<br> If I am not mistaken, Veritas Storage Foundation can do. It can also do online resize. But I am not a Veritas expert, feel free to correct me.<br><br>From a whitepaper:<br><br>FlashSnap™, a feature of Veritas Storage<br>Foundation Cluster File System, can create point-in-time<br>copies of production information (either at the volume or<br>file system level)<br><br> I dont know if LVM2 can do a snapshot in a clustered environment, but since OCFS2 is journaled, you can probably remount a snapshot without data loss. One could put the database in backup mode and take a snapshot.<br><br>Regards,<br>Luis<br><br><b><i>Alexei_Roudnev <Alexei_Roudnev@exigengroup.com></i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> I dont knoiw any lvm technology which can make a snapshort in clustered <br>environment, so better forget this idea.<br><br>Recommended method to do
oracle backups is rman. Any violation of this <br>brings you into the swamp of possible oracle bugs.<br><br><br>----- Original Message ----- <br>From: "Jordi Prats" <jprats@cesca.es><br>To: "Riccardo Paganini" <riccardo.paganini@solveit.it><br>Cc: <ocfs2-users@oss.oracle.com><br>Sent: Monday, October 08, 2007 11:20 AM<br>Subject: Re: [Ocfs2-users] OCF2 and LVM<br><br><br>> Hi,<br>> I'm not an expert on oracle, but I don't think using a snapshot is a <br>> recommended backup solution. You should use data pump or exp utilities to <br>> backup your database.<br>><br>> To extend your fs, tune2fs.ocfs2 requires you to umount it, according to <br>> it's man page:<br>><br>> ==<br>> tunefs.ocfs2 is used to adjust OCFS2 file system parameters on disk. In <br>> order to prevent data loss, tunefs.ocfs2 will not perform any action <br>> on the specified device if it is mounted on any node in the cluster. This <br>> tool requires the O2CB
cluster to be online.<br>> ==<br>><br>> The concrete command should be: tune2fs.ocfs2 -S /dev/LVM_volume<br>><br>> I don't know if there's any way to extend it without umounting it.<br>><br>> If you want to extend your fs without umounting it you should use ASM <br>> instead of OCFS2.<br>><br>> regards,<br>> Jordi<br>><br>> Riccardo Paganini wrote:<br>>> Does anybody knows if is there a certified procedure in to backup a RAC <br>>> DB 10.2.0.3 based on OCFS2 ,<br>>> via split mirror or snaphots technology ?<br>>><br>>><br>>> Using Linux LVM and OCFS2, does anybody knows if is possible to <br>>> dinamically extend an OCFS filesystem,<br>>> once the underlying LVM Volume has been extended ?<br>>><br>>> Thanks in advance<br>>> Riccardo Paganini<br>>><br>>> _______________________________________________<br>>> Ocfs2-users mailing list<br>>>
Ocfs2-users@oss.oracle.com<br>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users<br>>><br>>><br>><br>> _______________________________________________<br>> Ocfs2-users mailing list<br>> Ocfs2-users@oss.oracle.com<br>> http://oss.oracle.com/mailman/listinfo/ocfs2-users<br>> <br><br><br>_______________________________________________<br>Ocfs2-users mailing list<br>Ocfs2-users@oss.oracle.com<br>http://oss.oracle.com/mailman/listinfo/ocfs2-users<br></ocfs2-users@oss.oracle.com></riccardo.paganini@solveit.it></jprats@cesca.es></blockquote><br><p> 
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