docker: Error response from daemon: OCI runtime create failed: That is especially true of inode values. Some are informational and therefore read-only. This error could mean a variety of things. If you wish for values to persist they must be included as options wherever you configure the mounting of mergerfs (/etc/fstab). Well be happy to talk to you on chat (click on icon at right-bottom). Old versions, which are often included in distros like Debian and Ubuntu, are not ever going to be updated and your bug may have been addressed already. Of all the branches on which the relative path exists choose the drive with the least free space. Workaround: Copy the file/directory and then remove the original rather than move. I have corrected above comment. Existing open files and such will continue to work fine though they won't see runtime changes since any such change would be the new mount. If your cmd output is different like this: Use /bin/sh instead of /bin/bash in the command above. So if a rename's source and target are on different drives within the pool it creates an issue. None of the above answers worked for me because there was a miss-resolving for the interpreter. Filesystems mounted further down the tree of the branch will not be included when checking the mount's stats. CGAC2022 Day 10: Help Santa sort presents! Yes. Even though there could be a way to fix it, it would require someone who knows exactly how the overlay filesystem works and How Docker stores its own metadata related to the container. Any function in the create category will clone the relative path if needed. This question was caused by a typo or a problem that can no longer be reproduced. It's used to find out the available space of a drive and whether it is mounted read-only. nosys will cause mergerfs to return ENOSYS for any xattr call. Each file close (release) will randomly chose to clean up the cache of expired entries. Did you start with empty drives? I'm not sure if the package name is the same on Gentoo or not. Even though it's a more niche situation this hack breaks normal security and behavior and as such is off by default. How does mergerfs address them? We will keep your servers stable, secure, and fast at all times for one fixed price. Add nonempty to your mergerfs option list and call mergerfs again or if using /etc/fstab call for it to mount again. Move files from cache to backing pool based only on the last time the file was accessed. So my final working command line looked like this: whereas this command that gave the "no such file or directory" error was: To use Kerberos, I installed "krb5-workstation" package and configured it. In one example test using nullrw the write speed dropped from 4.9GB/s to 69.7MB/s when moving from 1M to 512. Setting cache.symlinks=true will result in requesting symlink caching from the kernel only if supported. If something isn't clear from the documentation please reach out and the documentation will be improved. How do I arrange multiple quotations (each with multiple lines) vertically (with a line through the center) so that they're side-by-side? This will usually result in a performance degradation, especially when using a network filesystem (such as NFS or CIFS/SMB/Samba.) In those cases it is possible it will error or complain. Underlying files cached, mergerfs files cached while open. WebI am trying to mount a host directory into a Docker container so that any updates done on the host is reflected into the Docker containers. cache.files=partial: Enables page caching. https://github.com/trapexit/mergerfs/wiki/Kernel-Issues-&-Bugs. How else can I validate that I am creating a correct image that is in working condition? mergerfs settings / arguments: from fstab, systemd unit, command line, etc. I tried all other suggestions first, but I needed this on fedora30 where I did not need it before, nodfs worked for me, but so did installing the keyutils package. This hack addresses the issue where the creation of a file with a read-only mode but with a read/write or write only flag. Also, as mentioned by hotio, with Docker you should probably be mounting with bind-propagation set to slave. and slow drives. When ioctl is used with an open file then it will use the file handle which was created at the original open call. This option is configurable at runtime via xattr user.mergerfs.cache.readdir. mhddfs is no longer maintained and has some known stability and security issues (see below). Example: /mnt/drive=RW,1234. NOTE: It is possible that some applications check the file they link. So, Where does the idea of selling dragon parts come from? Debugging of the issue is still ongoing and can be followed via the fuse-devel thread. In the future the use_ino option will probably be removed as this feature should replace the original libfuse inode calculation strategy. Ensure you're using the latest