Zpool scan disk. 10 and my zpool is showing as degraded on the system.

Zpool scan disk This is equivalent to attaching new_device, waiting for it to resilver, and then detaching old_device. log. enable' and 'kern. action: Online the device using 'zpool online' or replace the device with 'zpool replace'. About 18 months ago I replaced my 4 2TB disks with 4 4TB disks, when I replaced the last disk, instead of expanding the pool it would show the disk as offline. 4 xSamsung 850 EVO Basic (500GB, 2. Insert the replacement disk. ls -la /dev/disk/by-id/ Found id of new drive wwn-0x5000c500c8599b96. Unfortunately, it seems to be an odd setup. Sufficient replicas exist for the pool to continue functioning in a #Then bring back the device: sudo zpool online ata-ST4000NM0033-9ZM170_Z1Z3RR74 #Resilver it sudo zpool scrub storage sudo zpool status pool: storage state: ONLINE scan: resilvered 36K in 0 days 00:00:01 with 0 errors on Fri Nov 13 21:03:01 2020 config: NAME STATE READ WRITE CKSUM storage ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 ata-ST4000DM000 In the preceding example, the faulted device should be replaced. Then you can badblocks on your sdaj like u/enuro12 suggests at your leisure. If the device appears to be part of an exported pool, this command displays a summary of the pool I have a zpool where I have just replaced a failed disk, and started a resilvering to the new disk. Once this is done, the pool may no longer be accessible by software that does not support the features. #zpool export maxtorage #zpool import -d /dev/disk/by-id maxtorage edited /etc/default/zfs to use /dev/disk/by-id. Actually, you can change what labels are shown in the zpool status via the sysctls 'kern. $ zpool history system1 2012-01-25. If we do not specify the mount point, the default will be poolname/filesystem_name. zfs -a (or replace the -a with the name of the pool, tank ); the -d /. And consider exporting your pool and zpool import -d /dev/disk/by-id so your device names are more useful. pool: stuff state: DEGRADED status: One or more devices are faulted in response to persistent errors. As far as I can tell the corresponding file in the initramd is root@xxx:~ # zpool status pool: storage state: ONLINE status: One or more devices is currently being resilvered. 03M in 0 days 00:00:00 with 0 errors on Mon Jan 03 00:28:57 2000 config: root@pvetest:~# zpool attach tb3 ata-SAMSUNG_MZ7L3480HCHQ-00A07_S664NE0RC11311 ata-KINGSTON_SEDC500M480G_50026B7283069BA3 root@pvetest:~# zpool status pool: tb3 state: ONLINE status: One or more devices is currently being resilvered. You need to run a scrub on this pool (zpool scrub zpool2) so it can assess that damage and remove those lines if the damage is 1. Edit: SMART doesn't show any errors or questionable results on that disk, but it does show that the disk hasn't seen a SMART self-test for 5000 hours. gpt. For example: # zpool online tank c1t0d0 Bringing device c1t0d0 online # zpool status -x all pools are healthy. This article covers some basic tasks and usage of ZFS. Below is the output from zpool status: pool: Shared state: # zpool status pool: zroot state: DEGRADED status: One or more devices has been taken offline by the administrator. For example: # zpool online tank c1t1d0. 7. After rebooting the other day, I noticed the pool wasn't mounted, and this was the output of Those metadata items make me want to advise you to get everything off your pool and rebuild it. Most ZFS troubleshooting involves the zpool status command. 3. Bring the disk online with the zpool online command. g. config: zdata UNAVAIL missing device mirror-0 DEGRADED dm-name-n8_2 UNAVAIL dm-name-n8_3 ONLINE mirror-1 ONLINE n8_0 ONLINE n8_1 ONLINE mirror-2 If "zpool import" fails to give interesting information, then look at the partition tables (using gpart) of the three disks you suspect of being part of the missing pool. Now im going to grab some things from the zpool man page just to make sure we are on the same page . In an ideal world, the devid is a better direct method of uniquely identifying the device in Solaris-derived OSes. ewwhite ewwhite Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link). I have a zpool consisting of 4 hard drives of which one died yesterday and now is not being recognized by the OS or the BIOS anymore. Its created slice s0 on c1t0d0, what zpool and zfs commands I have to use here. File systems can directly draw from a common storage pool (zpool). action: The pool cannot be imported due to damaged root@geroda:~ # zpool attach testpool da1 da4 root@geroda:~ # zpool attach testpool da3 da5 root@geroda:~ # zpool status testpool pool: testpool state: ONLINE status: One or more devices is currently being resilvered. If the -d or -c options are not specified, this command searches for devices using libblkid on Linux and geom on FreeBSD. For this, I used the Volume Manager zpool replace rpool <olddisk> <newdisk> zpool detach rpool <olddisk>; zpool attach rpool sdf (sdf being the other mirror leg). The difference is that resilvering only examines data that ZFS knows to be out of date (for H ow do I find and monitor disk space in your ZFS storage pool and file systems under FreeBSD, Linux, Solaris and OpenSolaris UNIX operating systems? Type the following command as root user to lists the property information for the given datasets in tabular format when using zfs. 18T 66% 1. cache OpenZFS on Linux and FreeBSD. Scrubbing and resilvering are very similar operations. -w Wait until scrub has completed before returning. Is there any command to get list of physical di I need to replace a bad disk in a zpool on FreeNAS. But no matter what I do, it [0] rz1:~> zpool list NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT data 27. 