All Questions
90 questions
1
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53
views
Remove disk from raidz3-0 on zfs
I have a zfs pool that holds my backup. Every disk has only one partition.
~# zpool status backup_pool
pool: backup_pool
state: ONLINE
scan: resilvered 108K in 00:00:00 with 0 errors on Tue Jun ...
- 23
0
votes
1
answer
108
views
Not able to use drbd over lustre zfs
I am running the below command to format the nvme drive to lustre with backfstype as zfs
mkfs.lustre --mdt --reformat --mgsnode=mgsmaster@tcp --backfstype=zfs --fsname=lustre mdtpool/mdt --index=0 /...
0
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0
answers
278
views
How do I stop and close these processes listening on sunrpc port? Presumably for proper zfs operation
I have a zfs volume that is automounted at startup. Doing an lsof -i shows systemd pid 1 listening on the sunrpc port for tcp and udp. There's an rpc.mount and rpcbind that shows up as well during ...
- 761
0
votes
1
answer
245
views
Unable to remount/import ZFS Pool drive
I have got a 3TB WD HDD which I used zfs to create a pool using proxmox.
I was copying data to the drive before a power failure occurred. Now i am unable to remount or import the drive at all on my ...
0
votes
2
answers
1k
views
Windows not reporting correct used and available disk space on Samba server with ZFS
I have a Samba server running ZFS in Linux.
It is a standard by-the-book install with no special configuration.
Each share is mapped to their own ZFS dataset, but not all datasets have their own ...
0
votes
2
answers
141
views
Extensible software production-ready RAID in Linux?
My #1 goal with RAID, is redundancy from failure. My #2 concern is scalability. Because ZFS's RAID doesn't yet allow you to add a disk to the raid pool, and BTRFS RAID6 isn't stable what are my ...
- 34k
0
votes
1
answer
230
views
ZFS script pull latest snapshot and restore
I keep my zfs snapshot backups in zfs/snapshotbackps and my virtual machghines run off direct zfs location
I am trying to create a script that will pull the latest snapshot and restore it.
I've tried ...
- 3,133
1
vote
1
answer
2k
views
How do I remove an unavailabe cache device from a zpool?
I moved my zpool from one server to another (arch linux) by physically moving the disks, minus the cache disk to a new server and importing it. It works fine, but the old cache device still appears as ...
- 181
3
votes
1
answer
1k
views
ZFS ARC dnode size > dnode max size
I've copied a reddit post which asks my question and haven't been answered:
I've been tinkering with a tool to monitor ZFS usage and statistics for the last few weeks. It's encouraged me to learn a ...
- 57
1
vote
0
answers
122
views
Help restore destroyed zfs snapshot
Docker tricked me, after a sas backplane problem, the server had been booted without the zfs systems mounted, this caused docker to create a clean directory structure under /data/servers/fs (which is ...
- 11
0
votes
0
answers
673
views
Linux - moving boot, efi, grub to other disk
I followed this steps:
From the desktop, double-click "Install Linux Mint".
From "Erase disk and install Linux Mint", click button "Advanced features...".
Select option &...
- 1
0
votes
1
answer
192
views
does ZFS/BTRFS RAID knows that only data needs to be synced?
AFAIK plain MD software ex.: RAID1 doesn't know that it should only sync real data from one disk to another, so it syncs all the blocks unneededly, even if there is no real data on the given block. ...
- 31
0
votes
1
answer
37
views
Missing directory after move to a link
I have the following dir structure
zfs filesystem - /opt/test/tmp
zfs filesystem - /opt/data/
I have two directory links:
/opt/test2/_tmp -> /opt/test/tmp
/opt/test2/_tmp2 -> /opt/data
In /opt/...
- 885
4
votes
1
answer
2k
views
Why is it necessary to run fsck regularly?
Some systems run fsck on every boot, after so many days, or after so many mounts. For example, in How often should I reboot Linux servers? - Server Fault they discuss a variety of strategies for doing ...
- 483
3
votes
1
answer
11k
views
ZFS send/recv full snapshot
I have been backing up my ZFS pool in Server A to Server B (backup server) via zfs send/recv, and using daily incremental snapshots.
Server B acts as a backup server, holding 2 pools to Server A and ...
