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Expanding ISCSI LUN shared drive

PostPosted: Wed Mar 18, 2020 10:26 pm
by scotrod
Hello,

I have a shared 200gb shared ISCSI LUN device over the network that is attached to a hyper-v virtual machine which hosts svn server... I don'have anymore space on that drive and I'd like to expand it using the adm tools. Is there any guide on how to proceed safely since the data inside is very important?

My plan is to:
1. Detach the drive.
2. Make a LUN snapshot (I suppose 200gb will take some time to do so)
3. Expand it to 1tb
4. Attach the now bigger drive again

Am I thinking straight?

Re: Expanding ISCSI LUN shared drive

PostPosted: Thu Mar 19, 2020 10:31 am
by orion
That's right. I can actually do snapshot when LUN is still mounted. But it's much safer to do snapshot when umounted.

Re: Expanding ISCSI LUN shared drive

PostPosted: Thu Mar 19, 2020 5:04 pm
by scotrod
orion wrote:That's right. I can actually do snapshot when LUN is still mounted. But it's much safer to do snapshot when umounted.


Thanks! Is there calculator or estimated time on how long will the snapshot take to do so? There are a lot of little files nurking in there....

Re: Expanding ISCSI LUN shared drive

PostPosted: Thu Mar 19, 2020 6:00 pm
by orion
I actually do not use iSCSI LUN. I just tried it before.
Based on my understanding, snapshot should be very quick, within a few seconds. It is not copy.