04 64-bit using native ZFS. For example: # zpool status -x pool: tank state: DEGRADED status Hi, I have an X86pc with Solaris 10 and ZFS system. special. But that assumes there are enough power/data connectors to do this. conf and then importing from /dev/disk/by-vdev. To accelerate the ZPOOL performance ,ZFS also provide options like log devices and cache devices. pool: boot-pool state: ONLINE scan: scrub repaired 0B in 00:00:01 with 0 errors on Sat Jul 1 03:45:01 2023 config: NAME STATE READ WRITE CKSUM boot-pool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 nvd0p2 ONLINE 0 0 zpool upgrade-v Displays legacy ZFS versions supported by the current software. Locked post. New comments cannot be posted. action: Enable all features using 'zpool upgrade'. zfs send | zfs recv your pool data to another pool, zpool destroy your old pool, zpool create your new pool with fewer disks, zfs send | zfs recv your data back. I also ran `zpool scrub ZFS1` and `zpool status -v ZFS1` and it appears that the scrub managed to repair some of the data corruption but a lot of disks are still in a degraded state. zpool list: zpool_scan_stats: scrub, rebuild, and resilver statistics (omitted if no scan has been requested) zpool status: zpool_vdev_stats: per-vdev statistics: zpool iostat -q: zpool_io_size: per-vdev I/O size histogram: zpool iostat -r: zpool_latency: per-vdev I/O latency histogram: zpool iostat -w: zpool_vdev_queue: per-vdev instantaneous You should be able to zpool attach the new and larger drive, wait for the mirroring to be completed, and then zpool detach the old drives. If it is slow because that dying disk is acting slow, you can offline/detach it first so data is rebuilt from other disks and reads are not attempted from the bad disk. Veritas Volume Manager (VxVM) can be used on the same system as ZFS disks. # zpool import -f pool: zdata id: 1343310357846896221 state: UNAVAIL status: One or more devices were being resilvered. 2T 18. 0 is zpool clear only resets the counters for disk errors but the pool still knows about that permanent damage. The complete zpool status output looks similar to the following: # zpool status tank pool: tank state: DEGRADED status: One or more devices could not be opened. To aid programmatic uses of the command, the -H option can be used to suppress the column In issue #6414, a bug caused the creation of an invalid block but with a valid checksum -- leading to a kernel panic on import. Offline and replace - online, any zpool, buggy on Linux. state shows whether the Pool or Device is online or healthy If the 'zpool import -d' option is specified only those listed paths will be searched. What I don't understand is, why zpool status says it want to scan 129TB, when the size of the vdev is ~30TB. 10 and my zpool is showing as degraded on the system. Now we can see the disk was removed/detached. The visual representation from zpool status has nothing to do with the actual metadata zfs uses to reassemble a pool at boot. Here’s what my output looked like. label. You can use the zpool list command to show information about ZFS storage Offline the disk, if necessary, with the zpool offline command. To initiate an explicit scrub, use the zpool scrub command. On reboot of TrueNAS, one of my pools sends an alert as follows: impact: Fault tolerance of the pool may be compromised. . For example below output shows zpool information. x you are out of luck, as no data vdev can be removed after being added. I decided to zpool clear the 2 vdevs with the few errors, and ran a zpool scrub with the intent of this testing the health of the # zpool status -T d 3 2 zpool status -T d 3 2 Tue Nov 2 10:38:18 MDT 2010 pool: pool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM pool ONLINE 0 0 0 c3t3d0 ONLINE 0 0 0 errors: No known data errors pool: Specifically with regards to the original question: If you know a disk has failed and want to replace it, and are using a mirrored vdev, then a sequential resilver + scrub (zpool replace -s) will be faster in terms of restoring redundancy and performance, but it'll take longer overall before you know for sure that the data was fully restored without any errors since you need to Example 6-4 Replacing SATA Disks in a Root Pool (SPARC or x86/EFI (GPT)) This example replaces c1t0d0 by using the zpool replace command. As user449299 suggested in the comments: Create a zvol inside your pool, format it as ext4 and mount it as a normal filesystem. For example: zpool replace pool_name old_device new_device (New device should be given as /dev/name). The default output for the zpool list command is designed for readability and is not easy to use as part of a shell script. mirror. 