Zpool list vs df. Break the mirror using zpool split command.

Zpool list vs df 0T /contentA % uname -a Linux myserver 3. This is the least flexible. I told myself 'no big deal, let's just move the dataset to my giant zpool instead'. 5G 82. 7T 512K /z3 root@banshee:~# df -h /z3 Jan 19, 2023 · Finally when df did hit 100% disk usage , containers become unresponsive. zpool. To see how much space is available, run 'zfs list' and you should see a capacity similar to: ZFS usable storage capacity: 7. Same thing happened there as well. Apr 27, 2016 · The problem is on both pools. x) share quite a lot of common data which should be easy to deduplicate to reduce the small VDI I assigned. Feb 15, 2020 · First, what is the difference between the logical and physical view of space usage? The physical view (zpool list) is simplest — it tells you how many bytes are currently being stored on disk. 00x ONLINE - This is a colon-separated list of directories in which zpool looks for device nodes and files. We have reason to believe a disk is Dec 15, 2022 · I am facing a similar issue with free space accounting as described in zpool list vs zfs list - why free space is 10x different?. Datasets are listed, one on each line, by zfs list. You should be using zfs list and zpool list to inspect pools and zfs filesystems. Checking ZFS File system storage pool status. Then I restarted the host, which apparently fixed the du vs df anamoly. 51G 123G - - 9% 2% 1. 2T - 0% 0% 1. You can see c8t3d0 disk has been removed from MUA1 zpool. Jul 10, 2012 · Here we are trying to import the destroyed zpool. zpool The column names correspond to the properties that are listed in Listing Information About All Storage Pools or a Specific Pool. When you need to generically refer to a Did you try 'df -h' as recommended? 'zfs list' will also show your filesystems, mount points and free capacity. Each pool is 12 6TB disks in a 10+2 RAIDZ configuration. Basic Commands. 9G 36K /tank/home tank/home/eric 547K 66. 71G 29. Aug 8, 2016 · I upgraded to Ubuntu 16. Now, I can copy files into pool and into fs. 05x ONLINE - The column names correspond to the properties that are listed in Listing Information About All Storage Pools or a Specific Pool. 5K 1. operator. The pool can still be used, but some features are unavailable. There's 3 types of datasets in ZFS: a filesystem following POSIX rules, a volume (zvol) existing as a true block device under /dev, and snapshots thereof. # zpool list. Apr 9, 2013 · The question isn't as stupid as some people think it is. My situation is however different, even after accounting for the reserved (slop) space, the numbers do not seem to add up. # zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT Nov 8, 2022 · If the first ZPOOL loses 3 disks then it can remain mostly functional and have 5 disks of 2TB data on each. Also review ZFS Disk Space Accounting. 8. To develop this filesystem cum volume manager,Sun Micro-systems had spend lot of years and some billion dollars money. 04 is running zfsutils-linux 0. 34T - 60% 73% 2. – cs95. 62 TiB), which amounts to an overhead of 2. 7G 28% ONLINE - dozer Dec 27, 2023 · Other serverfault questions and answers have reported that df -hT should be able to report used space of zfs filesystems properly (minus parity data, possibly compression or dedupe data, but I'm not looking for 100% accuracy here) But for me, df -hT reports the total space as what's available, and the used space as 128K. Zpool Capacity of 256 zettabytes2. And zfs-0. 0T 1. 9G 547K Feb 13, 2022 · ZFS has more complicated allocation then what the df command understands. To unmount a file system, use zfs umount and then verify with df: # zfs umount example/compressed # df. 9G - 0% 0% 1. 00x ONLINE - # zpool destroy oracle - 주의 삭제 여부를 묻지않는다! Apr 9, 2011 · You should probably read up on the following command (man zpool-online): zpool online [-e] pool device If the currently stored data is crucial, make sure you have a backup. ZFS has features like snapshots, compression, de-duplication and more that all impact the usage and available capacity but will not change the apparent usage from perspective of 'df'. 98G 78. d/zfs. zpool status; zpool list: Lists all active pools with their basic properties. Tested on my own box with 15 6T sparse files in a RAIDZ3, got the following: root@banshee:~# zpool list z3 NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT z3 89. see here how that failed as well and went up my list of getting rid off and reconsider. # zpool import tank The devices below are missing, use '-m' to import the pool anyway: c5t0d0 [log] cannot import 'tank': one or more devices is currently unavailable # zpool import -m tank # zpool status tank pool: tank state: DEGRADED status: One or more devices could not be opened. See the "Properties" section for a list of valid properties that can be set. 02M total estimated size is 5. 