# - bof - # # - Documentation - # # - - # https://wiki.archlinux.org/title/ZFS https://ramsdenj.com/2016/06/23/arch-linux-on-zfs-part-2-installation.html#pre-install-setup :a # - - # # - Install Zfs support - # yay -S zfs-utils zfs-dkms; :b # - - # # - Enable services - # sudo systemctl enable zfs-import-cache \ zfs-mount \ zfs-import.target \ zfs.target; sudo systemctl start zfs.target; :c # - - # # - Enable ZFS support without rebooting - # sudo modprobe zfs; :d # - - # # - Testing if ZFS works - # # - The command should report ‘no pools available’ - # zpool status; sudo zpool status; :e # - - # # - Create Zpool - # sudo zpool create -f -o ashift= mirror mirror zpool create [-fnd] [-o property=value] ... \ [-O file-system-property=value] ... \ [-m mountpoint] [-R root] ${POOL_NAME} ${DISK} ... Flags: -f - Force. -n - Display creation but don’t create pool. -d - Do not enable any features unless specified. -o - Set a pool property. -O - Set a property on root filesystem. -m - Mountpoint. -R - Set an alternate root location. sudo mkdir /DataPool zpool create -f -m /DataPool DataPool \ mirror \ ata-ST3000DM001-9YN166_S1F0KDGY \ ata-ST3000DM001-9YN166_S1F0JKRR \ mirror \ ata-ST3000DM001-9YN166_S1F0KBP8 \ ata-ST3000DM001-9YN166_S1F0JTM1 # - - # # - VManager HDD installation - # sudo zpool create -m /home/DataPool DataPool mirror vdb vdc mirror vdd vde; # - - # # - BareMetal HDD installation - # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS sda 8:0 0 465.8G 0 disk ├─sda1 8:1 0 640M 0 part /boot ├─sda2 8:2 0 16G 0 part [SWAP] ├─sda3 8:3 0 60G 0 part /home │ /var │ /.snapshots │ / └─sda4 8:4 0 389.1G 0 part /home/Data sdb 8:16 0 7.3T 0 disk └─sdb1 8:17 0 7.3T 0 part sdc 8:32 0 7.3T 0 disk sdd 8:48 1 0B 0 disk sr0 11:0 1 1024M 0 rom ls -lah /dev/disk/by-id; total 0 drwxr-xr-x 2 root root 400 Jan 5 14:59 . drwxr-xr-x 8 root root 160 Jan 5 14:16 .. lrwxrwxrwx 1 root root 9 Jan 5 14:16 ata-hp_DVDRW_DU8A6SH_4A6605904686 -> ../../sr0 lrwxrwxrwx 1 root root 9 Jan 5 14:16 ata-ST8000VN004-2M2101_WSD21J73 -> ../../sdc lrwxrwxrwx 1 root root 9 Jan 5 14:16 ata-WDC_WD8004FRYZ-01VAEB0_VRGXVEKK -> ../../sdb lrwxrwxrwx 1 root root 10 Jan 5 14:16 ata-WDC_WD8004FRYZ-01VAEB0_VRGXVEKK-part1 -> ../../sdb1 lrwxrwxrwx 1 root root 9 Jan 5 14:16 ata-WDC_WDBNCE5000PNC_181237420295 -> ../../sda lrwxrwxrwx 1 root root 10 Jan 5 14:16 ata-WDC_WDBNCE5000PNC_181237420295-part1 -> ../../sda1 lrwxrwxrwx 1 root root 10 Jan 5 14:16 ata-WDC_WDBNCE5000PNC_181237420295-part2 -> ../../sda2 lrwxrwxrwx 1 root root 10 Jan 5 14:16 ata-WDC_WDBNCE5000PNC_181237420295-part3 -> ../../sda3 lrwxrwxrwx 1 root root 10 Jan 5 14:16 ata-WDC_WDBNCE5000PNC_181237420295-part4 -> ../../sda4 lrwxrwxrwx 1 root root 9 Jan 5 14:59 usb-Generic-_SD_MMC_MS_PRO_20120926571200000-0:0 -> ../../sdd lrwxrwxrwx 1 root root 9 Jan 5 14:16 wwn-0x5000c500db602b94 -> ../../sdc lrwxrwxrwx 1 root root 9 Jan 5 14:16 wwn-0x5000cca0c2cd1da2 -> ../../sdb lrwxrwxrwx 1 root root 10 Jan 5 14:16 wwn-0x5000cca0c2cd1da2-part1 -> ../../sdb1 lrwxrwxrwx 1 root root 9 Jan 5 14:16 wwn-0x5001b444a9cddbe8 -> ../../sda lrwxrwxrwx 1 root root 10 Jan 5 14:16 wwn-0x5001b444a9cddbe8-part1 -> ../../sda1 lrwxrwxrwx 1 root root 10 Jan 5 14:16 wwn-0x5001b444a9cddbe8-part2 -> ../../sda2 lrwxrwxrwx 1 root root 10 Jan 5 14:16 wwn-0x5001b444a9cddbe8-part3 -> ../../sda3 lrwxrwxrwx 1 root root 10 Jan 5 14:16 wwn-0x5001b444a9cddbe8-part4 -> ../../sda4 sudo zpool create -f DataPool \ mirror \ ata-WDC_WD8004FRYZ-01VAEB0_VRGXVEKK \ ata-ST8000VN004-2M2101_WSD21J73; sudo zpool create -f -m /home/DataPool \ DataPool \ mirror \ ata-WDC_WD8004FRYZ-01VAEB0_VRGXVEKK \ ata-ST8000VN004-2M2101_WSD21J73; sudo zpool create -f DataPool mirror \ /dev/vdb /dev/vdc; zpool create -d -o feature@allocation_classes=enabled \ -o feature@async_destroy=enabled \ -o feature@bookmarks=enabled \ -o feature@embedded_data=enabled \ -o feature@empty_bpobj=enabled \ -o feature@enabled_txg=enabled \ -o feature@extensible_dataset=enabled \ -o feature@filesystem_limits=enabled \ -o feature@hole_birth=enabled \ -o feature@large_blocks=enabled \ -o feature@lz4_compress=enabled \ -o feature@project_quota=enabled \ -o feature@resilver_defer=enabled \ -o feature@spacemap_histogram=enabled \ -o feature@spacemap_v2=enabled \ -o feature@userobj_accounting=enabled \ -o feature@zpool_checkpoint=enabled \ $POOL_NAME $VDEVS # - - # # - Change mountpoint to an existing Datasets - # # - - # # - List zpools - # zfs list; NAME USED AVAIL REFER MOUNTPOINT DataPool 85.6G 814G 96K /home/DataPool DataPool/Images 85.6G 814G 112K /home/DataPool/Images DataPool/Images/Backup 96K 814G 96K /home/DataPool/Images/Backup DataPool/Images/Programs 85.6G 814G 85.6G /home/DataPool/Images/Programs DataPool/Images/VManager 96K 814G 96K /home/DataPool/Images/VManager # - - # # - Get the mount point for zroot/mysql - # zfs get mountpoint /home/DataPool/Images/VManager; NAME PROPERTY VALUE SOURCE DataPool/Images/VManager mountpoint /home/DataPool/Images/VManager inherited from DataPool # - - # # - Now rename /dbbackup to /dbbackup-prod - # # - instantly by setting the new mountpoint - # sudo zfs set mountpoint=/home/DataPool/VManager DataPool/Images/VManager; # - - # # - Verify - # zfs list; NAME USED AVAIL REFER MOUNTPOINT DataPool 85.6G 814G 96K /home/DataPool DataPool/Images 85.6G 814G 104K /home/DataPool/Images DataPool/Images/Backup 96K 814G 96K /home/DataPool/Images/Backup DataPool/Images/Programs 85.6G 814G 85.6G /home/DataPool/Images/Programs DataPool/Images/VManager 96K 814G 96K /home/DataPool/VManager # - - # # - Get zpool mountpoint - # zfs get mountpoint DataPool; NAME PROPERTY VALUE SOURCE DataPool mountpoint /home/DataPool local zfs get mounted DataPool; NAME PROPERTY VALUE SOURCE DataPool mounted yes - sudo umount DataPool; zfs get mounted DataPool; NAME PROPERTY VALUE SOURCE DataPool mounted no - # - - # # - Create new zpool mountpoint - # sudo mkdir /DataPool; sudo zfs set mountpoint=/DataPool DataPool; sudo zfs mount DataPool; zfs get mountpoint DataPool; NAME PROPERTY VALUE SOURCE DataPool mountpoint /DataPool local zfs get mounted DataPool; NAME PROPERTY VALUE SOURCE DataPool mounted yes - mkdir -p /DataPool/Images/Backup; mkdir -p /DataPool/Images/Programs; mkdir -p /DataPool/Images/VManager; sudo zfs set mountpoint=/DataPool/Images/Backup DataPool/Images/Backup; sudo zfs set mountpoint=/DataPool/Images/Programs DataPool/Images/Programs; sudo zfs set mountpoint=/DataPool/Images/VManager DataPool/Images/VManager; sudo zfs mount DataPool/Images/Backup; sudo zfs mount DataPool/Images/Programs; sudo zfs mount DataPool/Images/VManager; # - - # # - Importing an existing zpool - # la /dev/disk/by-label/; drwxr-xr-x 2 root root 140 Jan 20 20:18 ./ drwxr-xr-x 8 root root 160 Jan 20 20:18 ../ lrwxrwxrwx 1 root root 10 Jan 20 20:18 Arch -> ../../sda3 lrwxrwxrwx 1 root root 10 Jan 20 20:18 Data -> ../../sda4 lrwxrwxrwx 1 root root 10 Jan 20 20:18 