isi nfs exports delete ID

[SRK]

Hi Everyone, In a cluster having an export with 100TB with no client access currently.

If I nuke that with "isi nfs exports delete ID" will that affect the cluster performance or load? Please let me know pros/cons.

Thanks for the help,

SRK.

[Anubhav Ahuja]

Nothing will happen to the cluster. You are basically deleting the export sitting on top of a 100TB export. You are not deleting the file system or data inside it.

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Thanks and Regards
Anubhav Ahuja

[Siva SRK]

Thanks Anubhav, Yes deleting only related to data export path similarly like this -- /ifs/data/javapackages-123

directory          /ifs/data/javapackages-123                                                   no  150T   N/A   N/A   100T(+)

hopefully it wont impact of other exports like nfs hung etc.. I never performed this deletes. we situation like cluster was full.

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[Anubhav Ahuja]

If this fs is NOT used by any other clients, it will not impact. Also remember to make sure this path is not synced or snapped. 

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[vijay chauhan]

I doubt there will be any affect as its like you are deleting a smb share and recreating it again so everything should be done within seconds.

You can test on your lab and see results.

Sent from my iPhone

On Apr 22, 2020, at 9:41 PM, SRK <sikri...@gmail.com> wrote:



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[SRK]

Hello Vijay, It's a nfs share

and not syncIQ'ed and not taking snapshots.

Type                 Path                                                                              Snap  Hard  Soft  Advr Usage

-------------------- ------------------------------------------------------------------------------------------------------------------- - 

directory          /ifs/data/packages-123                                                   no  150T   N/A   N/A   100T(+)

Thanks,

SRK

On Wednesday, April 22, 2020 at 7:17:11 PM UTC-7, vijay chauhan wrote:

I doubt there will be any affect as its like you are deleting a smb share and recreating it again so everything should be done within seconds.

You can test on your lab and see results.

Sent from my iPhone

On Apr 22, 2020, at 9:41 PM, SRK <sikri...@gmail.com> wrote:



Hi Everyone, In a cluster having an export with 100TB with no client access currently.

If I nuke that with "isi nfs exports delete ID" will that affect the cluster performance or load? Please let me know pros/cons.

Thanks for the help,

SRK.

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[vijay chauhan]

You can mount using another export from isilon and check on client to see everything is working fine by using new export if it is, delete the old mount point from Isilon as you mentioned that export is not used by any client and go from there.

Sent from my iPhone

On Apr 22, 2020, at 10:20 PM, SRK <sikri...@gmail.com> wrote:



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[SRK]

Thats correct, We have other exports serving same clients. Dev mentioned that "this "  /ifs/data/packages-123 " export not use and also checked last file created around 2019"

need to clear that up for reclaim the space back into cluster.

Is there any way we can see if any clients accessing " /ifs/data/packages-123   " even though Dev told all clients unmounted can not rely   100% on it :) 

Thanks again, Vijay and Anubhav

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[vijay chauhan]

If you want to check live run command netstat -an | egrep -i “2049|Packages-123”

If there are a lot you can use wc -l 

Sent from my iPhone

On Apr 22, 2020, at 10:36 PM, SRK <sikri...@gmail.com> wrote:



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[vijay chauhan]

Sry it might tell which ip on port 2049 is utilizing netstat wont tell which export name. 

If you know which ip addresses are used in that export then it can be helpful. 

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On Apr 22, 2020, at 10:36 PM, SRK <sikri...@gmail.com> wrote:



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[vijay chauhan]

You can try to see nfs export view id

To see which clients are using that export.

Port 2049 can actually tell you list of all exports so disregard that.

Sent from my iPhone

On Apr 22, 2020, at 10:36 PM, SRK <sikri...@gmail.com> wrote:



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[SRK]

Understood but in export policy -- exported to wide open super subnets 

Very hard to trace down which IP in that subnet using that export.

Thanks,

SRK

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[John Beranek - PA]

isi_for_array -s showmount -a |grep javapackages-123

Deleting the NFS export does nothing to the filesystem, so will take no time and have no performance impact.

Deleting the export will free no space, you need to delete the IFS directory to do that, which you can either do with a simple 'rm' on a cluster node, or if you want to do it quicker (job runs in parallel on cluster nodes), with a TreeDelete job.

Cheers,

John

[SRK]

Thank you John.

Thats helpful information.