version. AT()redhat 9.02.4.20bluetoothFC5bluetooth1, bluetoothMAC00:13:E0:2A:99:6A,Channe WebTo mount the pool, the unprivileged user must own the directory, and regular users need permission to mount file systems. It does not matter if the paths are on the same or different drives nor does it matter the filesystem (within reason). In Apple's MacOSX 10.9 they replaced Samba (client and server) with their own product. The runtime control will still function in this mode. Fast network, slow drives, small'ish bursty writes: You have a 10+Gbps network and wish to transfer amounts of data less than your cache drive but wish to do so quickly. By disabling the underlying I/O we can test the theoretical performance boundaries. Yes. If using this feature it will be necessary to point any backup software to the original drives or configure the software to follow symlinks if such an option is available. While they won't show up when using getfattr mergerfs offers a number of special xattrs to query information about the files served. Replacing to Unix style was help me. The reason could be a damaged disk which corrupted the filesystem, or something (or someone) edited the files without using Docker, or maybe Docker itself had an interrupted I/O operation. These are essential site cookies, used by the google reCAPTCHA. all: Resolve all symlinks to that which they point to. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=822841, And a launchpad bug report can be found here: https://bugs.launchpad.net/ubuntu/+source/cifs-utils/+bug/1772148. "Cmd": [ "/bin/sh", "-c", "#(nop) ADD file:905ed83e56295de9b6eb24708b583e78e4e9a06d3a80184276b55b5db04d70aa in /" ], It is /bin/sh only. gdpr[consent_types] - Used to store user consents. Are you using an existing path / path preserving policy? Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. confusion between a half wave and a centre tapped full wave rectifier, Concentration bounds for martingales with adaptive Gaussian steps. WebIs Subversion proprietary software? I had /bin/bash inside chrooted directory, but I didn't have /lib and /lib64 inside it. The underlying file's values are completely ignored. WebAlbert Einstein was born in Ulm, in the Kingdom of Wrttemberg in the German Empire, on 14 March 1879 into a family of secular Ashkenazi Jews. The problem was I needed the keyutils package to do Kerberos authentication (sec=krb5 mount option), which was not installed along with cifs-utils (which provided mount.cifs). The former is the nodeid and is actually a tuple of 2 64bit values: nodeid and generation. It does not manipulate the data that passes through it. NFS is not fully POSIX compliant and historically certain behaviors, such as opening files with O_EXCL, are not or not well supported. Ready to optimize your JavaScript with Rust? Disable file caching. There are a number of UnRAID users who use mergerfs as well though I'm not entirely familiar with the use case. In cases where something may be searched for (such as a path to clone) getattr will usually be used. If the file is not found on the path, we advise customer on the correct path. These policies can be expensive depending on mergerfs' setup and client usage patterns. Read the section "rename & link" for how it works. The events received by udev's daemon are mainly generated by the (Linux) kernel in response to physical events relating to peripheral devices.As such, udev's main purpose is to act upon peripheral detection and hot Originally mergerfs would return EXDEV whenever a rename was requested which was cross directory in any way. Find centralized, trusted content and collaborate around the technologies you use most. A significant number of users use mergerfs on distros with old versions of libfuse which have serious bugs. This means that if the user does not have access to a file or directory than neither will mergerfs. The reason this is the default is because any other policy would be more expensive and for many applications it is unnecessary. Webxfs_growfs: /data is not a mounted XFS filesystem: Indicates that you specified the incorrect mount point, or the file system is not XFS. Think of them as ways to filter and sort branches. Something can be done or not a fit? relative path: The path in the pool relative to the branch and mount. This is the same issue as with Samba. The former because the kernel then manages append mode and the latter because the kernel may request file data from mergerfs to populate the write cache. This can greatly improve the throughput for apps which write to files inefficiently. Upgrading gvfs-fuse or the distro in general will address the problem. If you've reserved space for root then it won't show up. When modifying there are several shortcuts to easy manipulation of the list. Once from the underlying filesystem and once from mergerfs (it sees them as two separate entities). The