00x ONLINE - here's my current ZFS status : t@tsu:~$ zpool status pool: bpool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM bpool ONLINE 0 0 0 73ea4055-b5ea-894b-a861-907bb222d9ea ONLINE 0 0 0 errors: No known data errors pool: rpool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 $ sudo zpool status pool: cloudpool state: ONLINE scan: scrub in progress since Tue Jul 11 22:55:12 2017 124M scanned out of 4. 8T total' figure isn't changing. add disk to existing zpool . /dev/disk/by-id/bar?I notice in my current zpool, it looks like: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 raidz3-0 ONLINE 0 0 0 scsi-xxxxxxxxxxxxxxxxx ONLINE 0 0 0 scsi-xxxxxxxxxxxxxxxxx We ran zpool replace backups /dev/sdh /dev/sdh (though apparently this should have been /dev/sdh1). 5") - - VMs/Jails; 1 xASUS Z10PA-D8 (LGA 2011-v3, Intel C612 PCH, ATX) - - Dual socket MoBo; 2 xWD Green 3D NAND (120GB, 2. zpool create pool1 /dev/sda1 (I know using the sdX naming is bad, it's just for illustration). destroying the pool and the VM and returning the disks to proxmox, creating the same pool there and running the SMART tests does NOT lead to the write errors or the UDMA_CRC_Error_Count increases. How can you fix the issue? With ZFS 0. I agree that the best course of action is to create a new pool and recursively send all datasets to the new pool, but if you really cannot do The zpool status command indicates the existence of a checkpoint or the progress of discarding a checkpoint from a pool. This is a well-known procedure which works if you can afford downtime. 2 system with a single zpool on it. A good first step would be to zpool export your pool and then zpool import -d /dev/disk/by-id so it isn't incomprehensible sdaj and sdam. 13:05:01 zfs snapshot -r system1/test@snap1 Sandisk Cruzer CZ33 16gb x 2 (mirrored) for boot SeaSonic G Series SSR-550RM 550W Modular Plus Gold but some features are unavailable. I believe zpool initialize was designed to ensure that you've got all the space in the pool allocated in situations where the underlying storage is thinly provisioned. action: Attach the missing device and online it using 'zpool online'. The zpool 'ashes' is located o I'm running Ubuntu Server 13. After the device is replaced, use the zpool online command to bring the device online. I have in Copy data from 10tb into the new 7TB zpool: zfs send -Rv pool2@snapshot_name | zfs receive -Fdu newHomeVol; destroy Volume on 10tb drive in gui; Attach 10tb drive as a mirror to the 6tb disk, like so: zpool attach HomeVol gptid/9292f529-9d67-11e7-9fd1-68b599e30ec0 /dev/ada5 and just live with the loss of 4tb. Is there any command # zpool scrub [poolname] Replace [poolname] with the name of your pool. I know, not good! (note: if you have more than one pool, and you only want to It is a very good reason for them, at least for the 8 Mb size partition. [root@zfs01 ~]# zpool status pool: zdata state: DEGRADED status: One or more devices could not be used because the label is missing or invalid. Hopefully this helps someone in a similar situation. 5-1ubuntu6~22. Also, the path name can change upon reboot. Hi, By mistake I added a disk to my pool and now I cannot remove. Is there any way to do so? root@pve01:~# zpool status pool: rpool state: ONLINE scan: resilvered 0B in 0 days 03:48:05 with 0 errors on Wed Mar 24 23:54:29 2021 config: NAME STATE Once resumed the scrub will pick up from the place where it was last checkpointed to disk. At this point, the hot spare becomes available again if another device fails. img \ `pwd`/disk2. root@thumb:~# zpool status pool: test state: ONLINE scan: resilvered 10. Care should be taken to properly match the path of the desired device when creating the pool or when querying in PromQL. And in that case, you shouldn't be importing from /dev/disk/by-id (which, as you have noted, have multiple ways of referring to the same partition), but instead setting up /etc/zfs/vdev_id. Therefore I set up a single zpool on a partition of the virtual drive in the VM. Scripting ZFS Storage Pool Output. Let’s take a look at the most common commands for handling ZFS pools and filesystem. Run the zpool replace command. Improve this answer. new_device is required if the pool is not [root@freenas] ~# zpool status pool: Root state: DEGRADED status: One or more devices has been removed by the administrator. The zpool status command reports the progress of the scrub and summarizes the results of the scrub upon completion. Proxmox Host & NAS. This article will treat ZFS as synonmous with OpenZFS. The scrub examines all data in the specified pools to verify that it checksums correctly. View verbose zpool status. 