00x ONLINE - Dec 8, 2014 · zpool status -l rpool or zpool status -v. *zpool list shows the exact same free space on both systems (e. 1G 580M 85% / # zpool list NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT rpool 3. With the legacy commands, you cannot easily discern between pool and file system space, nor do the legacy commands account for space that is consumed by descendent file systems or snapshots. img invalid vdev specification use '-f' to override the following errors: /mnt/c/zfs/pool. img is part of potentially active pool 'vmware' sudo zpool create -df vmware /mnt/c/zfs/pool. 0E - 98% 1. 00x ONLINE - root@banshee:~# zfs list z3 NAME USED AVAIL REFER MOUNTPOINT z3 1. There's a few blogs around the net about it but if I remember correctly I think the RAID-Z functions are basically handled by slightly higher level code (compared to the zpool) that just receives in the data to write, then sends out records DESCRIPTION zpool import [-D] [-d dir|device]… Lists pools available to import. Code: NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT root 314G 301G 12. 5. g. The file system can be re-mounted with zfs: # zfs mount example/compressed # df Payout details. vdevprops(7), zpool-features(7), zpoolprops(7), zpool-list(8) Disk Space Accounting for ZFS Snapshots. Then ANY two of the four drives can fail at the same time without data loss. Because 4TB != 10TB there is a difference in capacity in Nov 25, 2024 · I created a 3 * 16tb disk pool, then later extended 3 times (via new extend feature) with 3 * 18tb disks. ZFS has many cool features over traditional volume managers like SVM,LVM,VXVM. The others only say 538G because df doesn't actually know the size; it guesses by adding Used and Avail, and all the file systems only have 538G Avail because zroot/mydata is using 349G. 2G 92G 4% / devfs 1. We have 2x zpools, one of which is made up of several disks. 30G 165T 205K /pool/dataset it’s 32TB ish of data, not 7. 4 in proxmox. , i have read some where that df -h also doesnt consider space consumed by snapshots. using zpool list as below: Jun 5, 2022 · I assume ZFS stores some metadata or snapshots or something like that which is not added up by using `df` (and `zfs list` REFER). but could not start lxd containers, as it appears that appropriate volumes are missing in zpool. Edit 1: I've seen different conflicting recommendations regarding the logbias setting (throughput or latency). Yep. zfs list. Reply reply more reply More replies More replies zfs list says you have 3. For example: # zpool scrub zroot. The zpool list command reports how much space the checkpoint takes from the pool. Applies to: Solaris Operating System - Version 10 6/06 U2 and later $ df -h Filesystem Size Used Avail Capacity Mounted on /dev/ada4p2 105G 4. Jun 9, 2022 · I am not an experienced sysadmin by any means but reading the description of both of these does not seem to answer your own questions. Previous message: df with ZFS vs. 2T backup/DATA 1,2T 380G 834G 32% /backup This is zpool list: # zpool list NAME SIZE ALLOC FREE Sep 10, 2016 · [root@freenas ~]# zpool list NASBackup NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT NASBackup 928G 719G 209G - 62% 77% 1. Go ahead with this, if you have valid replicas in the zpool. Similar to the -d option in zpool import. As this is a raidz1 using mixed capacity disks, with 6 Aug 16, 2018 · Tools like df and pydf will just confuse you when working with ZFS, so just ignore those, especially when you start making full use of snapshots and datasets. Jan 29, 2020 · zfs の便利な機能 Top10Linus が zfs を linux kernel にマージしないっていう姿勢がちょっと前に話題になっていたけど、zfs の便利な機能を Top10 形式で出す… a "filesystem" aka "dataset" is carved out of the "zpool", so generally you want to have one big zpool unless you want to have multiple small ones, since your dataset cannot be larger than the pool Reply reply Dec 26, 2024 · # zpool scrub -p {pool} # zpool scrub -p zroot When a scrub is paused, the zpool scrub command again resumes it. Since ZFS uses a pooled storage model, the additional space will be automatically available to all datasets in the pool. 26x ONLINE /mnt [root@freenas ~]# zfs list -o space NASBackup NAME AVAIL USED USEDSNAP USEDDS USEDREFRESERV USEDCHILD NASBackup 77. However, I see different results when I query it using zfs list vs. Finally, I'd like to know if someone has any idea how can I import the zpool or how to access the data in the zpool? And why this happened? Feb 16, 2023 · RAID is implemented in a zpool and can be striped, mirrored, or raid-z. 00x ONLINE - tank 61. 22M 89. 3K /ztest The zpool list and zfs list commands are better than the legacy df and du commands for determining your available ZFS storage pool and file system space. zpool add mypool /dev/sdb; zpool remove: Removes a device from an existing pool. Check the zpool status of MUA1. 