.chk File
George
If the automatic update is not working, I would try to connect directly to the satellite web site (same "admin" and password as the router) and click on the "Firmware Update" item on the satellite web site menu.
Was able to resolve problem by unplugging the satellite that was failing on the update. The online update worked for the remaining satellite. Plugged the 2nd satellite back in but much closer to the router (10 feet). The update was successful as well. Moved the 2nd satellite back to original location. All is well. I still don't understand the .chk file provided in the download rather than an .img file.
This is part of the bizzare nature of the Orbi product line. The RBW30 product actually has firmware with "chk" extension. And, as he indicated, it did update when he moved the satellites around. (Personally) I think some engineer over in a corner developed the RBW30 product (or Netgear purchased it from somebody) and that's just "the way it is."
SOLUTION- The answer was a combination of things in this thread. First, rename the CHK file to IMG. Then connect directly to the satellite's IP address, login with the same admin account as you use for the hub, then manually update from the satellite's firmware update page by pointing to the img file.
Any MacBook 10.14.6 users here? The CHK file looks like a windows EXE. Perhaps this firmware isn't needed for Apple as they are dramatically less vunerable than windows os. Orbi satellites currently on 2.5.0.4.
Are you opening the RBWs web page and sending the .chk file to the RBW using the web page? Do not attemp to open the .chk or .img file with in OSX. It's nothing that users can open. It's only processed by the RBWs FW update web page.
Thank you for your response. I've been trying to update firmware first using the iPhone app which is fast, but faulty (says it's up to date when it's not), then switching to desktop using the slow and clunky browser admin pages: Safari (wouldn't open the admin page), then Chrome (stuck wouldn't open "browse files", then Firefox (successul router RB40 update although it said it was unable to open), then back to Chrome. After multiple tries, all three units are updated. Boy, I'm glad it was this easy..... Glad they made the App so useful for updating, lol.
Hi folks I am brand new to this and I am wanting to convert my Netgear R6900P v2 router into OpenWrt. It seemed to me from the device info [OpenWrt Wiki] Techdata: NETGEAR R6900 v2 that this was a supported model and should be a simple process of just installing the firmware via the web admin console of the factory image as found here. OpenWrt Firmware Selector Unfortunatly it seems that uploading firmeware in the administration of the web console only allows .chk file uploads. Is there any way around this as there is only .bin and .img files from the downloads and I I couldn't find examples of other people having this problem or what they would do about it when the encounter the issue. Thanks.
Also that these directories are in numerical order and many of them are hidden. What does this indicate? System files that were originally hidden? Recovered files that have been restored? Perhaps corrupted and non recoverable?
A huge number of filennnn.chk files at the root of E:\found.000 many of which are 0 byte files. Would you use software to recover these files or manual process? Either case, please share your process and recommendations.
Running Chk-Back which is working on the .chk files many of which are coming up as Unknown. Can I assume these are unrecoverable or is it perhaps a case of the program not being aware of the header format used in this file type?
Hello! Firstly I want to thank to the moderators of the forum their work, really good work done here by then, thanks! Well... this posts comes from the context I exposed here: =31729 The next explanation...
I have had these discussions many times but the data cannot be that critical if there are no offsite backups. All it would take is someone coming in, taking a hammer to the array or simply removing the disks and walking out to be left with no data at all.
I use Iron Mountain/Autonomy for offsite backups. Unfortunately my predecessor built this server from consumer grade hardware. The array has been giving much trouble for quite some time, which in turn cause problems with VSS which in turn cause the offsite backups to fail.
I outsourced a local MSP to perform some preliminary restoration work. The brief, image each drive, no matter what state it reports as, and take an image of the array itself, prior to running any rebuilds. The obvious intention was in the event of a problem I would have disk images to send to lab and have the rebuild in a virtual environment.
This was in fact not true. None of the images were taken, and instead a raid rebuild was performed. The array is attached to a VM as a secondary passthrough disk. When the VM booted, CHDSK ran everything is FUBAR.
What would happen if a new chunk was generated after I copied the .chk files?
From what I've read, this could cause problems when restoring and
might require some manual fixing and contact of support etc.? I would
find this unacceptable, especially if we would deploy to our customers
all over the world.
Is Event Store robust enough to start if there are new chunks that are not yet part of the index etc.? I.e. is there any scenario in which copying the chk files in any order (i.e. not at the same time), then the remaining files, would result in any problems?
The background for this question is: we might have dozens, if not hundreds of installations all over the world. It is simply not feasible to assume that we would open a support ticket to get any servers running after an outage - or when restoring data for testing, debugging etc.
Compare this to, say, making a backup of an sql server. The server itself usually provides an interface for that and you get one file that you can then restore. Having to deal with multiple files and not knowing if ES will even start after applying the backup, is kind of a hot issue.
Within small time periods no (eg just copy the files). With large time
frames yes it could be an issue. As an example you could have an index
written checkpoint that is ahead of your writer checkpoint which
result in an index rebuild as it doesn't really make sense
Is Event Store robust enough to start if there are new chunks that are
not yet part of the index etc.? I.e. is there any scenario in which
copying the chk files in any order (i.e. not at the same time), then
the remaining files, would result in any problems?
Normally when you have an extra chunk it should just be deleted. We
should add this to the error message, we could do it automatically but
its only during a restore that this is the case so we probably should
not do automatically.
"Normally when you have an extra chunk it should just be deleted. We
should add this to the error message, we could do it automatically but
its only during a restore that this is the case so we probably should
not do automatically."
What kind of system is this running on that this operation is taking
almost 3 minutes? I would expect this in more like 5 seconds (the file
isn't that big at 8m entries). I also see verifying a chunk file seems
pretty fast (a few seconds). This file at 8m records shouldn't be that
much larger. Does your restart generally take this long to load an
index file?
"The problem in this case is that you could 'lose' all data that come
after the .chk files have been saved. However, if you are running
clusters, the likelihood of losing all 3 nodes is low and thus when
you'd restore a node to the cluster it would sync the missing info.
I do also agree that the rebuild is an issue for us too. The DBs are
gonna be growing fatter and fatter that if a rebuild happens we are
screwed for a long time :)"
When you do a backup you backup up to the point in time you started
the backup. This does not seem to be terribly confusing. What you seem
to want is for a back up to continue backing up while its backing up.
It is more a question of point in time and data potentially missing. I agree with your remark that in my scenario, the backup is the time at which you copied the chk files. And I am perfectly fine with that.
Personally, I would go for the one I described, because it seems more consistent to me and I accept the loss of the data that goes after the time I saved the chk files. And since we run clusters we even limit that more.
* Start copy chunks
* New chunk is created (thus not part of the copy process except if
you script so it takes notice of the new chunk and even then you can
end up with missing data because of the flushes)
* End copy chunks
* Copy chk files
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On Windows computers, a CHK file is a fragment of corrupted files, data, images, or other documents with the.chk file extension. The Windows system typically generates CHK files as a result of hard drive or storage device corruption, interrupted file transfers, improper operations, virus infection, and other factors.
When the Windows system detects a problem with a file system on a hard drive or storage device, it automatically runs Check Disk to fix the file system. Following this, Windows creates a Found.000 folder, saving all fragments of corrupted data and files as CHK files.
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