IRC chat logs for #ltsp on irc.libera.chat (webchat)


Channel log from 16 November 2021   (all times are UTC)

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11:02
<vnc45^vnc45>
hai
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23:18
<tidux>
Is there a good documentation source on using NBD instead of NFS? I'm looking on the ltsp.org website and can't find it.
23:18
I've never used NBD but I know from running VMware clusters that block-level (iSCSI) typically beats file-level (NFS) network stores
23:25
<vagrantc>
alkisg had some reliability issues with NBD and so switched to an image shipped over NFS ... slight performance loss but much higher reliability.
23:25
<tidux>
good to know
23:25
<vagrantc>
for quite some time LTSP used NBD by default ...
23:26
long ago it used the rootfs directly over NFS ... now it's using a squashfs image mounted from an NFS volume... seems to work better
23:27
i've seen some patches for LTSP fly around for using ceph/rbd instead, which probably has more active maintenence than NBD
23:27
<tidux>
oh yeah ceph blockdevs would be ideal
23:27
especially squashfs+ceph for root
23:28
<vagrantc>
and in theory, iSCSI might be an option ... alkisg also experimented with Ata-over-Ethernet (AoE) which had some interesting features
23:28
<tidux>
iSCSI is mostly useful for people with existing proprietary SAN setups. If you're building fresh for an all-Linux system, I'd go with Ceph.
23:29
<vagrantc>
you can probably experiment around with hooks in the initramfs; LTSP doesn't much care where it gets it's root filesystem from
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