0G 1% /poolm TID{root}# zpool list poolm NAME SIZE ALLOC FREE CAP HEALTH ALTROOT poolm 1. 0G 31K 2. This rules out column names containing spaces or special characters and column names that start with an integer. " is the REFER column same as USED? # zfs list NAME USED AVAIL REFER MOUNTPOINT arch2 709K 101T 153K /arch2 vault 729K 144T 153K /vault # df -h /arch2 Filesystem Size Used Avail Use% Mounted on arch2 102T 160K 102T 1% /arch2 I understand from googling that these are "estimates" and certainly for the zraid1 pool, the difference between 101T and 131T takes in affect the two disks May 27, 2014 · a df -h shows me: Code: # zpool list NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT RAIDz2-01 21. Aug 3, 2016 · $ sudo zpool create cartwheel mirror wwn-0x5001173100406557-part1 wwn-0x50011731004085a7-part1 -f $ sudo zpool add cartwheel mirror wwn-0x50011731002b50d0-part1 wwn-0x50011731002b33ac-part8 -f Finally, execute the following command to make sure it was created on the system: $ zpool status $ zpool list $ df -H Sample outputs: May 25, 2018 · @RubenKelevra Sure, feel free to open a PR to improve the manpages' description of the difference between the the allocated/free space listed in zpool list, and the used/available space listed in zfs list. 0K 1. 5G - - 75% 96% 1. Check zpool status # zpool status. zpool-export(8), zpool-list(8), zpool-status(8) Powered by the Ubuntu Manpage Repository, file bugs in Launchpad The zpool list and zfs list commands are better than the previous df and du commands for determining your available pool and file system space. 0T 12% 1. 04 and now zfs list shows ~28-30GB less free space on each of my 3 zpools. 7T 7. 16. For example, on a Ubuntu Desktop 19. 4 P. d search paths. I know plenty of people struggling with that difference, and what to use where. 302GB vs 330GB). Once a spare replacement is initiated, a new spare vdev is created within the configuration that will remain there until the original device is replaced. Feb 11, 2014 · 2. 00x ONLINE /mnt Jan 6, 2023 · After booting up again, df and zpool list show that my pool is full. 05 and balances more than 0. # zpool create datapool raidz c3t0d0 c3t1d0 c3t2d0Create RAID-Z vdev pool# zpool add datapool raidz c4t0d0 c4t1d0… Oct 4, 2012 · zpool list NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT storage 8. 06G 638M 83% 1. 7G 0% ONLINE - # zpool export tank # zpool import tank # zpool list tank NAME SIZE USED AVAIL CAP HEALTH ALTROOT tank 33. ext4 /dev/vgname/lvname: zpool scrub mypool; View File System Usage: df -h /mnt: zfs list; Create Snapshot: lvcreate -L 1G -s -n snapname /dev/vgname/lvname: zfs snapshot mypool@snap1; Delete Snapshot: lvremove /dev/vgname/snapname: zfs destroy mypool@snap1 Verifying data across filesystem boundaries is a more complex job than tools like du and df (or filesystem-specific equivalents like zfs list and zpool list) are really up for. The same in zfs list output. 5T 2. 58%. You could avoid that at the cost of performance by switching from two 2-way mirror vdevs over to one 4 drive RAIDz2. By default snapshots are hidden so use zfs list -t snapshot or zfs list -t all to see them. zpool list report. zpool list and zfs list -r poolname show the difference: Jan 13, 2025 · Understanding How ZFS Calculates Used Space (Doc ID 1369456. txt Take a look at the Size column from df for zroot/mydata. 7G 16. You can only reference columns that are valid to be accessed using the . 0G 12. However, when I run zpool status -l rpool it just lists a single disk. 70T - - 41% 62% 1. In this case, the user can force the pool to be imported. 02M TIME SENT SNAPSHOT # zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT backup 960M 80. 3GB; so, how do I refresh “sudo zfs list”? I have other datasets that match up (size used on disk is roughly the same size reported as used by zfs; not concerned about 4k May 12, 2018 · By the way, df[label] vs df['label'] is like comparing apples and oranges; semantically they do not mean the same thing (as I've explained above). 79T 19. 00x ONLINE In this case, I have added a new vdev (a mirror) to a root pool, and therefore have read the zpool manual (man zpool). NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT. 00x ONLINE - May 22, 2014 · zpool create는 file system 생성과 mount가 모두 완료되어있어 바로 사용할 수 있다. Anyone here has any experience with this? # zpool list NAME SIZE ALLOC FREE CAP HEALTH ALTROOT tank 80. 00x ONLINE - 삭제. 13x ONLINE - but df -sh shows resulting (not deduplicated size) df -hT Filesystem Type Size Used Avail Use% Mounted on storage zfs 16T 14T 1. zpool list NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT rpool 55. Get some decent storage before enabling it. In Veritas volume manages,we carry out such a tasks in online without un-mounting the filesystems. See the vdevprops(7) manual page for more information on what properties can be set and acceptable values. 