DataPool -> ../../sdc1 lrwxrwxrwx 1 root root 10 Jan 20 20:18 'EFI\x20BOOT' -> ../../sda1 lrwxrwxrwx 1 root root 10 Jan 20 20:18 Swap -> ../../sda2 lsblk -f; NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS sda ├─sda1 vfat FAT32 EFI BOOT BDEA-24EB 567.8M 11% /boot ├─sda2 swap 1 Swap e5f92681-9039-4f26-8835-c9679772e372 [SWAP] ├─sda3 btrfs Arch 72affb9d-34f1-4a2c-bf36-cedb4e54db0a 47.9G 19% /home │ /var │ /.snapshots │ / └─sda4 btrfs Data 883b5d02-46f8-4117-adba-bf5617685a66 326.8G 16% /Data sdb ├─sdb1 zfs_member 5000 DataPool 10217075224231342842 └─sdb9 sdc ├─sdc1 zfs_member 5000 DataPool 10217075224231342842 └─sdc9 sudo zpool import -d /dev/disk/by-id sudo zpool import -f -l -d /dev/disk/by-label DataPool; sudo zpool status -v DataPool; sudo zpool import -a; sudo zpool import -D -f DataPool; # - - # # - Importing zpool - # # - Show zpools available - # sudo zpool import; # - Importing DataPpool - # sudo zpool import -f DataPool; zpool status; zpool status -v DataPool; sudo zpool clear DataPool; sudo zpool scrub DataPool; zpool status -v DataPool; # - Properties(all datasets) - # zfs get all; zpool list -v; zpool list -v DataPool; # - - # # - Disk failure - # # - Status DataPpool - # zpool status -v; zpool status -v DataPool; zpool iostat; zpool iostat -v; zpool iostat -v DataPool; zpool iostat; capacity operations bandwidth pool alloc free read write read write ---------- ----- ----- ----- ----- ----- ----- DataPool 7.29G 92.2G 1 0 261K 1.18K zpool iostat -v; capacity operations bandwidth pool alloc free read write read write ---------- ----- ----- ----- ----- ----- ----- DataPool 7.29G 92.2G 1 0 255K 1.15K vdb 7.29G 92.2G 1 0 255K 1.15K ---------- ----- ----- ----- ----- ----- ----- zpool status DataPool; NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT DataPool 99.5G 1.27G 98.2G - - 0% 1% 1.00x DEGRADED - mirror 99.5G 1.27G 98.2G - - 0% 1.27% - DEGRADED vdb - - - - - - - - ONLINE 11861624942519774474 - - - - - - - - FAULTED # - - # # - Offline, remove & detach FAULTED disk - # sudo zpool offline DataPool 11861624942519774474; sudo zpool remove DataPool 11861624942519774474; sudo zpool detach DataPool 11861624942519774474; # - - # # - Create a new GPT partition table - # # - Attached it again with mirror - # sudo zpool attach DataPool /dev/vdb /dev/vdc; # - - # # - Exporting zpool - # zpool status; sudo zpool export DataPool; cannot unmount '/export/home/eschrock': Device busy sudo zpool export -f DataPool; zpool status; # - Add SSD cache - # sudo zpool add -f DataPool cache vdf; zpool status; zfs set sync=always DataPool/Images; zpool add DataPool cache /dev/vda3; zpool status; # - cache stadistics - # zpool iostat -v DataPool; cat random-rw.fio; zpool iostat -v DataPool; zpool status; :f # - - # # - Zpool management - # zpool list; zpool status; # - Add disk(s) - # zpool attach DataPool # - Remove a disk from mirror - # zpool detach DataPool # - Add a single disk - # zpool add DataPool # - Add a new mirrored disks - # zpool add DataPool mirror # - Add a new striped set - # zpool add raidz1 [devN] ... zpool add raidz2 [devN] ... zpool add raidz3 [devN] … # - - # # - Don't use - # # - Destroy a pool (DANGEROUS!) - # zpool destroy DataPool; :g # - - # # - Dataset - # # - Data management - # # - List - # zfs list; zfs list -r -t all; # - Create dataset - # sudo zfs create DataPool/Images; sudo zfs create DataPool/Images/Backup; sudo zfs create DataPool/Images/Programs; sudo zfs create