Other images crashes too when the share was previously connected but it isnt anymore?
Feature Request
Re: Feature Request #61
Posted 25 July 2014 - 17:28
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Re: Feature Request #62
Posted 26 July 2014 - 10:12
It has nothing to do with the image bit with the linux kernel.
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
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Re: Feature Request #63
Posted 26 July 2014 - 11:01
so small chances for a fix
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Re: Feature Request #64
Posted 26 July 2014 - 12:15
In other words, not much we can do to really fix the issue.
On the other hand, the real problem is the disappearance of the server, not the hanging of the client. Would you expect to be able to remove a real harddisk from your STB, while it is on and running, without consequences?
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
Ik lees geen PM -> als je iets te vragen of te melden hebt, doe het op het forum, zodat anderen er ook wat aan hebben.
Re: Feature Request #65
Posted 26 July 2014 - 13:44
what if you can add in network settings "unmount" like we have "mount again"
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Re: Feature Request #66
Posted 26 July 2014 - 17:08
On the other hand, the real problem is the disappearance of the server, not the hanging of the client.
Nope; the 'disappearance' of the client can be due to all kinds of reasons (e.g. temporarily network anomalies), and is not a real problem at all. The 'hanging client' on the other hand is indeed a problem.
Re: Feature Request #67
Posted 26 July 2014 - 17:22
I mean the CAUSE of the problem. And see my other comment. Nobody expects to be able to remove a physical harddisk from a device while the device is on and running.
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
Ik lees geen PM -> als je iets te vragen of te melden hebt, doe het op het forum, zodat anderen er ook wat aan hebben.
Re: Feature Request #68
Re: Feature Request #69
Re: Feature Request #70
Posted 28 July 2014 - 18:27
That's actually what you do when you pull out a USB stick...I mean the CAUSE of the problem. And see my other comment. Nobody expects to be able to remove a physical harddisk from a device while the device is on and running.
Of which we all know it isn't supposed to work without unmounting it first, either.
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
Ik lees geen PM -> als je iets te vragen of te melden hebt, doe het op het forum, zodat anderen er ook wat aan hebben.
Re: Feature Request #71
Posted 28 July 2014 - 18:28
When someone knows or can point us to a good fix when mounts are going down.... Then in can be implemented...
Yeah, I guess that person can be rich.
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
Ik lees geen PM -> als je iets te vragen of te melden hebt, doe het op het forum, zodat anderen er ook wat aan hebben.
Re: Feature Request #72
Re: Feature Request #73
Posted 29 July 2014 - 04:32
However that's the Linux way to "solve" problems.Just stating that it shouldn't happen, doesn't make the problem go away.
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Re: Feature Request #74
Posted 29 July 2014 - 16:40
OK, just done the following 2 tests on two boxes on VIX; box 1 has an internal HDD; box 2 has an 'autofs' mount to that HDD.
1- Box 2 was booted without LAN-cable connected. Obviously the movie-list of box 1 was not available.
After connecting the LAN-cable (while E2 was alive) the movie-list did contain the files of box 1.
2- On box 2 I played back a file from box 1. During playback I disconnected the LAN-cable. Obviously playback stopped, and spinners showed. During this 'spinning I reconnected the LAN-cable and playback resumed by itself.
Re: Feature Request #75
Posted 29 July 2014 - 19:00
We all know the fallacies of network/distributed computing. Just stating that it shouldn't happen, doesn't make the problem go away.
There are simply two choices:
- assume the other end will come back "sometime" and wait for that (which has always been te linux kernel approach)
- assume the other won't come back, drop the write behind cache and accept the data inconsistency (meta data will be more or less okay) (comparable to what happens when you unplug an usb disk while it is mounted, although there will be no danger for inconsistent filesystem metadata aka foobar filesystem).
I guess for a stb the second option would be acceptable. The linux kernel guys have overruled this choice though, so I guess there is not much we can do (other than patch our kernels ourselves, do I hear a volunteer?).
It's not simple lameness like you suggest.
* Wavefrontier T90 with 28E/23E/19E/13E via SCR switches 2 x 2 x 6 user bands
I don't read PM -> if you have something to ask or to report, do it in the forum so others can benefit. I don't take freelance jobs.
Ik lees geen PM -> als je iets te vragen of te melden hebt, doe het op het forum, zodat anderen er ook wat aan hebben.
Re: Feature Request #76
Posted 29 July 2014 - 19:16
Problem with that approach is that it's a ton of work, even with the help of existing NFS userspace and Samba libraries.
Another path is to use autofs directly from E2. That is, directly handle the kernel messages and don't bother with the horrible autofs userspace part. This will not completely solve it, but will take away the most obvious fault paths and prevent most hangups by offering the user a way out when a mount can't be restored. I already looked into this, but the main problem is that I couldn't figure out what the interface from the kernel was. Only way to do so is probably to reverse engineer the existing autofs tools.
Re: Feature Request #77
Posted 29 July 2014 - 19:19
Yeah, that works. With or without autofs. To get the living room box to respond again in a lost connection to server situation, I had to boot a random other box and offer the expected share at the expected IP address. Only that made the living room machine resume duty again.1- Box 2 was booted without LAN-cable connected. Obviously the movie-list of box 1 was not available.
After connecting the LAN-cable (while E2 was alive) the movie-list did contain the files of box 1.
2- On box 2 I played back a file from box 1. During playback I disconnected the LAN-cable. Obviously playback stopped, and spinners showed. During this 'spinning I reconnected the LAN-cable and playback resumed by itself.
The trouble is that we would want to prevent those spinners from appearing at all. Or at least, have some way of getting the box back under control without leaving the couch.
Re: Feature Request #78
Posted 31 July 2014 - 15:17
The trouble is that we would want to prevent those spinners from appearing at all. Or at least, have some way of getting the box back under control without leaving the couch.
exactely!
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