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Questions tagged [zpool]

109 questions
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Faulted zpool recovery - can I dd some disks to new disks to allow me to scavenge donors?

I am in the process of trying to recover a pool that had been degraded and neglected, then had a second mirror member fail, resulting in a faulted pool. For whatever reason, the spare never autoreplaced, even though that option was set for this…
Dirk
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1 answer

cannot import a zpool volume : I/O error

this is on nexenta open storage. I have a zpool that is in UNAVAIL state because of some disks. # zpool import -F pool: delta id: XYAZA state: UNAVAIL status: One or more devices are missing from the system. action: The pool cannot be…
Nikhil Mulley
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Importing an exported pool on Solaris 11 fails

Unable to import an exported pool. Based on the info below, am I able to somehow import the pool? Or, is there a way to retrieve the data from the drive itself? There is no corruption on either disks. Solaris 11.3 # zpool upgrade -v This system…
mfridman
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ZFS slow read speed on 8 drive 4 vdev striped mirrors

I have 8 3TB WD Red SATA drives sdb through sdi i use in my pool. My boot and OS drive is a an 850 EVO SSD on sda. The 8 WD drives are on a Supermicro AOC-SAS2LP-MV8 Add-on Card, 8-Channel SAS/SATA Adapter with 600MB/s per Channel in a PCIE 3.0 x16…
CB40
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zpool disappears whenever solaris cluster reboot or power cycle

I have following setup Oracle Solaris 10 -> 5.10 Generic_147147-26 sun4v sparc Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit production Oracle Solaris Cluster 3.3u2 for Solaris 10 sparc Oracle Solaris Cluster Geographic Edition…
Halit Sakca
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2 answers

ZFS - zpool replace never finishes

I have a 5 x 3TB raidz1 array on a ubuntu 14.04.1 server. Last month, one of the drives died (audible clicking). I was able to replace the drive with zpool replace RAID . That finished without issue and the pool was online…
KernelSanders
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Solaris: Encrypting a zpool NOT a dataset within a pool?

What is the way in Solaris to encrypt a zpool? All the documentation supporting ZFS encryption talk about using "zfs create" and specifying a dataset WITHIN a pool. I just became SA for several Solaris servers and they all have encrypted zpools, but…
Jon Smith
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How to partition drive for ZFS

I'm trying to create a ZFS pool using the following command: zpool create MyPool disk /dev/sda However, I get the following error: cannot use '/dev/disk': must be a block device or regular file I feel like I should have been able to find someone…
E-rich
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Can't remove zfs log device from pool

I run a FreeBSD 9.0 server with ZFS pool version 28 and ZFS version 5. I had two pools with a log on ssd's two partitions. These pools was created on FreeBSD 8.2 with ZFS pool version 15, and ZFS version 4. After I upgraded to the new zfs version,…
netmano
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Unable to zpool drive: is in use and contains a unknown filesystem

Created raidz1 drive array on CentOS8. Five drives and after reboot zpool would not load. Did a zpool import -a, to import the zpool and datasets. I had a missing drive, which bugs me to no avail, I've been using ZFS for awhile and always use…
DaBus
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zfs remove wrongly added device

I accidentally added a device as normal pool device instead of cache device. Is there a way undo this? (I basically forgot to type cache when adding the device) I can't remove it root@dmi-vault2:~# zpool remove tank…
Bas
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Expand existing RAID1 zpool into RAID10 zpool

I'd like to expand/convert my existing RAID1 (2x 3TB mirror) zpool to RAID10 zpool by adding 2 more 3TB HDDs without losing (or moving) data stored on my existing pool. The final result will look like 2x3TB (existing mirror) + 2x3TB (new mirror)…
MrQ
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1 answer

zpool replace ran successfully, but still recommends zpool replace. What is it telling me?

A drive failed in a raidz3 (pci-0000:03:00.0-scsi-0:0:10:0), and I replaced it with an available spare (wwn-0x5000c500858252ef): pool: darkpool state: DEGRADED status: One or more devices are faulted in response to persistent errors. …
Louis Waweru
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ZFS replace disks in freebsd, how and when

I have the following zpool configuration: zpool status NAME STATE READ WRITE CKSUM data ONLINE 0 0 0 raidz2-0 ONLINE 0 0 0 da1 ONLINE 0 0 0 da0 ONLINE…
Sebastian
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ZFS (Freenas) off-lining an apparently healthy drive during scrub

I have a 4 disc RAIDZ config running on Freenas 9.1. Earlier I noticed that one of the drives had been taken offline. I ran smartctl, and all the discs passed SMART. A few days ago the machine had been powered off while a windows client was writing…
James
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