9T 89% /storage So I have 16 10TB drives in a striped raidz2 config. I believe that the ashift value should set a floor on minimum file size for ZFS. 4G 858G 0 27K 0 858G [root@freenas ~]# zfs get "name,available,used,logicalused,compressratio" NASBac kup 2>&1|less NAME PROPERTY # zfs send -v -i mypool@replica1 mypool@replica2 | zfs receive /backup/mypool send from @replica1 to mypool@replica2 estimated size is 5. 5 1TB disks in RAIDZ1 would mean that you get 4TB of space as 1 disk worth of space is used for parity. 06G 580M 31K /rpool rpool/ROOT 3. or so I thought . 00x May 27, 2021 · $ df -h /pool/dataset Filesystem Size Used Avail Use% Mounted on pool 197T 32T 165T 17% /pool $ sudo zfs list NAME USED AVAIL REFER MOUNTPOINT pool/dataset 7. 97G 0% 1. On pool vol1 I have destroyed a couple of datasets that had the files on them and to see if this also occurred on priv_vol1 I used the rm-command. df. 1. So, each pool has a raw storage space of 12*6=72 TB and usable space of 10*6=60 TB. 30G - 48% 61% 1. 25M 57. ZFS list shows how much actual space you have available to use. SEE ALSO. ZFS is capable of managing data that spans across devices. Sep 25, 2015 · You're completely right, and to make things more confusing I think the zpool list output is correct if you use mirrors (showing half the raw space). Also unless you have reasons not to, you should attend to the zpool status message about upgrading feature sets. zilsaxattr GUID org. 023438 Jan 1, 2021 · When creating a single zfs disk pool consisting of only one disk with a capacity of 1TB (= 931GiB) the file system only showed 899 GiB free space (df -h or zfs list; zpool list actually showed the partition size (931 GiB) minus some overhead (resulting in 928 GiB space). #zpool list NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT rpool 19. txt echo "my test data" > test2. Verify that example/compressed is not included as a mounted file under the output. Here is the some of the advantages listed below. The use of virtualization would likely affect the overall benchmark, but the relative performance of ZFS vs. -d, -discard Discards an existing checkpoint from pool. openSUSE is a Linux-based, open, free and secure operating system for PC, laptops, servers and ARM devices. you used df -H, not df -h - -H is explicitly asking for 10 3 units. 69G 3. You said your zpool is full but /var is in the boot pool, right? If your boot pool is full you need to be careful about just deleting files from there. ) measures disk space in binary bytes, i. sudo lsblk sudo zpool create pool1 /dev/sdb /dev/sdc Check that it worked: sudo zpool list df -h Chown it for a non-root user if you want: sudo chown -Rfv user1:user1 /pool1 Test creating files: cd /pool1 touch test1. openzfs:zilsaxattr DEPENDENCIES extensible_dataset READ-ONLY COMPATIBLE yes If I use zpool to directory the available spare, it tells me MYSELF have over 096 GB free, yet the actual free space available (and shown by df or zfs list) exists only adenine mere 70 U, almostly ten per less: $ z zpool scrub mypool; Resize File System: resize2fs /dev/sda1: Automatically resized with zpool add or zpool attach; View File System Usage: df -h /mnt: zfs list; Check Disk Usage: du -sh /mnt/* zfs get used,available mypool; Create Snapshot: Not available natively: zfs snapshot mypool@snap1; Delete Snapshot: Not available natively: zfs destroy However, the vdev's assumed parity ratio does not change, so slightly less space than is expected may be reported for newly-written blocks, according to zfs list, df, ls-s, and similar tools. Sufficient replicas exist for the pool to continue Mar 1, 2016 · Hi all, I have a test pool that I know is gone for good since a reformat the drive and create another zpool with it. 9G 114K 33. ZFS snapshots,clones and Sending-receiving Hi, so here's my setup, I have a zpool with dedup property on and a zfs under this pool. Test it. # zpool list NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT zfs-data 149G 46. 4G - 33% 42% 1. zpool list; zpool add: Adds a new device to an existing pool. sudo zpool create -d vmware /mnt/c/zfs/pool. Delete All Datasets In A Pool zfs destroy -r [pool name] Delete a Pool sudo zpool destroy [pool name] Check Disk Statuses zpool status zfs list zpool status will give me how your have configured your drives zfs list will give me all datasets with their respective mount points and how much space was given to each dataset. ZPOOL_VDEV_NAME_GUID Cause zpool subcommands to # zpool list NAME SIZE ALLOC FREE CAP HEALTH ALTROOT tank 80. root@UAAIS:~# zpool split MUA1 MUA2 root@UAAIS:~# 3. The purpose of the zdb command is to provide an view of the inner workings of the file-system. But most file stat programs (zfs list, zpool list, df, du, etc. 00x ONLINE - ^^^^ df -h /usr2 Jul 25, 2013 · One of the prime job of Unix administrators will be extending and reducing the volumes/filesystems according to the application team requirement. 