DataPool/Images/VManager; sudo chown -R is_derayo:is_derayo /DataPool/Images; sudo chmod -R 775 /DataPool/Images; # - zfs list properties - # zfs get all; zfs get all DataPool; zfs get all DataPool; zfs get all DataPool/Images; zfs get all DataPool/Images/Programs; # - zfs list properties to a file - # cd ~/Documents; # - All - # zfs get all 2>&1 | tee DataPoolProperties.txt; # - DataPool - # zfs get all DataPool 2>&1 | tee DataPoolProperties.txt; # - DataPool/Images - # zfs get all DataPool/Images 2>&1 | tee DataPoolImages-Properties.txt; # - Get value propertie - # zfs get zfs get quota DataPool/Images; # - Don't use - # # - Change mount point - # └──>> tree . └── [root 4] Images ├── [root 2] Backup └── [root 2] Programs #zfs set mountpoint=/home/DataPool DataPool/Images/Backup; # - Enable compression (off by default, inherits) - # sudo zfs set compression=on DataPool; # - Get compression ratio - # zfs get compressratio DataPool; NAME PROPERTY VALUE SOURCE DataPool compressratio 1.00x - # - Enable deduplication (off by default, inherits) - # sudo zfs set dedup=on DataPool; zfs get compressratio DataPool; NAME PROPERTY VALUE SOURCE DataPool compressratio 1.00x - zfs get compressratio DataPool/Images; zfs get compressratio DataPool/Images/Programs; zfs list; NAME USED AVAIL REFER MOUNTPOINT DataPool 16.6G 176G 24K /home/DataPool DataPool/Images 16.6G 176G 25K /home/DataPool/Images DataPool/Images/Backup 24K 176G 24K /home/DataPool/Images/Backup DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs # - List dataset - # zfs list; # - Get pool deduplication efficiency - # zpool status -D DataPool; # - Set a quota - # zfs set quota= sudo zfs create DataPool/Images/marlene; zfs list; sudo zfs set quota=250M DataPool/Images/marlene; zfs list; NAME USED AVAIL REFER MOUNTPOINT DataPool 16.6G 176G 24K /home/DataPool DataPool/Images 16.6G 176G 25K /home/DataPool/Images DataPool/Images/Backup 24K 176G 24K /home/DataPool/Images/Backup DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs DataPool/Images/marlene 24K 250M 24K /home/DataPool/Images/marlene # - Snapshot management - # # - Snapshot - # # - Saved state of a data store at a certain point in time - # zfs list -r -t snapshot; zfs list -r -t snapshot DataPool; zfs list -r -t snapshot DataPool/Images; # - Create snapshot - # sudo zfs snapshot @ sudo snapper -c rootSnapper create --description 'Manual rootSnapshot '$(date +%Y-%m-%d_%H-%M-%S); sudo zfs snapshot DataPool@DataPoolSnapshot; zfs list -r -t snapshot DataPool; NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 13K - 24K - sudo zfs snapshot DataPool/Images/Programs@DataPoolImagesProgramsSnapshot; zfs list -r -t snapshot DataPool; NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 13K - 24K - DataPool/Images/Programs@DataPoolImagesProgramsSnapshot 0B - 16.6G - sudo zfs snapshot DataPool/Images/Programs@Programs.Snapshot; zfs list -r -t snapshot DataPool; NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 13K - 24K - DataPool/Images/Programs@DataPoolImagesProgramsSnapshot 0B - 16.6G - DataPool/Images/Programs@Programs.Snapshot 0B - 16.6G - zfs list -r -t snapshot; NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 13K - 24K - DataPool/Images/Programs@DataPoolImagesProgramsSnapshot 0B - 16.6G - DataPool/Images/Programs@Programs.Snapshot 0B - 16.6G - zfs list -r -t snapshot DataPool/Images/Programs; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images/Programs@DataPoolImagesProgramsSnapshot 