RAC with NFS without ASM
Hi all,
I've reinstalled my RAC test cluster. I'm always using my netapp for sharing files. RAC and Oracle sw are installed locally on both nodes, and now when I'm creating new instance the only option available is to use ASM.
But there's a way not to use ASM? for me it's enagh to use normal files.
Thanks
Stefano
Stefano,
I am assuming that you are using DBCA, if yes, on the seventh or eight screen it asks to select a storage mechanism and it gives you three options: -1) Cluster File System, 2) ASM and 3) Raw devices.
In you case you have to select the option 1) since you are planning to use NetApps filer.
HTH
Thanks
Chandra Pabba
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Thanks in advance.Check more information about the difference between OCFS and ASM in metalink doc
Automatic Storage Management (ASM) and Oracle Cluster File System (OCFS) in Oracle10g
Doc ID: Note:255359.1
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Hi,
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Clusterware - 10g R2
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Installing oracle 11.2 rac with IBM Storwize V7000 san with aix 6.1
Has and one deployed 11g rac with IBM Storwize V7000 san with aix 6.1
Is this possible using Oracle CRS without going for OS cluster like GPFSHi lbn76,
Has and one deployed 11g rac with IBM Storwize V7000 san with aix 6.1
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Hello All,
I have couple of questions -
We have enterprise edition database..
1. Can we go with 11gR2 RAC without ASM?
2. Can i use LUN's for RAC?
Please let me know.user8302436 wrote:
We have enterprise edition database..
1. Can we go with 11gR2 RAC without ASM?Yes. But it would be plain stupid IMO. Like racing a superbike and deciding to not wear a helmet, kneepads and safety gear.
ASM only has advantages. It would very foolish to throw these out of the window. If you do - well, then you will likely stuff up the rest of the RAC architecture too, like using a 100Mbit Ethernet for the Interconnect, decide that private switches for the Interconnect is not worth it and so on.
And then blame the lack of robustness and performance of that RAC cluster on Oracle?
2. Can i use LUN's for RAC? Of course. ASM/Oracle does not care what the actual device is. It can be scsi target device. It can be a LUN made visible via EMC's Powerpath or Linux's Multipath. It can be character bound raw devices. Etc.
The kernel and driver stack deals with the technical side of that device - and that device (LUN or whatever) is then made visible to application s/w (like ASM and the Oracle RDBMS). This software uses the standard I/O interface of the kernel for reading from and writing to that device.
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