O_APPEND change means that if a file is changed outside of mergerfs it could lead to corruption as the kernel won't know the end of the file has changed. If most files are read once through and closed (like media) it is best to enable dropcacheonclose regardless of caching mode in order to minimize buffer bloat. Yes, however it's not recommended to use the same file from within the pool and from without at the same time (particularly writing). Overall, the 550 error means the file was not found or there are access restrictions for the file. For create functions mkdir, mknod, and symlink which don't return a file descriptor and therefore can have all or epall policies it will return success if any of the calls succeed and an error otherwise. The author of mergerfs had it running for over 300 days managing 16+ drives with reasonably heavy 24/7 read and write usage. Do non-Segwit nodes reject Segwit transactions with invalid signature? It's not useful at all to match against a wildcard if you're trying to mount a single ISO image, leaving aside that fact that you want your / mount point to keep holding the root partition. Of all the branches on which the relative path exists choose the drive with the least used space. Do you have a link to the Dockerfile? Never again lose customers to poor server speed! RW: (read/write) - Default behavior. Also file permissions are more sensible with vers=2.0 (755 instead of 777). It fixed it for me but no clue to why, The $ sign is an administrative share in the Windows share context, if activated by the system, a user with administrative rights can access all paths. This error could happen when the containers filesystem folder or the merged folder is missing. If you are starting with an imbalanced pool you can use the tool mergerfs.balance to redistribute files across the pool. Why use mergerfs over LVM/ZFS/BTRFS/RAID0 drive concatenation / striping? this problem happened.. @tagiris123, I suggest However, many applications fail to handle EXDEV at all and treat it as a normal error or otherwise handle it poorly. rootfs.tar.gzrootfs1 document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. Let us help you. This means the inode value will always be the same for that file path. And that resulted in the error. Use cache.files=off and/or dropcacheonclose=true. eppfrd (existing path, percentage free random distribution), msplfs (most shared path, least free space), msplus (most shared path, least used space), mspmfs (most shared path, most free space), msppfrd (most shared path, percentage free random distribution). kernel documentation: https://www.kernel.org/doc/Documentation/filesystems/fuse-io.txt. Filters include minfreespace, whether or not a branch is mounted read-only, and the branch tagging (RO,NC,RW). However, blocking some types of cookies may impact your experience of the site and the services we are able to offer. This means it will call the regular, path based, versions. Be sure to set dropcacheonclose=true if not using direct_io. Apparently samba throws this entirely un-helpful error in an astoundingly wide range of cases. Since the size is in multiples of pages the feature is called max_pages. VM images are accessed very aggressively and mergerfs will introduce too much latency (if it works at all). Necessary cookies help make a website usable by enabling basic functions like page navigation and access to secure areas of the website. However, since the high level FUSE API's (at least the standard version) thread pool dynamically grows and shrinks it's possible that over time a thread will be killed and later a new thread with no cache will start and query the new data. abs-pool-symlink: A absolute value using the mergerfs mount point. In my case at least this is what did the trick. As of version 4.20 Linux supports readdir caching. cache.files=auto-full: Enables page caching. Especially when combined with entry (cache.entry) and attribute (cache.attr) caching. Remember that any action or information queried about these files and directories come from the respective function. ..where I have my domain, username and password contained in the .cifs_user file: Apparently, smbmount uses a newer version of the SMB protocol by default since it worked without issue or any special options. Tip: After MBR is repaired, we suggest backing up the Windows OS with professional Windows 10 backup software, MiniTool ShadowMaker to avoid system corruption. Connect and share knowledge within a single location that is structured and easy to search. NVMe, SSD, Optane in front of traditional HDDs for instance. Drives may fail, however, all other data will continue to be accessible. Is it appropriate to ignore emails from a student asking obvious questions? The command mount.cifs is found not being able to run in a gentoo system with systemd. I had a similar problem with the "nounix" flag which must not be supported in v1.0. There is a small side effect as a result of enabling writeback caching. Used and available space will not be duplicated for paths on the same device and any features which aren't supported by the underlying filesystem (such as file attributes or extended attributes) will return the appropriate errors. container_linux.go:348: starting container process caused "exec: Mount the ISO image specifying its exact filename and mount it on the mount point you just created (/media/cdrom). WebSetting it to vers=3.0 fixed the issue. If you need that kind of device performance aggregation or high availability you should stick with RAID. Is it "production ready?". This feature, when enabled, will cause symlinks to be interpreted by mergerfs as their target (depending on the mode). NOTE: If you're receiving errors from software when files are moved / renamed / linked then you should consider changing the create policy to one which is not path preserving, enabling ignorepponrename, or contacting the author of the offending software and requesting that EXDEV (cross device / improper link) be properly handled. Help us identify new roles for community members, how to mount an iso to a cdrom ubuntu 13.04, Failed to setup loop device while mounting .iso file, losetup: raspbian-20200505.img: failed to set up loop device: Device or resource busy, 'Failed to read last sector' when trying to mount DD file. Why is the eastern United States green if the wind moves from west to east? When cache.statfs is enabled all calls to statfs by a policy will be cached for the number of seconds its set to. Better way to check if an element only exists in one array. Why does the USA not have a constitutional court? If you want to write to a read-only filesystem you should look at overlayfs. mergerfs still gets all the requests but they will not be forwarded on to the underlying filesystems. However, there are a few situations where a cache drive could help with a typical mergerfs setup. I ran into this on Ubuntu 18.04. The rubber protection cover does not pass through the hole in the rim. By enabling nullrw mergerfs will work as it always does except that all reads and writes will be no-ops. So for a unit called example.service, a subdirectory called example.service.d could be created. Webfile / directory xattrs. MOSFET is getting very hot at high frequency PWM. In his server, he had a mounted file system. By enabling the FUSE writeback cache small writes may be aggregated by the kernel and then sent to mergerfs as one larger request. The information for the first directory found will be returned. Setting cache.readdir=true will result in requesting readdir caching from the kernel on each opendir. If you don't already know that you have a special use case then just start with one of the following option sets. So if anyone did the same and finds this thread, he or she might find my hint useful. To verify the mount point and file system type, use the df -hT command. Broadly speaking, this error means that the file or folder do not exist. Drive speeds and latency, network speeds and latency, general concurrency, read/write sizes, etc. I notice massive slowdowns of writes when enabling cache.files. Use. What properties should my fictional HEAT rounds have to punch through heavy armor and ERA? Similar results were had when testing reads. Please read the section above regarding rename & link. category: A collection of functions based on basic behavior (action, create, search). The default create policy is epmfs. To make it easier to include multiple branches mergerfs supports globbing. In order to fix this please install newer versions of libfuse. Additionally, a typo in the file name will also lead to this error. If you aren't using applications which use. Due to the overhead of getgroups/setgroups mergerfs utilizes a cache. Familiarity with volumes is suggested. Can drives be written to directly? In FSX's Learning Center, PP, Lesson 4 (Taught by Rod Machado), how does Rod calculate the figures, "24" and "48" seconds in the Downwind Leg section? It worked for me, EXCEPT: I had to state Version TWO. Affected versions of libfuse can be found in Debian Wheezy, Ubuntu Precise and others. I am not sure how the package keyutils helps too.. thank you! You signed in with another tab or window. The globbing tokens MUST be escaped when using via the shell else the shell itself will apply the glob itself. Underlying files cached, mergerfs files cached across opens. This is more efficient than noattr but will cause mergerfs' runtime control via the hidden file to stop working. VM images: For the same reasons as databases. On Windows, if make_path gives you this warning, it may mean that you have exceeded your filesystem's maximum path length. Once with direct_io enabled and one without it. Entries on the same device with