0B - 16.6G - DataPool/Images/Programs@Programs.Snapshot 0B - 16.6G - # - - # # - Manage Snapshots - # # - - # # - DataPool listsnapshots property - # zpool get listsnapshots DataPool; NAME PROPERTY VALUE SOURCE DataPool listsnapshots off default #sudo zpool set listsnapshots=on DataPool; # - - # # - Create DataPool nested Snapshot - # sudo zfs snapshot -r DataPool@DataPool.Snapshot_$(date +%Y-%m-%d_%H-%M-%S); zfs list -rt snapshot DataPool; # - - # # - Roolback DataPool Snapshot - # zfs list -rt snapshot DataPool; sudo zfs rollback @ sudo zfs rollback DataPool@DataPool.Snapshot_2022-02-09_18-02-02; # - - # # - Destroy snapshot (DANGEROUS!) - # zfs list -rt snapshot DataPool; sudo zfs destroy -r DataPool@DataPool.Snapshot_2022-02-09_18-02-02; sudo zfs snapshot -r DataPool/Images@Images.Snapshot; zfs list -rt snapshot DataPool/Images; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs@DataPoolImagesProgramsSnapshot 0B - 16.6G - DataPool/Images/Programs@Programs.Snapshot 0B - 16.6G - DataPool/Images/Programs@Images.Snapshot 0B - 16.6G - DataPool/Images/marlene@Images.Snapshot 0B - 24K - zfs list -r -t snapshot DataPool/Images/Programs; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images/Programs@DataPoolImagesProgramsSnapshot 0B - 16.6G - DataPool/Images/Programs@Programs.Snapshot 0B - 16.6G - DataPool/Images/Programs@Images.Snapshot 0B - 16.6G - # - - # # - Rename snapshot - # sudo zfs rename @ sudo zfs rename DataPool/Images/Programs@DataPoolImagesProgramsSnapshot Programs1.Snapshot; zfs list -r -t snapshot; NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 13K - 24K - DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs@DataPoolImagesProgramsSnapshot 0B - 16.6G - DataPool/Images/Programs@Programs.Snapshot 0B - 16.6G - DataPool/Images/Programs@Images.Snapshot 0B - 16.6G - DataPool/Images/marlene@Images.Snapshot 0B - 24K - sudo zfs rename DataPool/Images/Programs@DataPoolImagesProgramsSnapshot Programs1.Snapshot; zfs list -r -t snapshot; NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 13K - 24K - DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs.Snapshot 0B - 16.6G - DataPool/Images/Programs@Images.Snapshot 0B - 16.6G - DataPool/Images/marlene@Images.Snapshot 0B - 24K - sudo zfs rename DataPool/Images/Programs@Programs.Snapshot Programs2.Snapshot; zfs list -r -t snapshot DataPool/Images/Programs; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/Programs@Images.Snapshot 0B - 16.6G - sudo zfs rename DataPool/Images/Programs@Images.Snapshot Programs3.Snapshot; zfs list -r -t snapshot DataPool/Images/Programs; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs3.Snapshot 0B - 16.6G - # - - # # - Rename all snapshots with same name and all nested data stores underneath - # #sudo zfs rename -r @ # - - # # - Roll back to the latest snapshot (DANGEROUS!) - # #sudo zfs rollback @ # - - # # - Destroy snapshot (DANGEROUS!) - # sudo zfs destroy DataPool/Images/Programs@Programs3.Snapshot; zfs list -r -t snapshot DataPool/Images/Programs; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - zpool get listsnapshots DataPool; NAME PROPERTY VALUE SOURCE DataPool listsnapshots off default sudo zpool set listsnapshots=on DataPool; zpool get listsnapshots DataPool; NAME PROPERTY VALUE SOURCE DataPool listsnapshots on local # - - # # - Access files from a snapshot directly - # ls /.zfs/snapshot/ ls /home/DataPool/Images/Programs/.zfs/snapshot/Programs1.Snapshot; zfs