97G 88K 1. 0G 22. 81TiB. 5K 492M 0% 1. 5G 77% 1. . A pool-wide scrub is initiated at the end of the expansion in order to verify the checksums of all blocks which have been copied during the expansion. Automatically resized with zpool add or zpool attach; Check File System Integrity: fsck. as you can see if you compare "df -h" output and "zpool list" output. d and /etc/zfs/zpool. The zpool list shows parity space as storage space used. 43G 11. 5G 20 # zpool create tank mirror c0t6d0 c0t7d0 # zpool list tank NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT tank 136G 95. 2M 910M Jul 27, 2013 · Oracle recommends to spread the zpool across the multiple disks to get the better performance and also its better to maintain the zpool under 80% usage. zpool list Messages sorted by: Am 15. Apr 23, 2020 · To change the value temporarily at runtime on Linux, you can change the module parameter without rebooting: This will take effect immediately, and df will show the extra space straight away. Similar to the zpool status command output, the zpool import output includes a link to a knowledge article with the most up-to-date information regarding repair procedures for the problem that is preventing a pool from being imported. 5G 43. Break the mirror using zpool split command. 06G / Apr 6, 2017 · % df -h /contentA Filesystem Size Used Avail Use% Mounted on contentA 58T 58T 0 100% /contentA % zpool list contentA NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT contentA 65T 64. That was a bad idea :) The Docker dataset started filling the rpool zpool pretty quick. 00x ONLINE /mnt. 8T 2. Nov 16, 2019 · zpool list showed TB's free in the pool, but df -h showed 0. 5T - 0% 0% 1. 9G - - 35% 52% 1. To figure out that you should refer to the AVAIL space from the zfs. 1TB free but zfs really only has 339GB free. To summarize : This feature becomes active after the next zpool import or zpool reguid. Is this normal behavior? I've done a ton of searching and some people say it is, some people say it isn't so I'd like to obtain a definitive answer before I put my FreeNAS box into production. 7G 28% ONLINE - dozer Jun 4, 2015 · Create Mirror Pool: TID{root}# zpool create poolm mirror c1t5d0 c1t6d0 TID{root}# df -h /poolm Filesystem size used avail capacity Mounted on poolm 2. At this point, the hot spare becomes available again, if Zpool storage capacity: 9. Look at zfs list instead. 8G 94K 16. 00x ONLINE - mypool 960M 50. Refer here. # zpool list tank NAME SIZE USED AVAIL CAP HEALTH ALTROOT tank 16. BTC payouts are processed once a day, in the evening, for balances above 0. That is 10TB of readable data from the first Zpool. But in ZFS, once […] This is a colon-separated list of directories and overrides the default ~/. Is there a way to find out what is taking up all that space? And how to free that space? Review the following sections if you are unsure how ZFS reports file system and pool space accounting. Jun 19, 2008 · I created a new virtual disk, preallocating 8GB of space for the disk. List zpools # zpool list. 00x ONLINE - # zpool add datapool mirror disk3 disk4 # zpool status datapool pool: datapool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM datapool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 disk1 ONLINE 0 0 0 disk2 ONLINE 0 0 0 Sep 16, 2014 · The Idea was that my OpenVZ guests (all Centos 6. So the dedup worked perfectly fine, I have 100 files as described above and 'zfs list' shows me the file size which is single file size * 100 and 'zpool list' shows me the raw size on disk, which is a zpool set property=value pool vdev Sets the given property on the specified vdev in the specified pool. *2 disk mirror *zfs list is about 30GB less free space (e. 9G 14. xTB) -- but "zpool list" reports the formatted size of all 4 drives (~11TB). ZPOOL_VDEV_NAME_GUID Cause zpool subcommands to output vdev guids by default. zpool remove mypool /dev/sdb; zpool scrub: Initiates a scrub to verify data integrity and correct errors if necessary. oracle 1. 00x ONLINE - The column names correspond to the properties that are listed in Listing Information About All Storage Pools or a Specific Pool. # zpool import -D pool: data_pool id: 9205677892434161971 # zpool list -v data NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT data 23. e. Nov 1, 2020 · The zpool was originally create in proxmox, I tried the same commands in there and in the manjaro, and get alls the same result. 