52T at 4. The health of a pool is determined from the state of all its devices. ZFS is a type of file system presenting a pooled storage model developed by SUN (Oracle). (I can’t remember exactly, I had some screen shots and logs Nevertheless, this caused zfs to fail to load my zfs pool whenever I rebooted the system until I ran sudo multipath -F && sudo zpool import my_pool. In order to circumvent this behavior, I had to edit the /etc/multipath. Export and import. It started reading the (10 TB x 4) filesystem at about $ dev/disk# zpool status -v pool: darkpool state: DEGRADED status: One or more devices could not be used because the label is missing or invalid. dedup. Then I add another identically sized disk to the pool zpool attach <pool> <disk_1> <disk_2> You should be able to just zpool online sdf1 and zpool online sdg1. I'm trained as a programmer, not IT, but I'm partially responsible for managing my computer. Unfortunately I saw the problem only after the next reboot so now the drive label is missing and I can't replace the disk using the official instructions here and here. My /etc/zfs/zpool. #zpool export maxtorage Had to force (-f) label clear as it was saying new drive might be part of the pool 😠 # zpool attach rpool c2t0d0s0 c2t1d0s0 Make sure to wait until resilver is done before rebooting. 59M/s, 286h55m to go 256K repaired, 0. This has been running now for 4 days, and the '54. destroying the pool and recreating it leads to the same result 4. VxVM protects devices in use by ZFS from any VxVM operations that may overwrite the disk. If the autoreplace property is on, you might not have to online the replaced device. I then rebooted into 20. 0G in 0h10m with 0 errors on Thu Mar 5 14:04:14 2015 config: NAME STATE READ WRITE CKSUM test ONLINE 0 0 0 raidz2-0 ONLINE 0 0 0 wwn-0x50014ee20589576f ONLINE 0 0 0 wwn-0x50014ee259418099 ONLINE 0 0 0 wwn-0x50014ee259481bfe ONLINE 0 0 0 wwn # zpool status pool: vm state: ONLINE status: Some supported features are not enabled on the pool. I have a ZFS pool that currently occupies 100Gb. AlanObject AlanObject. Generally speaking, it's a good idea to run this periodically (every few weeks is a reasonable cadence). # zpool import // to search for the pool # zpool import <poolname> Any other steps I should take? New build specs for the curious. So zfs doesn't scan all the data as it @Dunuin Thanks for the prompt response! So ill go ahead and start by checking the memory using memtest86+ since that seems to be an easy thing to start on. We also attempted zpool import -T txg, and while this didn't cause the panic, it also didn't really work. action: Wait The zpool iostat command has been greatly expanded in recent years, with OpenZFS 2. The -d option can be specified multiple times, and all directories are searched. Yes, zpool scrub reads through all data on the disk and validates it against checksums in the block pointers. I had a strange disk failure where the controller one one of the drives flaked out and caused my zpool not to come online after a reboot, and I had to zpool export data/zpool import data to get the zpool put back together. You can use zpool list -v to show more Try zpool import without arguments to list all found pools after a reboot (to rule out disk recognition errors when hotplugging disks). action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. If you attach disks that contain a ZFS pool, or were part of a pool, to a new computer, zpool import should scan all disks and show you what it can find. Without replacing every disk with an bigger one. While it seems to make sense that it would work for your use case, be aware that it was not designed for that purpose and so I wouldn't doubt that there are some edge cases where at least partial old data would still remain. Applications are unaffected. If they increase existing disk for this Solaris VM server of syspool disk c1t0d0. Upon checking status, it still showed disk errors, so I did a clear command, and rescrubbed the pool. Looking for a bit of help to understand and possibly solve a problem. action: Upgrade the I shutdown all guest VMs to limit usage of the zpool, since the host doesn't use it for any storage. For brevity, the zpool status command often simplifies and truncates the path name. After running $ sudo umount /dev/sdb everything worked fine. Contribute to openzfs/zfs development by creating an account on GitHub. I'm upgrading a raidz3 pool from 3TBx8 to 10TBx8. 16:35:32 zpool create -f system1 mirror c3t1d0 c3t2d0 spare c3t3d0 2012-02-17. It's a mirror, but I can't see which of the two disks is supposedly the problem. The pool will continue to function, possibly in a degraded state. This command analyzes the various failures in a system and identifies the most severe problem, presenting you with a zpool list outputs information about the Pool filesystem like Total Size, Allocated Usage, Free Space, Fragmented Free Space, Capacity, Deduplication Ratio, and Health status. Share Sort Here's the gdisk output for the other drive, the one that isn't corrupt (I didn't edit the post to add it because I was afraid to muck it up: > gdisk /dev/sdd GPT fdisk (gdisk) version 1. Firstly, zpool replace should work fine. I have a the same exact issue yesterday with another server, and there a certain mixture of zpool set autoexpand=on, zpool export|import, zpool online -e and reboots allowed me to fix it. Payout details. EDIT: i first thought it was mirror pool, not raidz. Hello, I'm using FreeNas 9. 