the same inode are in fact references to the same underlying file. Yes. One for backup and one for general consumption. The website cannot function properly without these cookies. This is expected as mergerfs lives outside the container and therefore is querying the host's group database. statfs's behavior can be modified via other options. You cant pull a container. NOTE: for mounting via fstab to work you must have mount.fuse installed. Ready to optimize your JavaScript with Rust? With reserve for root? It can and should replace usage of direct_io, kernel_cache, and auto_cache. function: A filesystem call (open, unlink, create, getattr, rmdir, etc.). UnionFS is more like aufs than mergerfs in that it offers overlay / CoW features. MergerFS is a proxy and does NOT interfere with the normal form or function of the drives / mounts / paths it manages. If you still have permission issues be sure you are using POSIX ACL compliant filesystems. Connect and share knowledge within a single location that is structured and easy to search. Such apps include: gvfsd-fuse v1.20.3 and prior, Finder / CIFS/SMB client in Apple OSX 10.9+, NZBGet, Samba's recycling bin feature. aufs is mostly abandoned and no longer available in many distros. https://github.com/trapexit/mergerfs/releases, https://github.com/trapexit/mergerfs-tools, https://www.kernel.org/doc/Documentation/filesystems/fuse-io.txt, https://github.com/trapexit/mergerfs/issues, https://github.com/trapexit/mergerfs/wiki, https://github.com/trapexit/backup-and-recovery-howtos, chmod, chown, link, removexattr, rename, rmdir, setxattr, truncate, unlink, utimens, access, getattr, getxattr, ioctl (directories), listxattr, open, readlink, fchmod, fchown, futimens, ftruncate, fallocate, fgetattr, fsync, ioctl (files), read, readdir, release, statfs, write, copy_file_range. Connecting to a share hosted on Windows Server 2003 from Ubuntu 19.04 continually failed for me until I added vers=1.0 to my options list. The above behavior will help minimize the likelihood of EXDEV being returned but it will still be possible. Given the relatively high cost of FUSE due to the kernel <-> userspace round trips there are kernel side caches for file entries and attributes. This removes the dependence on /bin/sh the docker app can now execute the binary file. By default it will passthrough any xattr calls. To test throughput dd is useful but must be used with the correct settings in order to ensure the filesystem or device is actually being tested. However, mergerfs will ignore read-only drives when creating new files so you can mix read-write and read-only drives. For busy box it should be: Maybe you are overwritting CMD option in your ./mkimage.sh. Thanks! Multiple volumes (bind mounts) to the same underlying filesystem are considered different devices. Typically EROFS (read-only filesystem) or ENOSPC (no space left on device) depending on the most recent reason for filtering a branch. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Yes, I have confirmed the existence and accessibility of the mount point. Are you sure you want to create this branch? Connecting to a share hosted on Windows Server 2003 from Ubuntu 19.04 continually failed for me until I added vers=1.0 to my options list. Add a $ to the end, like this //winserver/sharename$, With me it worked by putting "vers = 1.0" as before -> credentials = / root / .dbx.credentials, vers = 1.0, uid = 1001, gid = 100, rw. Some other functions (rename,link,ioctl) have special requirements or behaviors which you can read more about below. In mergerfs its referred to as fuse_msg_size to make it clear what it impacts and provide some abstraction. Help us identify new roles for community members, Linux to Windows - can list smb shares but cannot connect, mount error(2): No such file or directory - CIFS - Rasperry Pi, Cifs Issues - mount error 2 no such file or directory, can not use mount.cifs: mount error(2): No such file or directory w/o password, mount.cifs : mount error(12) : Cannot allocate memory, mount.cifs error(2): No such file or directory when using a prefixpath, mount.cifs fails (Error 2, no such file or directory) with credentials file, while -o username,password succeeds, Linux clients can't login on samba share while windows and mac can (active directory env), Samba server mount error - No such file or directory, cifs mount error(2): No such file or directory. Unless there is a bug things work as described. This means that if a user is added to a group it may not be picked up without the restart of mergerfs. test_cookie - Used to check if the user's browser supports cookies. I have written a detailed answer here, explaining how to fix this issue.. If you are attempting to benchmark other behaviors you must ensure you clear kernel caches before runs. Symlinks which do not point to anything are left as is. To verify the mount point and file system type, use the df -hT command. Running any Linux command or docker shell dependent command will fail. It also does NOT split data across drives. 