It is destined to be replaced by Btrfs as the default Linux filesystem. But unless you intend to use these features, and know how to use them, they are useless. Back when Bcachefs debuted in 2015 I ran some initial. On the other hand, for Linux/Unix-based devices, it might be a bit of a challenge choosing one among many options. And xfs. This is what I ended up doing; BTRFS for operating system partition and ext4 for games. 0 mainline kernel and using the stock mount options. Supported LBA Sizes (NSID 0x1) Id Fmt Data Metadt Rel_Perf 0 - 512 0 2 1. Ext4 is built on older technology, so it lacks modern file-system features found in systems like E2FS and BtrFS. EXT4 vs. Btrfs Benchmarks comparison, here is a wider look at mainline file-systems on the Linux 4. Regarding filesystems. Conclusion: Last time I ran these tests, xfs and ext4 pulled very similar results, and both were miles ahead of btrfs. my oldest one a OCZ Agility3 60GB is. The reason that Ext4 is often recommended is that it is the most used and trusted filesystem out there on Linux today. You get awesome functionality like cp --reflink and btrfs subvolume snapshot -r and btrfs send and btrfs receive . Is XFS better than btrfs? September 30, 2023 by Garry. XFS vs. With ZFS ZVOLs, you can run other file systems like ext4 or xfs for special situations (like as storage for VMs) and still get snapshots/block checksumming. So, Btrfs has built-in RAID support and therefore this feature is inherent in it. The benchmark results of three most common file systems under Linux environment were given in this paper. Personally I run btrfs on all my Linux devices, some of them with half-decade old installations of Arch and they've all performed admirably. ZFS combines a filesystem and volume manager. 17現在、Ext4と比べ特にBtrfsが遅かったりはしない。SSD上の動作であればむしろ有利なくらいだ。 つまり、Ext4のほうが速く、Btrfsが遅いカーネルもある。 例を示そう。 Linux5. It uses a default file system for Linux distribution, including Debian and Ubuntu. btrfs is da bomb yo. It's not "better" because better depends on your use case. Recommend. 另外，我们常说的file对象，它用于关联进程和dentry对象的. Which is better largely depends on opinion. Linux có nhiều tùy chọn hệ thống file khác nhau. 5 inch SSDs, which from what I understand, should work in a SAS chassis. But I would still refrain from using it on the deck due to the case folding trouble. . Otherwise use BTRFS. The only benefit of btrfs that I could find was marginally easier setup and the software license. Btrfs El sistema de archivos Btrfs nació como sucesor natural de EXT4, su objetivo es sustituirlo eliminando el mayor número de sus limitaciones, sobre todo lo referido al tamaño. Each of the tested file-systems were carried out with the default mount options in an out-of-the-box manner. 0 File-System Benchmarks: Btrfs vs. The Ext4 File System. Not only does both file systems feature a more robust data assurances then XFS (the mature fsck for Ext4 and checksums and data. But yeah, it's (BTRFS) a more complex filesystem with a bottomless pit of asterisks and gotchas attached to it, EXT4 is much more limited in scope and much simpler from a design perspective. A execução do comando quotacheck em um sistema de. See moreA number of Phoronix readers have been asking about some fresh file-system comparisons on recent kernels. I'd like to take advantage of an OS switch to upgrade to BTRFS. 04 Disco Dingo was running on the Threadripper setup while using the Linux Git kernel from the mainline PPA. I did this to all of my partitions, including home. That filesystem is now xfs. We see that on the SMR disk btrfs has most of the advantage on overall ops that it has on ext4, but penalty on random appends is not as dramatic as a ratio. ext4 or XFS are otherwise good options if you back up your config. In the end I use ext4 as trustworthy frontend, and btrfs as a unreliable backup. NT-based Windows did not have any support for FAT32 up to. Using: - A full partition in a single 1TB or 2TB NVMe SSD. XFS ファイルシステムのサイズのみを増やすことができます。ext4 は、ファイルシステムの拡張と縮小の両方をサポートします。 Inode 番号. Without going too technical, if you want to have easy system backups so that you can revert to if an update breaks the system, then btrfs. Here are a few other differences: Features: Btrfs has more advanced features, such as snapshots, data integrity checks, and built-in RAID support. 我们主要讨论Linux中主流的三个文件系统：Ext4、XFS以及Btrfs的功能特点 ext4 文件系统由 ext3 文件系统改进而来，而后者又是从 ext2 文件系统改进而来。 