Mailinglist Archive: opensuse-factory (562 mails)

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[opensuse-factory] btrfs qgroup / quotas concerns - revisited
Hi guys,

Sometime ago, a BTRFS developer (Chris Murphy), which was helping me to
fix a bug, warned that quotas must not be enabled by default in BTRFS
because it is not stable. He actually sent a message to this mailing
list:

https://lists.opensuse.org/opensuse-factory/2016-09/msg00032.html

However, some openSUSE developers contradicted Chris, specially Richard
Brown:

https://lists.opensuse.org/opensuse-factory/2016-09/msg00085.html

Hence, nobody took the advice and quotas were enabled by default in
Leap 42.2.

I am sending this message because I think it is necessary to rethink
this decision. A very annoying bug that I was having in all my openSUSE
machines (Leap and Tumbleweed) is actually caused by quotas. Every
week, when the maintenance script is started, my systems become
unresponsive for almost 30 min. I mentioned it here but received just
one answer:

https://lists.opensuse.org/opensuse-factory/2016-09/msg00130.html

Today, I saw a bug reported by Jan Ritzerfeld describing exactly the
same behavior and mentioning that disabling quota fixes it:

https://bugzilla.opensuse.org/show_bug.cgi?id=1017461

I tried, and I can confirm that the bug is indeed fixed by this
workaround in Leap and Tumbleweed. My server, which was recently
updated to Leap 42.2, started to show those freezes. Notice that quotas
were not enabled in 42.1. Hence, I think we must revisit this subject
as soon as possible.

Best regards,
Ronan Arraes
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