00x ONLINE - % zfs list contentA NAME USED AVAIL REFER MOUNTPOINT contentA 58. A zpool can contain numerous directories. 16G 9. This doesn’t reflect the amount of data you can store on the pool. # zpool import -D data_pool # zpool status -x all pools are healthy. May 16, 2020 · zpool shows the total bytes of storage available in the pool. 2011 14:39, schrieb Andreas Nov 25, 2024 · Get Space Info For ZFS Storage Pool. 0T 0 58. I confirm ashift=9. 9G 0% ONLINE - zpool doesnt consider parity data but zfs list. zpool-get/zpool-set Retrieves the given list of properties (or all properties if all is used) for the specified storage pool(s). 06G 580M 31K /rpool/ROOT rpool/ROOT/ubuntu-1 3. 00x ONLINE - # zfs list NAME USED AVAIL REFER MOUNTPOINT rpool 3. The only property supported at the moment is ashift. 00x ONLINE - # zfs list tank NAME USED AVAIL REFER MOUNTPOINT tank 72K 134G 21K /tank Aug 4, 2016 · Please note that I do not believe this is related to misinterpreting the results returned by zpool list vs. 8M 879M - - 0% 8% 1. This is the output of df -h, the total size is already down to 1. 0K 0B 100% /dev/fd storage 28T 153K 28T 0% /storage storage/Personal 28T 153K 28T 0% /storage/Personal $ zpool list NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT storage 36. conf and add: Aug 15, 2016 · I have a ZFS server with 8 zpools. The syntax is: # zpool status -v #zfs list NAME USED AVAIL REFER MOUNTPOINT pool 450K 457G 18K /pool pool/home 315K 457G 21K /export So I have 16 10TB drives in a striped raidz2 config. Zpool list reports 8. May 10, 2020 · Pool Related Commands # zpool create datapool c0t0d0Create a basic pool named datapool# zpool create -f datapool c0t0d0Force the creation of a pool# zpool create -m /data datapool c0t0d0Create a pool with a different mount point than the default. 6G 9. I'm using zfs-0. 0K 0B 100% /dev fdescfs 1. However, the vdev's assumed parity ratio does not change, so slightly less space than is expected may be reported for newly-written blocks, according to zfs list, df, ls-s, and similar tools. 7G 3. Sets the given pool properties. 45M 66. A ZFS snapshot is a read-only copy of a dataset at a given point in time. ZFS uses virtual storage pools, called zpools. The below command is going to break the mirror of MUA1 zpool and its going to create a new zpool called MUA2 using the detached disk of MUA1 zpool. 8G - 49% 83% 1 May 14, 2013 · # df -h Filesystem Size Used Avail Use% Mounted on rootfs 3. Once you send me those, I should be able to see what is going on and perhaps even tell you where did your extra space went. The zpool status command reports the progress of the scrub and summarizes the results of the scrub upon completion. The search path for devices or files to use with the pool. I had to remove a defective disk lately and tried to add a few spare external SSDs to prevent the pool from going over 95% usage, and removed part of them, and now I have 5 of these indirect-X things that I have no idea how to remove. 5-1 in manjaro. 6. ZPOOL_IMPORT_UDEV_TIMEOUT_MS The maximum time in milliseconds that zpool import will wait for an expected device to be available. 04 (new install) from Ubuntu 14. rpool 15. If the zpool usage exceed more than 80% ,then you can see the performance degradation on that zpool. Quotas also affect the output of the zfs list and df commands. For what? Yuck. the in-kernel filesystem should still be indicative of the performance you might expect from ZFS running through FUSE. 12. tebibytes (TiB). Probably better to remove old snapshots if you can. My thinking was that 40TB would be used for redundancy and I should have 120TB of usable storage space, but neither zpool list nor df -h show that, and the results are very different. 76TiB vs 1. 0125 are included in one of the payouts each day. 59T 2. 93T 6. Create a zpool zpool create fastpool \ -o ashift=12 \ -o autotrim=on \ -O compression=lz4 \ -O dedup=off \ -O xattr=sa \ -O acltype=posixacl \ -O atime=on \ -O relatime=on \ -O sync=standard mirror nvme01 nvme02. 0G 31K /tank/home/jeff/ws tank/home/lori 547K 66. To make the change permanent, create or edit /etc/modprobe. Type the following command: # zpool list You will see output as follow for all pools on the system (see Table 1 below): NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT lxdzfs 127G 3. - You seem to be running the (absolutely horrlble) MongoDB thing on your firewall. 9G 547K /tank/home/eric tank/home/jeff 322K 10. 9G 394K 13. 98T 4. At the end of the section zpool add, it states:-o property=value. 