虽然 ext4 文件系统已经非常稳定，是过去几年中绝大部分发行版的默认选择，但它是基于陈旧的代码开发而来。I've compiled in tmpfs for over a decade now. When space gets low, Btrfs automatically expands the volume in chunks of roughly 1 GB. For pure data storage, however, the btrfs is the winner over the ext4, but time still will tell. Using the btrfs file system can optimize SSD. Each of the five file-systems were tested on the same NVM Express SSD from the Linux 4. ZFS is faster than ext4, and is a great filesystem candidate for boot partitions! I would go with ZFS, and not look back. If you see errors, you’ll likely need more free space. Page 2 of 2. Ext4 Ext4 is another filesystem that has support for SSD. Ext4 specially without a journal and XFS are both extremely fast. Here is a quote from RHEL regarding XFS vs ext4. Compression is usually not very efficient on game data (that is already compressed) and can increase fragmentation. 7. BtrFS refers to B-Tree File Systems developed by Oracle to establish an alternative to the Ext series. ext4 can claim historical stability, while the consumer advantage of btrfs is snapshots (the ease of subvolumes is nice too, rather than having to partition). EXT2/3/4: Extended Filesystem is by far the most popular filesystem among Linux desktop installations. Moreover, the ext4 is more beneficial when the. Because of that, the Ext4 file system is very stable. If you wish to run ext4, xfs or btrfs then you need to run a linux OS not BSD. Mar 14, 2012. Guess it depends on the scenario. Btrfs (pronounced as Butter FS, Better FS, or B-Tree FS) Considering that the btrfs will be able for spanning over the multiple hard drives, it is a very good poit that it can support 16 times more drive space than the ext4. Usable space isn't a big issue but I don't want to lose half with RAID 10. XFS is about as mainline as a non-ext filesystem gets under Linux. The four hard drives used for testing were 6TB Seagate IronWolf NAS (ST6000VN0033. Improve this answer. Hope that answers your question. The server I'm working with is: The server came with a bunch of 72GB SAS drives, but I also have 500GB and 240GB 2. I had no bad experience myself with btrfs so far, but still have not tried it with anything more complex than raid1 over a long time and while I assume many horror stories out there are just deprecated as btrfs keeps improving, it can do a lot more than ext4. If not, stick with EXT4, or other more 'classic' solutions. freebird54 September 21, 2021, 2:58pm 10. If you want to see how Bcachefs compares to. EXT4 is better for small files and day to day use. The SATA 3. I'm not asking "What is the best filesystem?"—There is no such thing as 'the. bit of time making sure XFS is “up to snuff”. 3. Btrfs trails the other options for a database in terms of latency and throughput. 2. Linux EXT4/Btrfs RAID With Twenty SSDs Storage :. 但无论如何，各个文件系统都需要存储这三类信息，因为这是内核规定的（见下）。. Out of curiosity I have tried BTRFS (still unstable so I can't really expect to be able to use it) and noticed that the read speed is about 150% of ext4 - while write speed. Bcachefs in its current state was benchmarked against EXT4/XFS/Btrfs/F2FS/ZFS with each file-system being tested with its default mount options and done using an Intel Optane 900p 280GB NVMe solid-state drive. ZFS likes eating RAM. But, as always, your specific use case affects this greatly, and there are corner cases where any of. The archlinux article Solid State Drives says in the section Choice of Filesystem:. btrfs 可以支援 snapshot, 但 ext4 不行, 如果一開始就採用 ext4, 日後如果要使用 snapshot 功能, 必須將 NAS 的資料備份出來, 重新 format 成 btrfs 格式. It is the default file system in Red Hat Enterprise Linux 7. If you need data persistent even after reboot, tmpfs is excluded. file-system comparison, here are some fresh benchmarks looking at the Btrfs, EXT4, F2FS, and XFS file-system benchmarks on a speedy WD_BLACK SN850 NVMe solid-state drive. Key Points: ZFS stands for Zettabyte filesystem. 5：创建和删除大量文件（文件量一定）. XFS is better larger files and long-term maintaince and stability. But as some users found out, automatic snapshot (at the time it was first released) ate disk space on single user installations. A Seagate FireCuda 520 PCIe 4. Various internet sources suggest that XFS is faster and better, but taking into account that they also suggest that EXT4 is. Agree, actually I have a bunch of freebsd for ZFS. 0, XFS is the default file system instead of ext4. 