I think it can do it now. Could not do it on the older versions.
----- Original Message -----
From: Luis Freitas
To: [email protected]
Sent: Tuesday, October 09, 2007 6:25 AM
Subject: Re: [Ocfs2-users] OCF2 and LVM
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.
From a whitepaper:
FlashSnapT, a feature of Veritas Storage
Foundation Cluster File System, can create point-in-time
copies of production information (either at the volume or
file system level)
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.
Regards,
Luis
Alexei_Roudnev <[EMAIL PROTECTED]> wrote:
I dont knoiw any lvm technology which can make a snapshort in clustered
environment, so better forget this idea.
Recommended method to do oracle backups is rman. Any violation of this
brings you into the swamp of possible oracle bugs.
----- Original Message -----
From: "Jordi Prats"
To: "Riccardo Paganini"
Cc:
Sent: Monday, October 08, 2007 11:20 AM
Subject: Re: [Ocfs2-users] OCF2 and LVM
> Hi,
> I'm not an expert on oracle, but I don't think using a snapshot is a
> recommended backup solution. You should use data pump or exp utilities to
> backup your database.
>
> To extend your fs, tune2fs.ocfs2 requires you to umount it, according to
> it's man page:
>
> ==
> tunefs.ocfs2 is used to adjust OCFS2 file system parameters on disk. In
> order to prevent data loss, tunefs.ocfs2 will not perform any action
> on the specified device if it is mounted on any node in the cluster. This
> tool requires the O2CB cluster to be online.
> ==
>
> The concrete command should be: tune2fs.ocfs2 -S /dev/LVM_volume
>
> I don't know if there's any way to extend it without umounting it.
>
> If you want to extend your fs without umounting it you should use ASM
> instead of OCFS2.
>
> regards,
> Jordi
>
> Riccardo Paganini wrote:
>> Does anybody knows if is there a certified procedure in to backup a RAC
>> DB 10.2.0.3 based on OCFS2 ,
>> via split mirror or snaphots technology ?
>>
>>
>> Using Linux LVM and OCFS2, does anybody knows if is possible to
>> dinamically extend an OCFS filesystem,
>> once the underlying LVM Volume has been extended ?
>>
>> Thanks in advance
>> Riccardo Paganini
>>
>> _______________________________________________
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>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>
>>
>
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