Question

Hi all,

 

i've setup my XPEnology on HP Microserver Gen8 which is running ESXi 6.5 u2.

 

I provisioned my data drive at 1.5 TB, but now i'm running out of diskspace.

Can i extend this disk to 2 TB (using 2 * 3TB disk in ESXi) easily in DSM?

Or is the best way to create a second disk (0.5 TB) and add this disk to XPEnonlgy (DSM)?

 

thanks in advance for the answers!

 

MAdD

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if you just have a basic disk in dsm then your way without backup/restore to a new bigger virtual disk would be going over to JBOD mode where disks are just chained (no redundancy like the basic disk), the equivalent to that on a normal linux might be lvm volume with 2 (different) disks, after "glueing" the partitions together as one the file system can be extended to use the newly added space (dsm does that as JBOD mode)

 

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If you are not using DSM to provide storage redundancy, why are you using it in the first place vs. a Linux fileshare or Docker host?

 

You could theoretically use vSAN to achieve redundancy in the VMWare space (again DSM seems useless at that point).

 

Like IG-88 says, you can provision on two datastores and the JBOD them together in DSM, but there is no redundancy.

 

If you have a 1.5TB volume on a 3TB datastore, and you want a 2TB volume on a 3TB datastore, it's not difficult to add space to your VMDK, then use mdadm and btrfs/ext tools to expand the disk from command line.

 

Another option is to create 2TB VMDK on the 2nd 3TB datastore, convert the volume to a RAID1, expand the 1.5TB VMDK to 2TB, repair which will automatically expand the volume, then drop the member on the 2nd datastore.  You will then have a "critical" RAID1 which is the same as a Basic volume, you then can get rid of the error message with mdadm --grow -n 1 --force /dev/mdX

 

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