Date: Sat, 11 Apr 2020 19:25:57 +0000 (UTC) From: Chris Ross <cross+freebsd@distal.com> To: Eugene Grosbein <eugen@grosbein.net> Cc: freebsd-fs <freebsd-fs@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: ZFS server has gone crazy slow Message-ID: <654D00F8-DBEC-49BD-B871-7EB830F49D50@distal.com> In-Reply-To: <68328a40-0e3d-f9cf-510b-9cbfd7cb8acd@grosbein.net> References: <2182C27C-A5D3-41BF-9CE9-7C6883E43074@distal.com> <68328a40-0e3d-f9cf-510b-9cbfd7cb8acd@grosbein.net>
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> On Apr 11, 2020, at 14:33, Eugene Grosbein <eugen@grosbein.net> wrote:
>=20
> 12.04.2020 0:36, Chris Ross wrote:
>=20
>> I have a FreeBSD 11.3-STABLE server that is my router, using a ZFS mirro=
r (of two GPT disks) as it=E2=80=99s disk. It=E2=80=99s many years old, an=
d has only been misbehaving like this for a day or so. I=E2=80=99m trying =
to figure out what=E2=80=99s wrong.
>>=20
>> [=E2=80=A6]
>>=20
>> I _think_ this is a filesystem problem. It=E2=80=99s very hard to diagn=
ose because logging in, and doing anything, takes many seconds per command.=
zpool status shows my mirror as online, so I=E2=80=99m not sure where I s=
hould check.
>>=20
>> I=E2=80=99d appreciate any help! Thanks much=E2=80=A6
>=20
> First of all you should check if any of your ZFS pools is low on space.
Wow. I=E2=80=99m so embarrassed that I didn=E2=80=99t notice that myself. =
You mentioned it, and now I look back at df output and see that the filesy=
stems are all very nearly full!
It=E2=80=99s very slowly booting now, but assumedly after it comes online, =
I=E2=80=99ll be able to rectify that situation and hopefully that will be t=
he issue. Thanks, and sorry that I hadn=E2=80=99t seen that myself!
- Chris
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