1. Otherwise, I don't think you'd notice the performance difference. "EXT4 does not support concurrent writes, XFS does" (But) EXT4 is more "mainline"Btrfs is licensed under the GPL and is open source. This pre-dates xfsprogs 3. BTRFS vs EXT4 speed and compression. For a single disk, both are good options. Small_Light_9964 • 1 yr. This process have two main steps: 1. EXT4. However, XFS is amazingly fast in the insertion phase as well as the workload execution phase. . My home file share runs zol because I prefer zfs to btrfs and run it at work a lot so I'm much more comfortable with it. I don't know anything about XFS (I thought unRaid was entirely btrfs before this thread) ZFS is pretty reliable and very mature. With not having the time to conduct the usual kernel version vs. Rep: XFS has unbalanced performance, but in the best use case blows away many other formats. In most cases that’s EXT4, but for Fedora, OpenSuse and maybe a few others it’s btrfs. To add a block device to a Btrfs volume, use the btrfs device add and btrfs filesystem balance commands. 7. . There are two ways this can be done. Yes, both BTRFS and ZFS have advanced features that are missing in EXT4. ^ Microsoft first introduced FAT32 in MS-DOS 7. Although Btrfs lacks stability and maturity as of this writing, it is more feature-rich than EXT4 despite this. Tùy chọn mặc. I saw that Fedora is now using Btrfs filesystem by default. The chart below displays the difference in terms of hard drive space reserved for redundancy. - chống phân mảnh dữ liệu nhanh chóng. For the adventurous: you can define block devices on btrfs and use ext4 on those block devices (ext4 on btrfs). Tenga en cuenta que el uso de inode32 no afecta a los inodos que ya están asignados con números de 64 bits. Được tích hợp vô hệ thống DSM Synology , do NAS có hiệu xuất làm việc cao trong vấn đề lưu trữ và khôi phục, Btrfs hoạt động trên NAS. 7 star rating. Red Hat Training. However, Ext3 lacks advanced file system features like extent blocking mapping, dynamic allocation inode, and defragmentation. Miscellaneous 9 mins read This article will look at the difference between the Btrfs vs. Ext4 has journaling on by default, and new users likely won’t know how to disable it to save. See FUSE. Además, el rendimiento en una sola unidad giratoria generalmente tendrá la unidad como el eslabón más débil. the COW which saves alot of space and increases the speed. XFS does not require extensive reading. In the case of the Intel 900p SSD, the XFS results were too fast to accurately measure while EXT4 and F2FS took just two seconds to complete while Btrfs took six seconds. 0 File-System Benchmarks: Btrfs vs. file-system comparison, here are some fresh benchmarks looking at the Btrfs, EXT4,Sure, BtrFS has its benefits and novel features, but "has never once failed me in 10+ years" is an incredibly strong reliability trend that I'd be hesitant to trade for those, especially in a piece of my infrastructure where a single failure could potentially cause massive loss of data and subsequent time spent recovering from backups/etc. has built-in support for snapshots - useful for both backups and “testing out” scripts. Various benchmarks have concluded that the actual ext4 file system can perform a variety of read-write operations faster than an NTFS partition. One of the biggest differences between them is that their supported operating system. We currently recommend XFS for production deployments. 21 merge window (now known as Linux 5. A file system controls where, how, and when data is stored and retrieved from a storage device. After reading a few articles I decided to use JFS in favour of XFS. This includes workload that creates or deletes large numbers of small files in a single thread. 특히 시놀로지에서는 데이터 보호와 백업의 용이함을 장점으로 내세운 Btrfs를 권장합니다. I'd say ext, because it is faster, and because you asking means, that you don't know how to use btrfs features, otherwise the choice is obvious: need snapshots -> btrfs, need reflinks -> XFS, default -> ext4. There won't be any noticeable difference. It was also during a power outage, and yes I should have had that. (2013) compared the performance of Btrfs against XFS and ext4. XFS is about as mainline as a non-ext filesystem gets under Linux. Ext4 is the default file system on most Linux distributions for a reason. File-systems tested on the NVMe SSD included Btrfs, EXT4, F2FS, XFS, and NTFS. A. All my systems (4) have been using BTRFS for some