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Deleting a file or folder from ALL snapshots.
I have just moved most of my collection of photos from one folder to another on my PC, as part of my recent 'tidy' project. The PC is backed up regularly to the ReadyNAS system, which does snapshots ...
Certainly I confirmed this on the NAS today (see below).readysecure1985 wrote: Snapshots are read-only, not read-write. Therefore, once a snapshot is taken, it's read-only from that point on.
btrfs has a way to turn snapshots read-write, but doing so will not be supported by NETGEAR and is at your own risk.
http://unix.stackexchange.com/questions ... t-writable
What I find interesting is that you say that is what we should NOT be doing, and then show us how to do it :o.
I'm not a Linux expert, so would not be going down that route anyway.
It's nice to know that someone else might find the facility I am suggesting useful.btaroli wrote:
But on another Linux box, I find all my snapshots are by default read-write. Need to see if I can default that the other way. Given how these are created, they really shouldn't be modifiable. Though it might be handy if some were.
I double checked today and No the snapshots are NOT deletable from the PC, they only appear to be deleted.btaroli wrote: So, BaJohn, I suspect that whatever you are seeing is not coming from the NAS... perhaps something running on the PC is creating those folders you see?
When viewing on the PC, the properties are 'full access' to everyone and if you highlight and delete, it asks "do you want to permanently delete this file - Yes or No"?. When I click yes, the screen refreshes with the file shown as deleted from the snapshot folder. No other messages about it did not happen, or about needing authority or anything.
It seems to me that the PC (Windows 7 Ultimate 64bit) and the NAS (RN516) are NOT talking to each other in the same language, as the NAS knows I cannot delete the snapshot file, BUT the PC thinks it can.
Wierd ay, perhaps it's a case of "Can't see the wood for the B... Trees."
BaJohn wrote: I think you are missing the point.
I can do want I want 'by hand', but it is time consuming and repetitive and prone to error.
When I have to do something more than twice, I look for an automated answer.
Admirable. Ever heard of SSH access and shell scripts? I actually *do* exactly what I described above in different scenarios with media, not for precisely the same purposes as you but with similar effect. I've never perceived this being something more widely useful and have no plans to package it into anything. But shell scripts and cron jobs (if you like automation) are pretty low barriers to entry.
BaJohn wrote: STOP trying to tell me how difficult it is and why I should not want it.
If no one else can see the benefits, then unfortunately I am a lone voice, BUT it does not stop me from seeing it as being advantagous to me.
Perhaps you're confusing me with someone else. I believe the point I made might be paraphrased as "don't try to nicely slice tomato with a paper shredder, but here are some other things you might try." It's perfectly fine if you don't like the possibilities offered, as there is always room for you to create your own.
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