00x ONLINE - [0] rz1:~> zpool status pool: data state: ONLINE scan: scrub repaired 0 in 8h37m with 0 errors on Fri Nov 1 03:44:09 2013 config: NAME STATE READ WRITE CKSUM data ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 label/slot0 ONLINE 0 0 0 still unable to import, same error, same replies to zpool status and zpool import; zpool online RAIDZ ada0: cannot open 'RAIDZ': no such pool; So, put a disk off line, replaced, other disk get UNAVAIL, put the offlined disk back but how to get it online if the pool cannot be imported? Additional commands and info in the attached file. The output will look something like this: pool: seleucus state: ONLINE scan: scrub in progress I am looking for a simplest way to parse disks in zpool. Notice how I wrote attach, while you probably used add in your zpool command. sudo zpool create test_pool_striped \ `pwd`/disk1. Export and import - offline, any zpool. See zpool-features(7) for details. You can check the status of your scrub via: # zpool status . If they look like they really are the correct disks (hopefully they have ZFS partitions), then you can try using "zdb -l /dev/XXX" to examine the ZFS volume data structures on them, but those details are outside I have a ZFS mirrored pool with four total drives. See zpool-features(5) for a description of feature flags features supported by the current software. scan: none requested config: NAME STATE READ WRITE CKSUM zroot 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. ZFS is an advanced filesystem, originally developed and released by Sun Microsystems for the solaris operating system. Example output. Follow answered Apr 16, 2013 at 12:21. img If we run zpool list , we should see the new pool: $ zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT test_pool_striped 160M 111K 160M - - 1% 0% 1. Otherwise you should be able to "google freebsd replace a failed device in a mirror" and find the commands you need. zpool MEDIA replace /dev/gptid/cf497248-e182-11e1-be7b-001b21bb40b9 da2 OK the system make the resilver and the da2 is online, but the my pool can´t detach the "old" drive, and stay in offline and my pool is degraded, but the da2 is online and ok. A zpool resilver is an operation to rebuild parity across a pool due to either a degraded device (for instance, a disk may temporarily disappear and need to 'catch up') or a newly replaced device. The pool can still be used, but some features are unavailable. disk. zpool scrub, zpool clear temporarily clears the warning which then reappears a few minutes later 3. 5") - - Boot drives (maybe mess around trying out the thread to put swap here too link) zpool status -v; Show : zpool status -v. When I currently run zpool status, sometimes it indicates that a resilver is running, and other times a scrub is running - see below. geom. If enough disks How do you identify each drive from its identifier in the ZFS pool? 1. 0T 9. ZFS Pool Commands. DESCRIPTION zpool import [-D] [-d dir|device] Lists pools available to import. If you have 2 spares and 2 bays, zpool replace them both at the same time. 0 (coming in FreeBSD 13. In this pool I have a single filesystem: zfs create -p -o dedup=on pool1/data. Sufficient replicas exist for the pool to continue functioning in a degraded state. I then ran short SMART tests on each disk in the pool, all came back as passes, with no errors or concerning stats. 0. It differs from the main article ZFS somewhat in that the examples herein are demonstrated on a zpool built from virtual disks. For example: # zpool status rpool pool: rpool state: ONLINE scan: resilvered 5. Or at least, I think that last pool is present in the cache file, judging by the presence of the disks hosting it in the output of strings /etc/zfs/zpool. It has 8 similar disks. 04, and I get the unavailable message again, but blkid shows all 4 now, but doesn't have the guid that zpool shows as unavailable. zpool status shows gptid/5fe33556-3ff2-11e2-9437-f46d049aaeca UNAVAIL 0 0 0 cannot open How do I find the serial # of that disk? zpool status is going to be the way to status of the Pool health and the drives # Check zpool status of all Pools zpool status # Checkk all Pools with extra Verbose information zpool status -v # Check a specific Pool (with Verbose info) zpool status -v POOLNAME. To import the pool again, sudo zpool import -d /. To export the pool (recommended before shutdown), sudo zpool export tank (or sudo zpool export -a to export all currently imported pools). Sometime despite of the same size hdd you could get a new hdd with a very small difference compared with the old hdd. The size of new_device must be greater than or equal to the minimum size of all the devices in a mirror or raidz configuration. Explains How to Monitor ZFS Disk Space Under Linux, FreeBSD or Solaris / OpenSolaris UNIX operating systems. Systems with SATA disks require that before replacing a failed disk with the zpool replace command, you take the disk offline and unconfigure it. spare. It apparently was always called that, but it didnt go UNAVAIL i replaced another