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тАО06-20-2002 10:29 AM
тАО06-20-2002 10:29 AM
Solved! Go to Solution.
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тАО06-20-2002 10:34 AM
тАО06-20-2002 10:34 AM
Re: lvextend and extendfs on Oracle data filesystems
According to the manual increasing the filesystems is supported with the package up using Online JFS. Decreasing is supported the same way only we are flagged to use caution.
From the MC/ServiceGuard I student book
Goodluck
Chris
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тАО06-20-2002 10:36 AM
тАО06-20-2002 10:36 AM
Re: lvextend and extendfs on Oracle data filesystems
You can do it if you have OnLineJFS installed but I recommend that you backup the filesystem and then do this activity.
Piyush
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тАО06-20-2002 10:36 AM
тАО06-20-2002 10:36 AM
Re: lvextend and extendfs on Oracle data filesystems
Just to be clear the command you would be using is fsadm.
Chris
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тАО06-20-2002 10:38 AM
тАО06-20-2002 10:38 AM
Re: lvextend and extendfs on Oracle data filesystems
There are no problems in extending idf you ahve online JFS installed and working. We even use it for raw fielssytems.
Manoj Srivastava
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тАО06-20-2002 10:40 AM
тАО06-20-2002 10:40 AM
Re: lvextend and extendfs on Oracle data filesystems
With OnlineJFS you can extend the LV and file system with out problem. You may even use sam to do this.
Thanks.
Prashant.
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тАО06-20-2002 10:41 AM
тАО06-20-2002 10:41 AM
Re: lvextend and extendfs on Oracle data filesystems
First, If you are using Online JFS, then you use 'fsadm' to extend the filesystem instead of 'extendfs'.
That said, if you are using Online JFS, then, *yes*, you can 'lvextend' the logical volume and then 'fsadm' the filesystem to its new size, all while the filesystem is in use. Afterall, that's the reason for having the Online JFS components.
If yhou are *not* using Onlie JFS, then, *no*, you cannot do this "online", since you must first ummount the filesystem.
As for MC/ServiceGuard, the size of a logical volume is deduced during its volume group activation, so you need not take your cluster down if this logical volume is part of a shared group.
As with any LVM maintenance, you are cautioned to have adequate backup available.
Regards!
...JRF...
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тАО06-20-2002 10:58 AM
тАО06-20-2002 10:58 AM
SolutionIf you have OnlineJFs you can do this and this should not corrupt your data if you do this online. However if this is a production server, you would like to take a backup, just in case of a mishap.
If you don't have onlineJFS, you'll have to unmount the filesystem and then increase the size.
Hope this helps.
regds