6 That's actually interesting, what's the full config + ' zpool status -v ' look like with ' zpool list; zfs list ' available figures? I think it would make some sense to have fast resilvers with 16TB drives and 2 pdisks resilience, especially if you don't have another 16TB drive handy to throw in as a spare. As @richardelling mentioned, this is complicated, but a common source of confusion. In traditional file systems we use df(1) to determine free space on partitions. Code: NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT SSD 12. 8G 22. 00x ONLINE - # df -h Filesystem Size Used Nov 22, 2023 · # zpool list # df -h Some more notes: - Those netflow DBs and logs can eat entire disk space easily. The zpool list and zfs list commands are better than the previous df and du commands for determining your available pool and file system space. 46G 39% 1. $ zfs list NAME USED AVAIL REFER MOUNTPOINT ztest 261K 1. action: Upgrade the pool using 'zpool upgrade'. Quick background: I've been using ZFS on several OSes (OpenSolaris, FreeBSD, Linux) for a little over 8 years now, and am knowledgeable of the differences between the various sizes reported by zpool list , zfs list , and df . Monitoring zpool-status Displays the detailed health status for the given pools. Apr 20, 2018 · When I created pool1 via zpool create pool1 sda sdb sdc and than zpool create pool1/fs I can see two new lines in df -h output with pool1 and pool1/fs. That last one is the most # zpool create healer mirror /dev/ada0 /dev/ada1 # zpool status healer pool: healer state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM healer ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ada0 ONLINE 0 0 0 ada1 ONLINE 0 0 0 errors: No known data errors # zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT The zfs list command lists the usable space that is available to file systems, which is disk space minus ZFS pool redundancy metadata overhead, if any. sudo zpool import data and the status of my zpool is like this: user@server:~$ sudo zpool status pool: data state: ONLINE status: The pool is formatted using an older on-disk format. openzfs:zilsaxattr DEPENDENCIES extensible_dataset READ-ONLY COMPATIBLE yes Either run zpool list and df -h or look at the storage widget on the web dashboard to check if the pool size has increased and if the changes are reflected in your filesystem. 6G 6. Is there a way to remove this from the supposedly available list of pools? Things I have already tried: - zpool export -f - zpool destroy -f - reboot pool: usb-test id Zpool list shows raw bits available on all disks in the pool ZFS list shows usable bits available after things like parity and other overhead. 51TiB available. If unable, disable and reset netflow data. 10 installation (with ZFS support added), there are two basic pools: zpool list 命令提供了多种方法来请求有关池状态的信息。可用信息通常分为以下三个类别： 基本使用情况信息、I/O 统计信息和运行状况。 可用信息通常分为以下三个类别： 基本使用情况信息、I/O 统计信息和运行状况。 Jan 5, 2025 · # zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT zroot 43. When a snapshot is created, its disk space is initially shared between the snapshot and the file system, and possibly with previous snapshots. It doesn’t take into account overheads and doesn’t tell you where the data usage i …View the full answer Aug 12, 2012 · The FreeNAS GUI and "df -h" / "zfs list" report this properly (~5. Advantages:1. 06G 580M 3. The zpool status command indicates the existence of a checkpoint or the progress of discarding a checkpoint from a pool. List Pools sudo zpool list Create Pools. Docker vs pi comments. If the above command, may fail, import the zpool forcefully and bring the missing devices online. zpool list Zpool list is the physical view which tells you how many bytes are currently being stored on disk. sudo zpool list -v gives me 98tb pool size for my-pool -size : 98tb -alloc : 35tb -free : 63tb But in Truenas (GUI) i have : -usable : 65tb -used : 23tb -awalable : 42tb This is a new Truenas instance, and i just did these operations. r/openSUSE. zpool create -O casesensitivity=insensitive -O compression=lz4 -O atime=off -o ashift=12 tank PHYSICALDRIVE1 I get less available space showing up in file explorer and zpool, than the disk capacity itself: 1. 3G 47. 0G 291K /tank/home/jeff tank/home/jeff/ws 31K 10. A ZFS dataset behaves like other file systems and is mounted within the standard system namespace. img cannot create 'vmware': no such pool or dataset sudo zpool list no pools available Mar 11, 2019 · 1. 04T 16. To increase or reduce the filesystem, you need to add or remove the disks from the diskgroup in vxvm. Same as df -h. This is a colon-separated list of directories in which zpool looks for device nodes and files. 2G 103G 31% 1. g 359GB) Ubuntu 16. Properties can be retrieved or set on the root vdev using zpool get and zpool set with root as the vdev name which is an alias for root-0. 5K 136G 0% 1. Jul 3, 2015 · Virtual disk is 55GB df report. 