list -t snapshot; NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 13K - 24K - DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/marlene@Images.Snapshot 0B - 24K - # - - # # - Clone management - # # - Data store of which the initial contents are the same as the source snapshot - # zfs get origin DataPool; NAME PROPERTY VALUE SOURCE DataPool origin - - # - - # # - Create clone - # sudo zfs clone DataPool/Images/Programs@Programs1.Snapshot DataPool/Programs1.Clone; zfs list -r -t snapshot -o name,creation DataPool/Images/Programs; NAME CREATION DataPool/Images/Programs@Programs1.Snapshot Tue Jan 4 13:32 2022 DataPool/Images/Programs@Programs2.Snapshot Tue Jan 4 13:34 2022 zfs list -r -t snapshot -o name,creation DataPool/Images; NAME CREATION DataPool/Images@Images.Snapshot Tue Jan 4 13:39 2022 DataPool/Images/Backup@Images.Snapshot Tue Jan 4 13:39 2022 DataPool/Images/Programs@Programs1.Snapshot Tue Jan 4 13:32 2022 DataPool/Images/Programs@Programs2.Snapshot Tue Jan 4 13:34 2022 DataPool/Images/marlene@Images.Snapshot Tue Jan 4 13:39 2022 # - - # # - Show disk space - # zfs list -o space; zfs list -o space -r DataPool; NAME AVAIL USED USEDSNAP USEDDS USEDREFRESERV USEDCHILD DataPool 176G 16.6G 14K 24K 0B 16.6G DataPool@DataPoolSnapshot - 14K - - - - DataPool/Images 176G 16.6G 0B 25K 0B 16.6G DataPool/Images@Images.Snapshot - 0B - - - - DataPool/Images/Backup 176G 24K 0B 24K 0B 0B DataPool/Images/Backup@Images.Snapshot - 0B - - - - DataPool/Images/Programs 176G 16.6G 0B 16.6G 0B 0B DataPool/Images/Programs@Programs1.Snapshot - 0B - - - - DataPool/Images/Programs@Programs2.Snapshot - 0B - - - - DataPool/Images/marlene 250M 24K 0B 24K 0B 0B DataPool/Images/marlene@Images.Snapshot - 0B - - - - DataPool/Programs1.Clone 176G 0B 0B 0B 0B 0B zfs list NAME USED AVAIL REFER MOUNTPOINT DataPool 16.6G 176G 24K /home/DataPool DataPool@DataPoolSnapshot 14K - 24K - DataPool/Images 16.6G 176G 25K /home/DataPool/Images DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup 24K 176G 24K /home/DataPool/Images/Backup DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/marlene 24K 250M 24K /home/DataPool/Images/marlene DataPool/Images/marlene@Images.Snapshot 0B - 24K - DataPool/Programs1.Clone 0B 176G 16.6G /home/DataPool/Programs1.Clone sudo zfs clone DataPool/Images/Programs@Programs1.Snapshot DataPool/Programs1.Clone2; zfs list DataPool/Images/Programs; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs zfs list -r DataPool/Images/Programs; NAME USED AVAIL REFER MOUNTPOINT DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - zfs list -r DataPool; NAME USED AVAIL REFER MOUNTPOINT DataPool 16.6G 176G 24K /home/DataPool DataPool@DataPoolSnapshot 14K - 24K - DataPool/Images 16.6G 176G 25K /home/DataPool/Images DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup 24K 176G 24K /home/DataPool/Images/Backup DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/marlene 24K 250M 24K /home/DataPool/Images/marlene DataPool/Images/marlene@Images.Snapshot 0B - 24K - DataPool/Programs1.Clone 0B 176G 16.6G /home/DataPool/Programs1.Clone DataPool/Programs1.Clone2 0B 176G 16.6G /home/DataPool/Programs1.Clone2 # - - # # - Destroy clone (DANGEROUS!) - # sudo zfs destroy DataPool/Programs1.Clone2; zfs list -r DataPool; NAME USED AVAIL REFER MOUNTPOINT DataPool 16.6G 176G 24K /home/DataPool DataPool@DataPoolSnapshot 14K - 24K - DataPool/Images 16.6G 176G 25K /home/DataPool/Images DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup 24K 176G 24K /home/DataPool/Images/Backup DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/marlene 24K 250M 24K /home/DataPool/Images/marlene DataPool/Images/marlene@Images.Snapshot 0B - 24K - DataPool/Programs1.Clone 0B 176G 16.6G /home/DataPool/Programs1.Clone ls /home/DataPool/Programs1.Clone; Linux.Img sudo zfs snapshot projects/newproject@today sudo zfs clone projects/newproject@today projects/teamA/tempuser sudo zfs set sharenfs=on projects/teamA/tempuser sudo zfs set quota=5G projects/teamA/tempuser sudo zfs clone datapool/docs@today datapool/pict; zfs list NAME USED AVAIL REFER MOUNTPOINT datapool 166K 1.92G 19K /datapool datapool/docs 19K 1.92G 19K /docs datapool/pict 1K 1.92G 19K /datapool/pict ls /datapool/pict folder1 folder2 folder3 folder4 folder5 # - - # # - Crate/Delete snapshot clone - # sudo zfs clone DataPool/Images/Programs@Programs1.Snapshot DataPool/Programs1.Clone3; sudo zfs clone DataPool/Images/Programs@Programs1.Snapshot DataPool/Programs1.Clone4; sudo zfs clone DataPool/Images/Programs@Programs1.Snapshot DataPool/Programs1.Clone5; zfs list -r DataPool; NAME USED AVAIL REFER MOUNTPOINT DataPool 16.6G 176G 27K /home/DataPool DataPool@DataPoolSnapshot 14K - 24K - DataPool/Images 16.6G 176G 25K /home/DataPool/Images DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup 24K 176G 24K /home/DataPool/Images/Backup DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/marlene 24K 250M 24K /home/DataPool/Images/marlene DataPool/Images/marlene@Images.Snapshot 0B - 24K - DataPool/Programs1.Clone 21K 176G 16.6G /home/DataPool/Programs1.Clone DataPool/Programs1.Clone2 0B 176G 16.6G /home/DataPool/Programs1.Clone2 DataPool/Programs1.Clone3 0B 176G 16.6G /home/DataPool/Programs1.Clone3 DataPool/Programs1.Clone4 0B 176G 16.6G /home/DataPool/Programs1.Clone4 DataPool/Programs1.Clone5 0B 176G 16.6G /home/DataPool/Programs1.Clone5 # - - # # - Destroy clone (DANGEROUS!) - # sudo zfs destroy DataPool/Programs1.Clone3; sudo zfs destroy DataPool/Programs1.Clone4; zfs list -r DataPool; NAME USED AVAIL REFER MOUNTPOINT DataPool 16.6G 176G 26K /home/DataPool DataPool@DataPoolSnapshot 14K - 24K - DataPool/Images 16.6G 176G 25K /home/DataPool/Images DataPool/Images@Images.Snapshot 0B - 25K - DataPool/Images/Backup 24K 176G 24K /home/DataPool/Images/Backup DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs 16.6G 176G 16.6G /home/DataPool/Images/Programs DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/marlene 24K 250M 24K /home/DataPool/Images/marlene DataPool/Images/marlene@Images.Snapshot 0B - 24K - DataPool/Programs1.Clone 21K 176G 16.6G /home/DataPool/Programs1.Clone DataPool/Programs1.Clone2 0B 176G 16.6G /home/DataPool/Programs1.Clone2 DataPool/Programs1.Clone5 0B 176G 16.6G /home/DataPool/Programs1.Clone5 # - - # # - List clone content - # ls -lh /datapool/project1/ ls /home/DataPool/Programs1.Clone; Linux.Img ls /home/DataPool/Programs1.Clone/Linux.Img; Linux_Arch.Img la /home/DataPool/Programs1.Clone/Linux.Img/Linux_Arch.Img; total 21K drwxr-xr-x 9 is_derayo is_derayo 9 Jan 3 17:48 ./ drwxr-xr-x 3 is_derayo is_derayo 3 Jan 3 17:41 ../ drwxr-xr-x 12 is_derayo is_derayo 12 Jan 3 17:44 Arch_Configuration/ drwxr-xr-x 2 is_derayo is_derayo 5 Jan 3 17:42 Arch_ISOs.Img/ drwxr-xr-x 13 is_derayo is_derayo 16 Jan 3 17:47 Arch_Install/ drwxr-xr-x 3 is_derayo is_derayo 7 Jan 3 17:44 Arch_i3.Ins/ drwxr-xr-x 3 is_derayo is_derayo 4 Jan 