REMOVED drive, which wasn't showing in blkid, so I disconnected it fully but couldn't reboot, so I disconnected all zfs drives, successful reboot, The column names correspond to the properties that are listed in Listing Information About All Storage Pools or a Specific Pool. My expectation was that after the initial resilvering I could detach and later attach a disk and have it only do an incremental resilver--however in testing it appears to perform a full resilver regardless of whether or not the disk being attached already Then, use the zpool online command to bring online the replaced device. I have inherited a FreeNAS 8. However, now it is fixed, but my drives are now identified by their device name: The column names correspond to the properties that are listed in Listing Information About All Storage Pools or a Specific Pool. If you don't, obviously replace sdam and then go from there. This state information is displayed by using the I am looking for a simplest way to parse disks in zpool. It will report any errors in the zpool status screen that you posted. action: The pool cannot be imported due to damaged devices or data. zfs may be needed because ZFS doesn't normally look in that directory for devices. 732 3 3 Virtual devices¶. The following example shows the zfs and zpool command history on the pool system1. 13:04:10 zfs create system1/test 2012-02-17. clear pool [device] I can corroborate this, the driver must have done that, I am running into this same issue, i also see -part1, and its currently unavail. As a best practice, scrub and clear the root pool first before replacing the disk. Currently, the zpool in my system is like this: root@abcxxx>zpool status pool: rpool state: ONLINE scrub: none requested (4 Following from a discussion on zfs-discuss: Problem: When I try to import my zpool 'ashes' from my external USB-3 disk, ZFS attempts to import using the whole disk device name instead of the disk partition. The drives are WD Red 4TB. For example: # zpool status -x tank pool 'tank' is healthy Physically Reattaching a Device. Firstly, view the status of your zfs pool with the “zpool status -v” command. action: Replace the faulted device, or use 'zpool clear' to mark the device repaired. 1. cache has the boot pool (which is imported explicitly earlier) and the root pool (which is imported properly by initramfs) and the old pool. zpool attach [-f] pool device new_device Attaches new_device to the existing device. Nowadays ZFS usually refers to the fork OpenZFS, which ports the original implementation to other operating systems, including Linux, while continuing the development of solaris ZFS. By recurrent I mean that the errors have been continuously increasing for several days even after having performed multiple scrubs. Hopefully this is the correct way to fix it?? root@pve:~# zpool status -v Sufficient replicas exist for the pool to continue functioning in a degraded state. My work computer has a 4 hard drives setup in a zpool on an Ubuntu system. Which controllers are you using? Is this the first scrub you've ever run on this pool? Was there a problem that prompted you to run the scrub in the first place? Share. Two of the drives are intended to be used for rotating offsite backups. action: Replace the device using 'zpool replace'. I've tried running SMART tests on the two disks, but there doesn't seem to be anything obvious in the @alactus On a straight FreeBSD system, I've added a 3rd disk to the mirror (yes a 3 way mirror), let it resilver, then removed the faulted device from the mirror. $ zpool export tank $ zpool import tank -d /dev/disk/by-id/ cannot import 'tank': one or more devices are already in use $ zpool status no pools available $ zpool import -d /dev/disk/by-id/ pool: tank id: 3589532515861118860 state: UNAVAIL status: One or more devices contains corrupted data. This disk is from datastore from esx host. 0) offering new flags, including -l to monitor latency, and the ability to filter to a specific disk. Finally, when multiple paths to the same device are found. As a last step, confirm that the pool with the replaced device is healthy. zpool replace [-f] pool device [new_device] Replaces old_device with new_device. Reviewing zpool status Output. 00075; Payouts for all other currencies are made automatically every 4 hours for balances above 0. If the zpool usage exceed more than 80% ,then you can see the performance degradation on that zpool. 1 Partition table scan: MBR: protective BSD: not present APM: not present GPT: present Found valid GPT with protective MBR; using GPT. Try zpool import without arguments to list all found pools after a reboot (to rule out disk recognition errors when hotplugging disks). enable'. enable', 'kern. Run zpool status to check your zpool and identify the faulted drive # zpool status pool: data state: DEGRADED status: One or more devices are faulted in response to persistent errors. X570D4U-2L2T R9 3900X (Was building a new PC when the R9-5900X came out and snagged one instead, so built this around the extra proc I already had) Stop the scrub - zpool scrub -s tank and check the system out. 