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Re: Xen storage for NetBSD guests: performance vs. consistent backups (sanity check)




To: Hauke Fath <hf%spg.tu-darmstadt.de@localhost>

Subject: Re: Xen storage for NetBSD guests: performance vs. consistent backups (sanity check)

From: Matthias Petermann <matthias%d2ux.net@localhost>

Date: Tue, 20 Jan 2026 20:29:06 +0100


Hi,

On 1/20/26 10:20, Hauke Fath wrote:

On Mon, 19 Jan 2026 21:15:17 +0100, Matthias Petermann wrote:

Unfortunately, once LVM enters the picture, I have repeatedly run
into situations where triggering an FSS snapshot causes severe stalls
or complete lockups.


This is on which version?

I am asking because I have been running ffs snapshot backups (TSM here)
on netbsd-9 DomUs for ˜years without ever running into any issues..


I am experiencing this since the
 NetBSD 8 days I guess. I should have  mentioned, that I use WAPBL at the same time. How does this map to your
setup?

Best regards
Matthias



--
Für alle, die digitale Systeme verstehen und gestalten wollen:
jede Woche neue Beiträge zu Architektur, Souveränität und Systemdesign.
👉 https://www.petermann-digital.de/blog



Follow-Ups:

Re: Xen storage for NetBSD guests: performance vs. consistent backups (sanity check)
From: Hauke Fath


References:

Xen storage for NetBSD guests: performance vs. consistent backups (sanity check)
From: Matthias Petermann

Re: Xen storage for NetBSD guests: performance vs. consistent backups (sanity check)
From: Hauke Fath




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