3 17:47 Cleaning_Arch/ drwxr-xr-x 2 is_derayo is_derayo 17 Jan 3 17:48 Videos/ drwxr-xr-x 3 is_derayo is_derayo 6 Jan 3 17:48 VirtualManager.Ins/ cd /home/DataPool/ ┌─[is_derayo]──[ArchBtrfs]:/home/DataPool$ └──>> la total 2.5K drwxr-xr-x 6 root root 6 Jan 4 15:30 ./ drwxr-xr-x 1 root root 42 Jan 3 16:05 ../ drwxr-xr-x 5 root root 5 Jan 4 13:22 Images/ drwxrwxr-x 3 root is_derayo 3 Jan 3 17:41 Programs1.Clone/ drwxrwxr-x 3 root is_derayo 3 Jan 3 17:41 Programs1.Clone2/ drwxrwxr-x 3 root is_derayo 3 Jan 3 17:41 Programs1.Clone5/ zfs list -t snapshot NAME USED AVAIL REFER MOUNTPOINT DataPool@DataPoolSnapshot 14K - 24K - DataPool/Images@Images.Snapshot 13K - 25K - DataPool/Images/Backup@Images.Snapshot 0B - 24K - DataPool/Images/Programs@Programs1.Snapshot 0B - 16.6G - DataPool/Images/Programs@Programs2.Snapshot 0B - 16.6G - DataPool/Images/marlene@Images.Snapshot 0B - 24K - zfs list -t snapshot zfs list -r -t snapshot -o name,creation DataPool/Images/Programs; zfs list -r -t snapshot -o name,creation DataPool/Images; zfs list -o space; zfs list -o space -r DataPool/Images; zfs list -o space -r DataPool/Images/Programs; zfs list -r DataPool; zfs list -r DataPool/Images; zfs list -r DataPool/Images/Programs; df -h; Filesystem Type Size Used Avail Use% Mounted on proc proc 0 0 0 - /proc sys sysfs 0 0 0 - /sys dev devtmpfs 2.9G 0 2.9G 0% /dev run tmpfs 2.9G 828K 2.9G 1% /run efivarfs efivarfs 0 0 0 - /sys/firmware/efi/efivars /dev/vda3 btrfs 30G 9.5G 21G 32% / securityfs securityfs 0 0 0 - /sys/kernel/security tmpfs tmpfs 2.9G 0 2.9G 0% /dev/shm devpts devpts 0 0 0 - /dev/pts cgroup2 cgroup2 0 0 0 - /sys/fs/cgroup pstore pstore 0 0 0 - /sys/fs/pstore none bpf 0 0 0 - /sys/fs/bpf systemd-1 - - - - - /proc/sys/fs/binfmt_misc hugetlbfs hugetlbfs 0 0 0 - /dev/hugepages mqueue mqueue 0 0 0 - /dev/mqueue debugfs debugfs 0 0 0 - /sys/kernel/debug tracefs tracefs 0 0 0 - /sys/kernel/tracing configfs configfs 0 0 0 - /sys/kernel/config fusectl fusectl 0 0 0 - /sys/fs/fuse/connections none ramfs 0 0 0 - /run/credentials/systemd-sysusers.service /dev/vda3 btrfs 30G 9.5G 21G 32% /.snapshots /dev/vda3 btrfs 30G 9.5G 21G 32% /home /dev/vda3 btrfs 30G 9.5G 21G 32% /var tmpfs tmpfs 2.9G 43M 2.9G 2% /tmp /dev/vda4 btrfs 68G 134M 66G 1% /home/Data /dev/vda1 vfat 671M 70M 601M 11% /boot DataPool zfs 177G 128K 177G 1% /home/DataPool DataPool/Images zfs 177G 128K 177G 1% /home/DataPool/Images DataPool/Images/Backup zfs 177G 128K 177G 1% /home/DataPool/Images/Backup DataPool/Images/Programs zfs 193G 17G 177G 9% /home/DataPool/Images/Programs binfmt_misc binfmt_misc 0 0 0 - /proc/sys/fs/binfmt_misc tmpfs tmpfs 594M 72K 594M 1% /run/user/1000 gvfsd-fuse fuse.gvfsd-fuse 0 0 0 - /run/user/1000/gvfs DataPool/Images/marlene zfs 250M 128K 250M 1% /home/DataPool/Images/marlene DataPool/Programs1.Clone zfs 193G 17G 177G 9% /home/DataPool/Programs1.Clone DataPool/Programs1.Clone2 zfs 193G 17G 177G 9% /home/DataPool/Programs1.Clone2 DataPool/Programs1.Clone5 zfs 193G 17G 177G 9% /home/DataPool/Programs1.Clone5 total - 1.5T 105G 1.4T 7% - Swap an original data store with a clone zfs promote Delegate ZFS file system management through permissions See a list of commands and properties to delegate, and how to delegate them to users and groups: zfs allow See delegated permissions (if any): zfs allow Allow a user to create snapshots (inherits): zfs allow -u snapshot Remove a user’s permission to manage snapshots: zfs unallow -u snapshot