_OWPPA_data02/2105_1_OWPPA_data02.lun) .... http://blog.itpub.net/26015009/viewspace-1802664/ Mount Guard is not enabled by default, but is configurable by the system administrator. Aix Mount Top Best Answer 0 Mark this reply as the best answer?(Choose carefully, this can't be changed) Yes | No Saving... To back-up the data, each mirror data is replicated using ShadowImage (IBM equivalent of this technology is called FlashCopy) LUNs.
Are you sure your partition has "filesystem" ? his comment is here Would really appreciate if someone could suggest any solution to avoid this irritating feature . Top Best Answer 0 Mark this reply as the best answer?(Choose carefully, this can't be changed) Yes | No Saving... I bet a dollar that the chfs –a mountguard=no needs another “peer review” session and a followed with a patch.
These failures had identical reasons that were discovered while manually re-creating the backup process….. Document information More support for: AIX family Software version: 6.1, 7.1 Operating system(s): AIX Reference #: T1018853 Modified date: 15 July 2016 Site availability Site assistance Contact and feedback Need support? If mountguard is enabled by the chfs or crfs command, the filesystem cannot be mounted if it appears to be mounted on another node or system. this contact form Tetsuo Ito replied Jul 12, 2012 Sorry type missed.
The solution is very simple : mount -o noguard /echange from man mount : noguard Mount the filesystem regardless of the current mountguard setting which would otherwise guard the filesystem against The filesystem is potentially mounted on another node. 虽然AIX PowerHA可以并发访问多个系统中的卷组，但在多个节点同时mount JFS2文件系统将会造成文件系统损坏。当系统检测到文件系统中的数据或元数据与内存中的文件系统状态冲突时，这些同时mount事件也可能会造成系统崩溃。唯一的例外就是mount只读文件系统，文件或目录不会被改变。 在AIX 7100-01 and 6100-07引入了一个叫作"Mount Guard"的特性用来阻止同进或并发mount相同文件系统。如果一个文件系统已经被mount到另一个节点，那么这个功能就会被启用。AIX将会阻止这个文件系统被mount到其它节点。Mount Guard缺省情况下是没有启用的，但可以通过系统管理员进行配置。但不允许对基本操作系统的文件系统，比如/,/usr,/var等进行设置。 启用Mount Guard 为了对一个文件系统永久启用Mount Guard可以编辑/usr/sbin/chfs: # chfs -a mountguard=yes /mountpoint /mountpoint现在就处于保护状态并阻止并发mount。这个选项也可以在创建文件系统是给crfs使用。 # chfs -a mountguard=no The filesystem is potentially mounted on another node After a system crash the filesystem may still have mount flags enabled and refuse to be mounted.
Local fix Only workaround is to turn mount guard off which is not recommended.
NetApp.com Support Community Training Contact Community turn on suggestions Auto-suggest helps you quickly narrow down your search results by suggesting possible matches Best Regards Top White Papers and Webcasts Popular The Six Questions Every IT Leader Needs to Ask Related Simplified Enterprise Phone Systems 3 Essential Components for a Strong Enduser Security ... Updated on 2012-04-29T17:40:04Z at 2012-04-29T17:40:04Z by SystemAdmin SystemAdmin 110000D4XK 6902 Posts Re: Problem to mount filesystems replicated with EMC Recoverpoint 2012-04-29T17:40:04Z This is the accepted answer. No spaces please The Profile Name is already in use Password Notify me of new activity in this group: Real Time Daily Never Keep me informed of the latest: White Papers
The source of the mountguarded file systems is the cluster not the backup servers. This should not be outputted since the filesystem has been cleanly unmounted and is not mounted on another node. Problem summary On attempting to remount a corrupted filesystem after a clean unmount, an incorrect error message implying that the filesystem is still mounted is displayed if the filesystem has "mount navigate here Larry Macioce Infrastructure Specialist Top Best Answer 0 Mark this reply as the best answer?(Choose carefully, this can't be changed) Yes | No Saving...
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The filesystem is potentially mounted on another node 在系统崩溃后文件系统可能仍然保留了mount启用标识并且拒绝被mount。在这种情况下可以通过有 "noguard"选项的mount命令来临时覆盖文件系统的guard状态。 # mount -o noguard /mountpoint mount: /dev/fslv34 on /mountpoint: Mount guard override for filesystem. This is the accepted answer. Watson Product Search Search None of the above, continue with my search IV59194: INCORRECT MOUNT GUARD ERROR ON REMOUNT OF CORRUPT JFS2 FS APPLIES TO AIX 7100-03 AIX bos.mp184.108.40.206.30 A fix Edits are subject to review by community moderators.
The filesystem is potentially mounted on another node. S data replied Jul 12, 2012 Thanks to all problem has been rectified. I tried both commands and had the same result. 2) Both commands modify the file systems mount point adding them a /fs, for example /data file system become /fs/data Is there Home | Invite Peers | More UNIX Groups Your account is ready.
About Emre Özkan I live in Istanbul/TURKEY and working with Anadolubank.,I am Unix & Backup & Storage Admin in this company. Always respect the original author. These simultaneous mount events can also cause a system crash, when the system detects a conflict between data or metadata in the filesystem and the in-memory state of the filesystem. All product names are trademarks of their respective companies.
This Lv is not raw-device? Is this lv JFS? This has been confusing analysis of root cause in HACMP problems and flash copy problems.