time now without any issues. Btrfs is slower, especially on non-SSDs, because of CoW, but has a whole lot more going on under the hood in way of features and data integrity. As Microsoft makes more progress with ReFS on Windows 11, Linux is also getting performance optimizations and improvements on some of its major file systems, namely, F2FS, Btrfs, and EXT4. We also provide useful. So if you are after the most speed for the buck and if your NAS is already doing RAID 5 or more, you could go for Ext4. BTRFS VS EXT4 performance in Raid 1. F2FS vs. What we mean is that we need something like resize2fs (ext4) for enlarge or shrunk on the fly, and not required to use another filesystem to store the dump for the resizing. But still iffy on high raid levels. misleading. creating volumes and mounting them would need to check that option and decide on appropriate mount points. BTRFS bietet, mal abgesehen von der Möglichkeit einer Inline Deduplizierung, beinahe alle Features von ZFS. Btrfs使用校验和来确保数据不会被破坏，另一方面，Ext4不能确保数据的完整性。 Btrfs提供了文件系统中存在的压缩算法，允许在将数据写入系统时在文件系统级进行压缩. F2FS vs. These days the system is more refined with Dalto’s Btrfs Assistant. In my second round I made setups with btrfs on the nvme SSD and luks+btrfs on 2TB HDD as RAID1. I'd stick with safer file systems like XFS, JFS, EXT4, or imported ZFSOnLinux. Utilice. On the HDD the Bcachefs performance was just behind EXT4 but doing much better than Btrfs though not nearly as fast as XFS in this case. This is the first time that the new EXT4 and Btrfs and NILFS2 filesystems have been directly compared when it comes to their disk performance though the results may surprise. Btrfs also has snapshots so you can revert back to an earlier snapshot easily, say you run arch and some update borks your system (highly unlikely), you can simply revert back to the last good snapshot. But timeshift reports (maybe due to different sizes of the combined btrfs) as reported in my initial. Hardwareseitig gibt es bei Btrfs jedoch Ausnahmen. g. - Btrfs hỗ trợ tính năng pool trên ổ cứng. Some think of the B-tree file system as a better, more modern alternative to ext4. That being said, it is meant as a temporary solution to migrate data to a native Unix file system, such as ZFS or UFS. ZFS brings robustness and stability, while it avoids the corruption of large files. Ability to create large volumes of up to 1 PB 1. Even after then I was able to transfer data out of the filesystem. EXT4 Vs XFS. 4TB HDD formatted as NTFS for backuping all other three hard disks. Você deve ativar as cotas na montagem inicial. XFS is better larger files and long-term maintaince and stability. 356 Btrfs—short for "B-Tree File System" and frequently pronounced "butter" or "butter eff ess"—is the most advanced filesystem present in the mainline Linux kernel. Resizing (growing) is possible with btrfs and xfs. Granted, i just use the automatic partition creater at setup, so it still uses ext4 for the /boot and /boot/efi partitions. Moreover, the ext4 is more beneficial when the. A File system is one of the most important aspects that af. To mount the XFS file system so that it uses the external journal, specify the -o logdev=device option to the. XFS and btrfs are two advanced file systems for Linux that offer significant improvements over ext4. EXT4 vs. The arguments about ext4 vs NTFS have been raging online for decades now. In today's video, we will talk about the 4 Major Linux File Systems. Optane SSD RAID Performance With ZFS On Linux, EXT4, XFS, Btrfs, F2FS Storage : 2019-06-20: FreeBSD ZFS vs. This is a significant difference: The Ext4 file system supports journaling, while Btrfs has a copy-on-write (CoW) feature. No such built-in compression support is in Ext4. Or btrfs, which is making some serious headway again with it becoming the default filesystem for Fedora. 2. The only realistic benchmark is the one done on a real application in real conditions. Edit: fsdump / fsrestore means the corresponding system backup and restore to for that file system. Reasons why I use LVM/ext4: I'm used to it. XFS is more and more mature than Btrfs, but. But unless you intend to use these features, and know how to use them, they are useless. Btrfs, EXT4, F2FS, and XFS were tested in their out-of-the-box state / default mount options. Checksumming, along with copy-on-write, provides the key method of ensuring file system integrity after unexpected power loss. The Slant team built an AI & it’s awesome Find the best product instantly. In Windows NTFS is used, while in Mac OS it is HFS, perhaps these will sound familiar to you, especially the typical FAT or its variants for. I would reccomend btrfs only if you need the extra features that ext4 doesn't provide like compression or snapshots. Some feel that it is not mature enough for production use while there are also early adopters of this. I've also heard that LVM snapshots can. Ext4 比 Btrfs 更穩定嗎？ 