2T 960K 36. Though the host itself seemed to be fine. 06250 Which is reflected by your zpool list command, however, 'zpool list' only shows you the raw capacity of your pool. 1) Last updated on JANUARY 13, 2025. 9G 8. 8G 20. If the -d or -c options are not specified, this command searches for devices using libblkid on Linux and geom on FreeBSD. zpool create mypool /dev/sda; zpool destroy: Destroy a ZFS pool (irreversible) zpool destroy mypool; zpool status: Check the status of pools and devices: zpool status; zpool list: List all active pools: zpool list; zpool add: Add a device to an existing pool: zpool add mypool /dev/sdb; zpool remove: Remove a device from the pool: zpool remove Spares can be shared across multiple pools, and can be added with the zpool add command and removed with the zpool remove command. If the second Zpool suffers a loss of 3 disks at 4TB each then only one 4TB disk remains readable from the second Zpool. It's 887G, which is more than 3x250G could possibly provide. Hence i use zfs list to calculate real usable storage Reply Dec 5, 2022 · One thing you should understand how to do is the management of your ZFS Pools. My issue is we're running Solaris 10 on a HP DL380 G5 and I suspect the non native hardware is confusing things. Your df -h /usr2 Filesystem Size Used Avail Use% Mounted on pool01/usr2 682G 541G 142G 80% /usr2 ^^^^ What could explain the missing 3GB in used space on "df -h"? Also: zpool list pool01 NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT pool01 696G 544G 152G 78% 1. That worked fine (including the zfs destroy), but my rpool zpool is still full, even across reboots (in case there were open files): # zpool list datapool NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT datapool 492M 89. zfs list will include things like if you have reservations that stop you from using that space for other things, like zvols default to being created with, or estimated space remaining after raidz overhead, while the "ALLOC" column of zpool list tells you how much space actually is allocated to data really written, would be my terse summary. zpool list Next message: df with ZFS vs. However, the available size according to zfs list/df is 54560512935936 bytes (49. For example: # zfs list -r tank/home NAME USED AVAIL REFER MOUNTPOINT tank/home 1. Actual used space can be higher than the amount of data stored due to things like sector allocation size. clear pool [device] Clears device errors in a pool. So I'm duplicating a very large file while only editing the first few hundreds of bytes for each file. The default output for the zpool list command is designed for readability and is not easy to use as part of a shell script. The following ZFS dataset configurations are tracked as allocated space by the zfs list command but they are not tracked as allocated space in the zpool list output: ZFS file system quota Nov 23, 2017 · The purpose of the zpool and zfs commands is to allow the administrator/user to make changes and get status information. 7G 0% ONLINE - # zpool replace tank c0t0d0 c0t4d0 # zpool list tank NAME SIZE USED AVAIL CAP HEALTH ALTROOT tank 16. 118 "referenced Number N/A Read-only property that identifies the amount of data accessible by a dataset, which might or might not be shared with other datasets in the pool. Jul 11, 2012 · ZFS-Zetta Byte filesystem is introduced on Solaris 10 Release. Jan 6, 2022 · Hi all, I checked the doc Managing ZFS File Systems in Oracle® Solaris 11. gpart list da1 says gpart: no such geom: da1; zpool list says no pools available; glabel list -a does not show any pool in da1; zdb -l /dev/da1 is able to print the two labels in da1, so my disk is not dead; zpool import -D says that the pool on da1 is destroyed, and may be able to imported; Solution: Run zpool import -D -f (poolname) solved Dec 20, 2018 · zpool list # zpool list NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT lxd 13. 00x ONLINE - zdata 99. 98G 0% ONLINE - TID{root}# zpool status poolm pool: poolm state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM poolm Jul 3, 2015 · Virtual disk is 55GB df report. Scripting ZFS Storage Pool Output. col. 8G 112K 16. To accelerate the ZPOOL performance ,ZFS also provide options like log devices and cache devices. With the legacy commands, you cannot easily discern between pool and file system space, nor do the legacy commands account for space that is consumed by descendant file systems or snapshots. zpool raw size is the same (as much as I can tell with such limited precision from zpool list). ZPOOL_SCRIPTS_ENABLED Allow a user to run zpool status / iostat -c . zpool-list Lists the given pools along with a health status and space us- age. 00075; Payouts for all other currencies are made automatically every 4 hours for balances above 0. Check your device names and use them to create a zpool. vbd lphn orshk hjpzbey tkvcih jzr sfxtj hsdu yqss nej