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#1 Re: General matters » backup to subfolder on same datastore as VMs reside » 2017-11-22 16:58:22

chaos_prevails

Hello,
thank you, and I got the black Friday discount per mail smile

However, this should be a simple solution without much configuration or features (oneDiff, etc). It has to be robust and secure in our environment (thus alas, no NFS).

2 of the to backup VMs will be on the other "fast" R10 datastore, the 2 remaining VMs (in total ~200GB) will be backed up to the same R5 datastore .

BTW it's a HP DL360 G6 with 4xSAS R10 and 4x SATA R5

#2 General matters » backup to subfolder on same datastore as VMs reside » 2017-11-22 12:15:36

chaos_prevails
Replies: 3

Dear forum,

I have a ESXi 6.0 Server with two datastores, both used for VMs.

I'm in a network used by other companies (+network infrastructure is out of my control) so I don't want to use NFS (krb5p is not supported yet, not even by esxi 6.5). I looked into ssh tunneling NFS but there seem to be some pitfalls (locking, localhost forward) and performance issues.

I also don't want to use rsync because I would need to give away root access to the backup server (login with public/private key). Also network outages could leave my VMs with unused snapshots which I would need to consolidate afterwards.

So my plan is to:
1) backup to a subfolder on the local datastore (Raid 5) where some VMs are running
2) have a constant sshfs connection from the backup server to the datastore-subfolder and copy the backed-up VMs to the backup server via a cronjob at the backup server.
3) limit backup amount with backup-room so I don't fill up the datastore

Beside the increased disk write use during backup (only once weekly, it's disaster backup; file-based backup is done differently), is there something gravely speaking against it?

To put it in perspective: it's a total of 4 VMs to back up (2x Windows, 2x Linux, in total not quite 400GB). Probably I need to add another VM sometime next year

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