Hey all! By default the mover is scheduled to run every day at 3:40AM. Discover your dream home among our modern houses, penthouses and villas. Your destination for buying luxury property in Moncada, Valencian Community, Spain. Enable Mover Logging in Settings, Scheduler, attempt a move again, then post your diagnostics. Get a complete overview over all the functions of Unraid and how they work. This drive can be any speed you choose, just remember that in the event of a parity rebuild (if your parity disk dies) or a rebuild from parity (if a data disk dies), the process will proceed at the speed of your slowest disk. now (cause of the wording "prefer") he changed a share and the mover started to copy all contents onto the cache drive which is a SSD and chokes becuase of too less space. Slower hardware will of course result in slower transfer speeds. It's also similar to the [Log] button on the Web UI. Note: Your post will require moderator approval before it will be visible. Hi, I issued the mover stop command and its been 4 hours, but it seems like mover is still running. Plugins offered by 3rd parties can add additional sections to the Scheduler settings page of the Unraid GUI. won't matter much. The two key factors to consider to when choosing a hard drive to be your cache disk are: Increased perceived write speed: You will want a drive that is as fast as possible. October 25, 2016 in General Support. General Support. I am right now watching unRaid trying to move a large user share onto the cache (due to using - wrongly - Prefer setting), and of course failing due to lack of space. You cannot paste images directly. I just did the upgrade from 6.1 to 6.3.2 and it seems like now it is doing something since the status says that the mover is in progress. Let's say the move failed half way through because the target disk filled up. Pasted as rich text. Check my post above to see what I did. Additionally you could set up a cron to do automated btfrs backups of the vdisk and move those to the array. ManishGupta8, http://my.jetscreenshot.com/12412/20150627-84p5-40kb.jpg. Display as a link instead, If your cache drive dies, it will take all of the data currently residing on it to the grave. Note: Your post will require moderator approval before it will be visible. Other than looking at the cache drive in Main, is there a utility or command that can display the status of the Mover when its operating? If you are concerned about data loss, you can edit the script so that it runs more frequently and at different times. You wouldn't want to lose the file, right? The '-n' is the number of past lines to display. When a drive does eventually fail, you simply stop the array (via the Main page), unassign the dead drive (via the Devices page), assign the warm spare (also on the Devices page), and then start the array (back on the Main page). It has been considered bad practice on message boards since before the world wide web. Unless you write a lot of very small files, the size of the hard drive's cache (8, 16, 32, 64 mb etc.) There is no access to the server and yet the disks are still reading from cache and writing to array. It requires that the warm spare drive be as large or larger than your parity drive and your largest data drive. Do I need to have the Mover Logging enabled option checked to do this? Press question mark to learn the rest of the keyboard shortcuts. By Only post in one thread about a specific problem. However it seems like now the cache drive is increasing in the size and th. The purpose of a warm spare is to minimize the amount of time that your array is without parity protection after a drive failure. This may be changed by defining your own Mover schedule string in crontab format. Instead I'm saw the opposite even after file transfer stopped. Yet the mover is still going on 24 hours. You can also eek a bit more performance out of a slower drive by short stroking it (meaning confine it to only the outside sectors, which are higher density and can therefore be written to and read from faster), but this is of course an advanced maneuver. Please, please, never do this again. If Mover logging is enabled, the mover will record all its activity to the system log. Page 2 of 2. lol, You can see the space on your cache drive decrease is about all you can do. Clear editor. Why I ask this is I was curious how cache works for continuous operations. You can set a schedule that defines when the mover will wake up. Exactly what I wanted to see. they don't stop the mover! And another person spends a lot of time and effort researching your problem and takes the trouble to write a long, detailed response on the other thread, not realizing that they are wasting their time and effort because they had no idea about the replies on the other thread. At this point, your data from the dead drive will be automatically rebuilt onto your warm spare - this will take many hours, but your array and all your data is still available for use during this time (though performance will likely be degraded). That's just how parity in UnRAID is. For example, it's possible to set conditions such as move only files older than N days, or only move files greater than N bytes in size, etc. Posting in multiple places about the same thing is known as crossposting. It's also