1P_JAR - Google cookie. Work fast with our official CLI. This isn't the best solution but should work reasonably well assuming there are few users. It is a preference or based on some particular need. No, Subversion is open source / free software. The reason is that it doesn't really work for non-path preserving policies and can lead to non-obvious behaviors. Not the full path to the file in question. This caused it to have errors loading shared modules. For most throughput is the key benchmark. The reported free space is an aggregate of space available within the pool (behavior modified by statfs and statfs_ignore). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You could have data loss if the source is the cache pool. If you do not care about path preservation simply change the mergerfs policy to the non-path preserving version. 2 Webxfs_growfs: /data is not a mounted XFS filesystem: Indicates that you specified the incorrect mount point, or the file system is not XFS. Used to query or modify the list of branches. readdir is different from all other filesystem functions. The difference with noattr is that the kernel will cache this fact and itself short circuit future calls. Note that if an application is properly sizing writes then writeback caching will have little or no effect. Is it not possible to get an interactive shell with an busybox image? It is a many to one relationship between names and an inode. mergerfs was written to use the high level API. For Ubuntu/Debian it is included in the fuse package. ie for your -o options input pass the input as below. If your use: in your docker file, docker uses /bin/sh to parse the input string. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. While it could have its own set of policies to tweak its behavior at this time it provides a simple union of files and directories found. Do bracers of armor stack with magic armor enhancements and special abilities? In which case using path preservation can help but will require some manual attention. cache.files=off: Disables page caching. For example: supplemental groups will be picked up from the container unless you properly manage users and groups by sharing relevant /etc files or by using some other means to share identity across containers. Your email address will not be published. http://www.sijitao.net/1423.html I can see the image is available with my docker repo. Is my OS's libfuse needed for mergerfs to work? When using non-path preserving policies paths will be cloned to target drives as necessary. Your email address will not be published. : If you do enable file page caching, cache.files=partial|full|auto-full, you should also enable dropcacheonclose which will cause mergerfs to instruct the kernel to flush the underlying file's page cache when the file is closed. Does mergerfs support CoW / copy-on-write / writes to read-only filesystems? I hit this error ("stat /bin/bash: no such file or directory") when running the command: The solution was to identify the kind of terminal (or shell) that is available on the container. It would need to open all files with O_DIRECT which places limitations on the what underlying filesystems would be supported and complicates the code. In my case, the local IP Address was incorrect thus, I was getting this error. Can mergerfs run via Docker, Podman, Kubernetes, etc. There is no way to link between them. This document is very literal and thorough. data size unchanged, skipping: Indicates that the file system already extends the entire volume. Of all the branches on which the relative path exists choose the drive with the most free space. It doesn't cache the responses to any getxattr. Inodes (st_ino) are unique identifiers within a filesystem. It worked for me, only backwardsAfter upgrading opensuse leap from 42.3 version to 15.1, an fstab entry for mounting a network drive, which worked, stopped working in 15.1. rename returns EXDEV (in our case that will really only happen with path preserving policies like epmfs) and the software doesn't handle the situation well. While they won't show up when using getfattr mergerfs offers a number of special xattrs to query information about the files served. Scenario I saw was that Samba on the server had been updated, but the service was not restarted. First upgrade if possible, check the known bugs section, and contact trapexit. Marketing cookies are used to track visitors across websites. abs-symlink: A absolute value using the mergerfs mount point. % 2022-05-23, mergerfs -o
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mount failed: no such file or directory
mount failed: no such file or directory
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