zfs Questions
5
I have zfs pool:
$ sudo zpool status lxd
pool: lxd
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
lxd ONLINE 0 0 0
/var/lib/lxd/zfs.img ONLINE 0 0 0
I've tried:
...
Cadel asked 16/11, 2016 at 7:28
3
Solved
Summary
Given that:
The storage driver docker users is ZFS;
Only docker creates legacy datasets;
Bash:
$ docker ps -a | wc -l
16
$ docker volume ls | wc -l
12
$ zfs list | grep legacy | wc ...
1
tldr; I'm trying to receive a ZFS stream, that has been created as replicate (-R) from a cloned filesystem. Using zfs recv -o origin=[clone-origin] just gives cannot receive: local origin for clone...
2
Solved
I want the equivalent of the following to be generated using the zfs module in ansible, the following works using the command line, but fails on second run as the filesystem already exists.
{{ par...
1
When I try to run my lxc container, I get:
lxc-start: 100: lxccontainer.c: wait_on_daemonized_start: 751 No such file or directory - Failed to receive the container state
lxc-start: 100: tools/lxc...
1
Solved
ZFS pool may consist of datasets(file system, snapshot, etc..) or volumes. ZFS volume is like block device, but I am do not understand difference between pool and filesystem. When I created pool1 v...
Caesaria asked 20/4, 2018 at 6:33
0
I have a Solaris 11.2 server running ZFS with the following configuration;
6x 4TB HDDs in raidz2 (approx 14TB usable)
16GB RAM (ECC)
E5-2670 (16 cores)
No ARC or L2ARC
No zfs settings tweaks
...
1
To have truly off-site and durable backups of my ZFS pool, I would like to store zfs snapshots in Amazon Glacier. The data would need to be encrypted locally, independently from Amazon, to ensure p...
Iridium asked 20/8, 2017 at 19:41
2
Solved
I tried to add a SSD to zpool by ZIL but I did a mistake.
I expected.. zpool add zones log c0t1d0
But I did... zpool add zones c0t1d0
I tried to execute zone remove, detach, offline commands, but...
Therontheropod asked 21/11, 2016 at 7:2
1
Solved
I have following ZFS Snapshots:
data/server/dev1@snap1
data/server/dev1@snap2
data/server/dev1@snap3
If i want to rollback to snap1, i would do the following:
zfs rollback data/server/dev...
1
I would like to automate zpool scrubbing on my ZFS server. I have written the following systemd service as /etc/systemd/system/zfs-scrub.service)
[Unit]
Description=Scrub ZFS tank pool
[Service]
...
Flighty asked 22/12, 2016 at 12:5
1
Solved
I would like to try out ZFS on Ubuntu(16.04) docker container. Followed the following https://docs.docker.com/engine/userguide/storagedriver/zfs-driver/
> lsmod | grep zfs
zfs 2813952 5
zunicod...
Equally asked 24/8, 2016 at 3:53
2
Is there a way to mount a virtual partition containing only the files specific to a snapshot? I know about the hidden zfs directory but it contains all files at the snapshot time.
My goal is to mak...
Vaccaro asked 25/2, 2016 at 9:41
1
Solved
Created a snapshot
Deleted a huge file
Delta is still 0 (snapshot not using anymore space) in zfs list for past three snapshots
Should the delta or used space not be the size of the deleted file...
3
I had a drive fail in one of my vdevs setting the state of the zpool to degraded:
root@mediaserver:~# zpool status
pool: zfsraid
state: DEGRADED
So I started taking steps to replace the drive.
...
1
I've just got a NAS running ZFS and I'd like to preserve creation times when transferring files into it. Both linux/ext4 (where the data is now) and zfs store creation time or birth time. In the ca...
Regimen asked 27/4, 2015 at 21:34
1
Solved
Windows (NtQueryObject), Linux (/proc/self/fd/x) and OS X (F_GETPATH) all have methods for retrieving the path of a currently open file descriptor. Supposedly so does FreeBSD via something like the...
3
I would like to know if there is a way to access the ZFS api (preferably from python but C is fine too). My goal is to write some tools that will monitor my pools but would definitely like to not t...
1
My Ubuntu 12 server is mysteriously losing/wasting memory. It has 64GB of ram. About 46GB are shown as used even when I shutdown all my applications. This memory is not reported as used for buffers...
Dallasdalli asked 15/9, 2013 at 1:50
3
Solved
Say my program attempts a read of a byte in a file on a ZFS filesystem. ZFS can locate a copy of the necessary block, but cannot locate any copy with a valid checksum (they're all corrupted, or the...
Gower asked 12/11, 2009 at 20:33
5
Solved
I am considering to adopt ZFS and I would be happy to know your experience in both production and testing environment.
Nickienicklaus asked 7/10, 2008 at 21:46
1
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