儘管在撰寫本文時 Btrfs 缺乏穩定性和. List of archive formats. I think the consensus these days is it’s good for single drive and raid 1. A Seagate FireCuda 520 PCIe 4. While RAID 5 and 6 can be compared to RAID Z. Depends on what you're looking for. If you are looking for advanced features such as data checksumming, snapshots, and data deduplication, then Btrfs may be the better option. In this Video we are going to cover Linux File System Types - Ext2,Ext3,Ext4,XFS,BTRFS | Linux File Systems Explained | Linux Tutorial for Beginners #linuxt. For storage, XFS is great and sometimes has higher performance than EXT4. NTFS OpenBenchmarking. For more than 3 disks, or a spinning disk with ssd, zfs starts to look very interesting. EXT4 vs. ran btrfs balance to balance all btrfs volumes. Otherwise btrfs for snapshots via snapper. So please enlighten me, where is btrfs better and where is it worse or just significantly different than ZFS. Main features: Data protection features, including snapshot, replication, and point-in-time recovery. BTRFS hatte auch etwas höhere Latenz als EXT4, was bedeutet, dass es länger dauerte, bis Dateien auf dem Dateisystem zugegriffen werden konnten. 2. EXT4 vs. This is why XFS might be a great candidate for an SSD. Btrfs vs ext4 . Mar 14, 2012. XFS. Windows users don’t have much of a choice regarding a file system. Each of the five file-systems were tested on the same NVM Express SSD from the Linux 4. XFS as a similar featureset filesystem manages around 99. Each one might work for you based on YOUR needs! Supp. It is the default file system in RHEL 6, Debian 7, Ubuntu 18 and so on. Phoronix has a ton of reviews, Google for them. ext3 is the most common format. That however would disable a lot of the Btrfs features. (當然另一種做法是新增硬碟, 另外格式化為 btrfs. which btw you should put in here then as well. This allows you to do an in-place conversion of unmounted (offline) file systems,. As I have mentioned earlier, snapshots are created with minimal size due to the use of copy-on-write. However ZFS does come at one major downside, it needs more resources in just about every way one can imagine, ZFS is best with more disks, more RAM, more CPU, more Bandwidth, more SSD’s for caching…. As well as ext4. Also I've thought about btrfs again. xx kernel days was an entirely different story, however. Ext4 vs ext3. Offizieller Beitrag. By far, XFS can handle large data better than any other filesystem on this list and do it reliably too. Btrfs uses Copy-on-Write (COW), a resource management technique where a. Because of that, the Ext4 file system is very stable. You didn't provide the Linux distribution information, but assuming CentOS or Red Hat, XFS is now somewhat integrated. BTRFS has (by far) the better ecosystem of tools and utilities. - Nén dữ liệu ở mức độ cao. If you use Debian, Ubuntu, or Fedora Workstation, the installer defaults to ext4. Though personally I'd still go with ext4 primarily because despite recognizing some potential benefits of btrfs, I really don't see them as important for how I use my computers. 8 snapshot as of last week. 3 XFS. ext4 can claim historical stability, while the consumer advantage of btrfs is snapshots (the ease of. BTRFS improves file addressing capacity to 16 EiB and volume sizes up to 16 EiB, just like ZFS. ZFS isn't native to Linux, nor is it GPL compatible, but it works fairly well and is a stable file system. BTRFS was clearly in the lead when considering Documents – even better than ZFS with deduplication. Let’s talk about the advantages Btrfs boasts over the traditional and more popular ext4 filesystem. /etc/fstab /dev/sda5 / ext4 defaults,noatime 0 1 Doing so breaks applications that rely on access time, see fstab#atime options for possible solutions. 