similar to the [Log] button on the Web UI. character. Display as a link instead, For the fastest possible speed, you'll want an SSD (which has the added benefit of being low power) or a 10,000 rpm drive. then hit control-c to stop watching the syslog. Yeah, the log window popup will show some detail about what it's currently working on and maybe a few lines of history. Mover can be run manually by using the Mover button on the Main page in the Unraid GUI. Doesn't look like this is current any longer, 6.6.7..? # This is the 'mover' script used for moving files from the cache disk to the. As there is a lag between the time objects are created on the cache disk, and when they are moved to the array, it may be desirable to disable the cache disk for certain shares. How would I see it otherwise? If you have an account, sign in now to post with your account. # main array. It wouldn't decrease. The '-f' means append output as the file grows. You can post now and register later. While it is possible to run ReiserFS data recovery software on your dead cache drive, there is still a good possibility of permanent data loss. If you write ~10 GBs per day, then any drive 10 GB or larger will do (a 30 GB SSD may be a good fit in this case). Do you have any cache-yes user shares? You may read data from or write data to the cache share just as you would any other disk share. Copyright 2005-2022 Lime Technology, Inc. Start new topic. Does anyone where this button is in the most up to date GUI? Implementing a "Stop Mover" function would be very helpful. It did not seem like it would do anything. Pretty fresh to Unraid and having the problem where I have set mover to run once an hour, but it never seems to finish - that is, it just keeps saying "mover is running" on the main page. Refer to the script itself and the 'man' page of the 'find' command. Copyright 2005-2022 Lime Technology, Inc. 2 Posted June 27, 2015 tail -n 42 -f /var/log/syslog then hit control-c to stop watching the syslog. All Activity. Is this correct? #!/bin/bash. Basically, let it go until it finishes trying (and failing) to move files to the cache. ich777 . ich777. If you have an account, sign in now to post with your account. I did that when I first set up unRAID but the Fix Common Problems plug in told me it wasn't necessary unless there was a problem otherwise it just creates unnecessary clutter. The default schedule is to wake up at 3:40AM every day. If you attempt a data transfer that is larger than the size of your cache drive, the transfer will fail. is it even safe to use killall rsync or pkill mover, considering it will be killed while transferring some file? now, back to the question: how to stop a running mover script? It seems that my option is to wait it out - which I will then have to. As the cache disk is outside of the parity-protected array, writes will be much faster, but of course if this disk fails, all its data may be lost. Shouldn't that decrease and freespace increase as mover operates - or will it only free up the space when complete? It is typically invoked via cron. Start new topic. When using the -g or --progress-bar parameters they will show the progress of the copy or move commands. A move operation is really more like a copy then delete. So generally speaking, a server with a cache drive has write speeds 2-3x faster than the same server without a cache drive. Here's the share showing files on the cache: Here's the shot showing the mover set to log: and here's the log showing the mover run: Reddit and its partners use cookies and similar technologies to provide you with a better experience. Each user share therefore has the option to disable the use of the cache disk for that share. stopped and manually cleared some files to give it some breathing room and re-ran mover. Display as a link instead, The mover is a utility that runs periodically to move files off the cache disk and onto parity-protected data disk (s). Copyright 2005-2022 Lime Technology, Inc. Restore formatting, # After checking if it's valid for this script to run, we check each of the top-level. A warm spare is a hard drive that you have installed in your server to prepare for the eventuality of one of your other hard drives failing. Pasted as rich text. age . In most cases this is around 30-50MB/s. The mover will not move any files that exist in the root of the cache disk. I did that when I first set up unRAID but the Fix Common Problems plug in told me it wasn't necessary unless there was a problem otherwise it just creates unnecessary clutter. I was having some issues using the Mover. This application will of course add a bit of wear and tear to your warm spare, but nothing outside the scope of ordinary use. The real power of a cache disk is realized when User Shares are enabled. So I assume that the cache used space is only updated periodically and not real-time. i would bet this situation will pop up more often and because of the misleading wording chosen for it's different kind of use cases. Clear editor. Unraid is a registered trademark of Lime Technology, Inc. How to add a cache drive, replace a cache drive, and create a cache pool, Installing unRAID on a full Slackware distro, https://wiki.unraid.net/index.php?title=Cache_disk&oldid=9509.
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