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. then reimport with zpool import -d /dev/disk/by-id/ <poolname>, only specifying the directory, not the drives files itself. If for some reason you can't do that and don't mind taking risks with your data, you could do a zpool clear and sit on it for a while to see what just goes away and what's a real problem, but to me, it looks like you're in for a messy future with the pool as it stands. What's the best way to grow this pool? Can I increase the size of the underlying virtual disk? upon starting. zpool detach t1 scsi-0QEMU_QEMU_HARDDISK_drive-scsi8 # Before pool: t1 state: ONLINE scan: resilvered 1. So long as users do not place any critical data on the resulting zpool, they are free to experiment without fear of actual data loss. service, but that service won't start if the ZFS cache file exists -- regardless of whether it's used or, indeed, if it's a valid cache file at all. If your export/shutdown on the old system was unclean, you # zpool destroy mypool # zpool import -d /mnt/sda3/ -N mypool2 mypool # zpool status pool: mypool state: ONLINE scan: resilvered 524K in 0h0m with 0 errors on Wed Dec 3 00:25:36 2014 config: NAME STATE READ WRITE CKSUM mypool ONLINE 0 0 0 /mnt/sda3/rotating_mirror1 ONLINE 0 0 0 errors: No known data errors # zfs set root@nas:~# zpool status [code] pool: naspool state: DEGRADED status: One or more devices is currently being resilvered. raidz, raidz1, raidz2, raidz3. You should get a list of importable pools that can be imported by zpool import <id> or zpool import <name>. Once this is done the zpool status is clean and is marked with state: ONLINE. Remove the disk to be replaced. No redundancy. export the pool with zpool export. Exactly how a missing device is reattached depends on the device $ zpool status Toshiba_ZFS NAME STATE READ WRITE CKSUM Toshiba_ZFS ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 GPTE_1C3475D8-AB6F-3547-AE5D-571C2389DCC7 ONLINE 0 0 0 at disk4s1 GPTE_11059782-DA42-654B-8577-431C1B80814C ONLINE 0 0 0 at disk3s1 GPTE_79E12ED8-31EE-384C-B115-2759039256C0 ONLINE 0 0 0 at disk2s1 $ Provided by: zfsutils-linux_2. -d, -discard Discards an existing checkpoint from pool. OpenZFS 2. Sample Output: pool: freenas-boot state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM freenas-boot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ada0p2 ONLINE 0 0 0 ada0 SanDisk SDSSDHII120G 150435400731 (112G) Applications are unaffected. You should get a list of importable pools that ZFS provides an integrated method of examining pool and device health. E. cache. In other words, moving the data root@ragnar:~# zpool status ZFS pool: ZFS state: ONLINE status: Some supported and requested features are not enabled on the pool. After replacing the physical disk with a new one, I tried re-adding the disk to the pool. The output looks like zpool status with the following appended: device name, Model, serial, and size. 2. BTC payouts are processed once a day, in the evening, for balances above 0. 05 and balances more than 0. Spares can be shared across multiple pools, and can be added with the zpool add command and removed with the zpool remove command. When I'm doing the zpool replace tank foo bar command, is there a material difference between using /dev/sda or e. Is this in Debian stable? How would I check for the new feature that allows you to add a disk to an existing pool. These are the commands related to creating vdevs and pools. 0125 are included in one of the payouts each day. To aid programmatic uses of the command, the -H option can be used to suppress the column 2. A list of disks in space separated format. 00% done config: NAME STATE READ WRITE CKSUM cloudpool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ata-ST8000VN0022-2EL112_ZA17FZXF ONLINE 0 0 0 ata-ST8000VN0022 Commands. As far as I can tell, it consists of two vdevs, a raidz2 and a single-drive stripe. -e Only scrub files with known data errors as I had an issue with my zpool _1EGDNY2Z-part9 wwn-0x5000cca252f6d327 wwn-0x5000cca27ec5c30d-part1 wwn-0x50024e9004e3d4f2 ata-SanDisk_SDSSDHII120G_154876410729-part1 ata-WDC_WD80EZAZ-11TDBA0_7SKWLU6W wwn-0x5000cca252f6d327-part1 wwn-0x5000cca27ec5c30d-part9 wwn-0x50024e9004e3d4f2 But zpool replace tank /dev/sdc results in the message: cannot replace /dev/sdc with /dev/sdc: no such device in pool This is where I am stuck, and replacing a drive should not be this hard! The new /replacement drive is in the same slot (/dev/sdc), always shows as unavilable via zpool status -v and in the ZFS gui. Just an extra suggestion from the ignorant! Dan, wouldn't it be a fairly simple addition to run another utility after the drive was removed from the pool, that copied the files (again) to a new place in the pool and erases the indirect mapping at the same time? Import the pool by name with zpool import <poolname> check the status with zpool status and make sure that there are no errors and wait for any resilvering to be finished before proceeding. Description. scan: This operation might negatively impact performance, though the pool's data should remain usable