0-040700-generic (x86_64) Unity 7. This would be an interesting test. On each drive make a media share folder join them with mergerfs for the shows if you want a drive for redundancy their is a raid you can use. BTRFS and ZFS are metadata vs. Allerdings hatte BTRFS eine deutlich bessere Leistung bei kleinen Dateien als EXT4. This includes workload that creates or deletes large numbers of small files in a single thread. Just EXT4, yes. 1 fell slightly short of the Linux file-system performance. When I use ext4 the 4k speed is 5-7 MB/s. 240GB SSD formatted as EXT4 for main OS. NTFS and FAT are known in Windows environments. The two primary reasons I use btrfs are easy to setup and maintain RAID arrays, and. Precisely, it seems to be 50%. Ext4 provides more flexibility in terms of data storage. The Btrfs filesystem supports read-only and writable snapshots of the file. Edit: I managed to save the two NTFS HDDs with chkdsk, but the exFAT drive just didn't wanna play ball. Ext4 comes up with some new and improved features such as: Extent-based. In this episode of the CyberGizmo I benchmark the 4 filesystems chosen by Phoronix for his testing and use my own workloads to compare and contrast them. - Hạn mức (quota) cho các thư mục chia sẻ - Nhân bản toàn bộ Share. And BRTFS has some really nice features in that area. BTRFS系统性能最差，下面是去掉该系统其它3种的对比. For a while, MySQL (not Maria DB) had performance issues on XFS with default settings, but even that is a thing of the past. So với Ext4, Btrfs hoạt động ổn đinh hơn, dễ dàng quản lý hơn và tích hợp nhiều ứng dụng hỗ trợ tốt cho doanh nghiệp Quy mô lớn. Btrfs come with compression algorithms present in the filesystem, allowing data to be compressed at the filesystem level right when written to the system. Linux 5. ext4 if I don't care about the install. Better for gaming, my money is on ZFS if you have extra RAM to spare and restrict the cache size. FUSE-based file systems. If you don't need the features of btrfs, then stick to ext4. Here are some key differences between them: XFS is a high-performance file system that Silicon Graphics originally developed. 0 SSD drive used was a 250GB Samsung 850 PRO solid-state drive connected both. Of course, Btrfs and ext4 aren’t the only file systems you have to choose from when installing a new Linux distro. Built By the Slant team. Maybe. Find out which file system suits your needs best. Data Colossi & Data Centers: Ext4 is non-negotiable for handling extensive data transactions. But… Some different plus for BTRFS Backup is about data safety. F2FS vs. I don’t think any vendor will support ZFS unless Oracle fixes the license. BTW, transparent compression can offset much of the performance penalty between using a fs like btrfs or ZFS and a more traditional fs like ext4 or xfs, depending on your workload. XFS vs Ext4. Complexity: btrfs is a more complex file system than ext4, and may require more advanced knowledge and expertise to manage and maintain. buying used laptops with older ssd vs a new one. XFS vs. So I did two rounds: the. 4. OMV4 or OMV5. BTRFS, ZFS, XFS, and EXT4 File Systems – Complete Comparison. BTRFS also had somewhat higher latency than EXT4, meaning that it took longer for files to be accessed on the file system. Here are some more benchmarks. Data integrity protection. Find a motherboard with enough drive ports or real sata controllers to run all the drives. And you might just as well use EXT4. So I moved everything off of it and formatted it into XFS and ate the 0,5% space loss for peace of mind. 29 release of the Linux kernel. I hear zfs is good too. Windows users don’t have much of a choice regarding a file system. File-systems tested on the NVMe SSD included Btrfs, EXT4, F2FS, XFS, and NTFS. and. With not having the time to conduct the usual kernel version vs. Ext4 is the default system for most Distros. Ext4 and XFS are the fastest, as expected. This is because BTRFS is optimized for handling small files, while EXT4 can struggle with multiple small files due to its delayed allocation. A) crater. 0, and is just some quality-of-life command line. 특히 시놀로지에서는 데이터 보호와 백업의 용이함을 장점으로 내세운 Btrfs를 권장합니다. At the time, ZFS was significantly slower than xfs and ext4 except when the L2ARC was used. (ext4 for general use, xfs for MythTV) On the other hand, I lost an entire filesystem with btrfs - the utilities couldn't identify anything on the (raid-1) drives as btrfs, it wasn't just corrupted, it went missing. for the home lab you can use ext4 it is fast an flexible: grow and shrink are supported. 3. 7 - EXT4 vs. Four years later, Rodeh et al.