Date: Tue, 26 Apr 2022 20:10:46 -0400 From: Charles Sprickman <spork@bway.net> To: "Eugene M. Zheganin" <eugene@zhegan.in> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD boot from root pool larger than 1Tb/cannot read MOS/all block copies unavailable Message-ID: <23BB62D2-CF27-4730-A19B-A110F3D9970E@bway.net> In-Reply-To: <2c2d774c-3677-c3b7-d099-71318743a434@zhegan.in> References: <2c2d774c-3677-c3b7-d099-71318743a434@zhegan.in>
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> On Apr 26, 2022, at 10:10 AM, Eugene M. Zheganin <eugene@zhegan.in> = wrote: >=20 > Hello, >=20 > recently I found another server that was running 12.x and became = unbootable because of the famous "cannot read MOS/all block copies = unavailable/etc" gptzfsboot message which can be randomly displayed when = boot blocks migrate beyond 1st Tb on a large root pool. Is this documented somewhere? I=E2=80=99m pretty sure I have a number of = servers that fit this description. How do boot blocks =E2=80=9Cmigrate=E2=80= =9D? Charles=
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