and nearly as responsive while the scrubbing occurs. Edit: I had misread your question, and I was quite sure that you were running them as a mirror. Detach and attach - online, mirror zpool only. For example: # zpool scrub tank. 4 Use zpool status command to check the ZFS pool status again. We’ll use /dev/sdx to refer to device names, but keep in mind that using the device UUID is preferred in order to avoid boot issues due to device name changes. Check the cable, since it is quick zpool create -o ashift=12 -f <pool> <disk_1> I now have a single zpool with a single vdev based on one device. Follow answered Dec 3, 2020 at 2:46. zpool import -FX didn't work, hitting the same panic (which is the topic of #6496). Share. To resume a paused scrub issue zpool scrub or zpool scrub-e again. $ zpool status system1 pool: system1 state: ONLINE status: One or more devices is currently being resilvered. 36G in 0h2m with 0 errors on Thu Sep 29 18:11:53 2011 config: REC-ACTION: Run 'zpool status -x' and replace the bad device. The next step is to use the zpool status-x command to view more detailed information about the device problem and the resolution. Then be sure to run a zpool scrub to make sure you're good to go. disk_ident. scan $ sudo zpool create pool sdb -f the kernel failed to rescan the partition table: 16 cannot label 'sdb': try using parted(8) and then provide a specific slice: -1 The problem was the disk was still mounted. I need help in creating some zpools and changing the mount-point of a slice. The zpool has to be unmounted for this to work. One of the disks broke down, resulting in a degraded pool. 1. # zpool status pool: mypool state: ONLINE scan: resilvered 781M in 0h0m with 0 errors on Fri May 30 08:19:35 2014 config: NAME STATE READ WRITE CKSUM mypool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ada0p3 ONLINE 0 0 0 ada1p3 ONLINE 0 0 0 errors: No known data errors # zpool add mypool mirror ada2p3 ada3p3 # gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i Try online'ing the disk using the gptid--zpool online zpool-data gptid/c5fc4597-4ac9-11e6-9a8e-0cc47a81f344. zpool status -v show recurrent read and write errors on one of my mechanical drives. Thanks a lot, Lockheed!I think I see what the problem might be: importing the pool by scanning /dev/disk/by-id is performed by zfs-import-scan. I had a raidz1-0 ZFS pool with 4 disks. file. 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. Confirm the root pool status. The status of the current scrubbing operation can be displayed by using the zpool status command. 04 environment and all drives showed as online in a zpool status vdata. zpool create poolname /dev/sdb /dev/sdc zpool add poolname /dev/sdd /dev/sde Bonus Create ZFS file system zfs create poolname/fsname Set mount point for the ZFS pool. When I look at iostat -nx 1 then I can see the 5 disks in the vdev are getting heavy reads, and the new disk equal heavy writes. before we go much further having a temp file backed pool that you can do all kinds of unholy things too may help you feel better. zpool upgrade [-V [root@twilightsparkle] ~# zpool status pool: freenas-boot state: ONLINE scan: scrub repaired 0 in 0h0m with 0 errors on Thu Apr 21 03:45:55 2016 config: NAME STATE READ WRITE CKSUM freenas-boot ONLINE 0 0 0 da1p2 ONLINE 0 0 0 errors: No known data errors [root@twilightsparkle] ~# camcontrol devlist <ST4000DM000-1F2168 CC52> at scbus4 target First disk c1t0d0 is in syspool which is root file system. action: Wait for the resilver to complete. If one of the paths is an exact match for the path used last time to import the pool it will be used. How do I increase online the zpool and increase the root file system. However, SMART test doesn't show any problem with the disk. I increased the disk size to 150Gb, but I can't seem to get the ZFS use the entire disk. gptid. I did a zpool offline command for the affected partition, then I did a zpool online command and the disk resilvered automatically (pretty damn fast too I might add). Start by exporting the zpool (rpool0 in this example): Actually, I pulled every hard disk and recorder the serial numbers, then booted into the old 18. 4_amd64 NAME zpool-scrub — begin or resume scrub of ZFS storage pools SYNOPSIS zpool scrub [-s|-p] [-w] pool DESCRIPTION Begins a scrub or resumes a paused scrub. 04. eid: 6 class: statechange state: UNAVAIL host: truenas time: 2024-11-03 12:22:22-0500 vpath: /dev/sdb2 vguid: 0x2AA59DC5D3CF043D pool: GoldMedia pool: rpool state: ONLINE scan: scrub repaired 0B in 1 days 03:13:29 with 0 errors on Mon Nov 14 03:37:30 2022 config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ata-ST8000VN004-2M2101_WSDOTAER-part3 ONLINE 0 0 0 ata-ST8000VN004-2M2101_WSDOUING-part3 ONLINE 0 0 0 errors: No known data errors You seem to have tried to import a disk instead of the pool. The zpool list command reports how much space the checkpoint takes from the pool. conf file and add the following lines: blacklist { The only reason why you'd care is if you want some specific name to show up in the zpool status output. zrjg vqyiss spj kooyu weiu vpcrrhk iqc bkapz cihvr udwyu