Problems configuring an SSH tunnel to a Nexentastor appliance for use with...
Rob Smallshire asked: Problem I am attempting to configure an SSH tunnel to a NexentaStor appliance from either a Windows or Linux computer so that I can connect a Crashplan
View ArticleUpdate from zfs-0.6.2-1.el6.x86_64 to zfs-0.6.3-1.el6.x86_64 has made by...
84104 asked: After running # yum update zfs and restarting my CentOS 6 ZFS on Linux system can no longer see or interact with it’s zpools. # zpool status no
View Articleis it possible to convert dataset to sparse volume (thin provisioning)?
Xdg asked: I’ve created ZFS datasets and installed virtual servers into them. Suddenly my ZFS volume free space is gone, but not all space is used in each dataset. I want to introduce thin provisioning...
View ArticleBacking up a MySQL database via ZFS snapshots
Andy Shulman asked: I’ve found a number of sites talking about doing exactly this, but I’m missing a few important details. The general steps are Run FLUSH TABLES WITH READ LOCK Take the ZFS snapshot...
View ArticleHow to avoid long list of mountpoints for ZFS exported over NFS for multiple...
Ketan asked: We are running a cluster for about 50 user-groups mapped as Linux groups. Each group has a filesystem allocated from a ZFS storage server which is exported over NFS. This results in a long...
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WD Red firmware on a Freebsd 11.2 zfs system
justinnoor.io asked: Will the firmware on a 4tb WD Red NAS HD (Nasware 3.0) conflict in anyway, or cause problems, with a Freebsd-zfs system if the firmware is not being used at all? Does the firmware...
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FreeBSD/ZFS disk in pool and not in a pool at the same time
Adam Kłobukowski asked: I have following status: $ zpool status pool: cs01 state: DEGRADED status: One or more devices has been taken offline by the administrator. Sufficient replicas exist for the...
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ZFS dataset doesn't automatically mount
ctuffli asked: Running on a FreeBSD 12.0 system, a dataset (my home directory) does not mount automatically at system boot. Manually mounting it (i.e. via zfs mount zroot/usr/home/username) works...
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Formatting/creating file system on multipath volume for ZFS on Linux?
elleciel asked: I inherited a ZFS on Linux (CentOS) storage pool and I have a faulty multipath device (mpathah) in my pool: raidz3-6 DEGRADED 0 0 0 ... ... mpathba ONLINE 0 0 0 mpathbb ONLINE 0 0 0...
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How to remove faulted disk from ZFS pool once spare replacement done
Will Dennis asked: I have a ZFS pool in the current state: [root@zfs01 ~]# zpool status pool: zdata state: DEGRADED status: One or more devices could not be used because the label is missing or...
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How do I expand the root's volume size?
leetbacoon asked: I have Ubuntu Server 18.04 LTS running off a 16GB SanDisk USB pendrive in my server. From what I can remember, when I installed Ubuntu on there I had enabled LVM support. For some...
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Always do "zpool export" for easier and/or more reliable recovery?
mo' asked: Setting up a new (zfs-on-linux) setup with a zpool as data storage (not for system) I would like to prepare myself for the worst case as far as possible. But as I do not have any practical...
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ZFS protection against bit rot and silent corruption without RAID
7E10FC9A asked: I have never encountered a disk failure in my whole life but I had a dozen of bit rot and silent corruptions. ‘Normal’ file systems and hardware RAID can do absolutely nothing about...
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How does ZFS snapshots work and how would I implement a retention policy...
Walter asked: I’ve been using ZFS for a while and have snapshots piling up. I believe I can start deleting the old snapshots, but want to be doubly sure. A ZFS snapshot would be essentially similar to...
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zfs remove device from a raid
RedNano asked: I had a raid5 setup of three disks working up until a couple days ago, when a SATA cable acted up and left the pool on a degraded state. The disk is there, it’s fine now but the system...
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