Public bug reported:
Hi,
currently if one wants most common FS tools to be able to mount them to e.g.
mount them "just in case" or when considering a more capable base image or
install CD then there is the problem that installing "zfsutils-linux" pulls in
"zfs-zed" as a recommends.
Having it on disk would be ok, but IMHO there is no reason this daemon
needs to run until the first ZFS element is created.
● zfs-zed.service - ZFS Event Daemon (zed)
Loaded: loaded (/lib/systemd/system/zfs-zed.service; enabled; vendor preset:
enabled)
Active: active (running) since Thu 2018-11-29 16:09:04 UTC; 3min 26s ago
Docs: man:zed(8)
Main PID: 2968 (zed)
Tasks: 2 (limit: 546)
Memory: 436.0K
CGroup: /system.slice/zfs-zed.service
└─2968 /usr/sbin/zed -F
Nov 29 16:09:04 disco-zfstest systemd[1]: Started ZFS Event Daemon (zed).
Nov 29 16:09:04 disco-zfstest zed[2968]: ZFS Event Daemon 0.7.9-3ubuntu6 (PID
2968)
Nov 29 16:09:04 disco-zfstest zed[2968]: Processing events since eid=0
People in general would want the number of default running services low.
Further than the general "not too much default daemons" there are a few issues
like [1] which makes this worse if one is affected.
There is no related upstream feature yet that I'd know of, nor did I
find a trivial way to e.g. match a systemd unit Condition (which also is
only evaluated only once, so it would miss later zfs creation) or a
socket (what would it wait for).
I wanted to ask here if you'd have more/better ideas or if we should
directly file this upstream and then link that bug here?
[1]: https://github.com/zfsonlinux/zfs/issues/7995
** Affects: zfs-linux (Ubuntu)
Importance: Wishlist
Status: New
** Changed in: zfs-linux (Ubuntu)
Importance: Undecided => Wishlist
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https://bugs.launchpad.net/bugs/1805982
Title:
Please consider making the zed daemon activated on demand
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