Date: Sat, 11 Apr 2020 18:02:47 +0000 (UTC) From: Chris Ross <cross+freebsd@distal.com> To: Robert Clausecker <fuz@fuz.su> Cc: freebsd-fs <freebsd-fs@freebsd.org>, Chris Ross <cross+freebsd@distal.com> Subject: Re: ZFS server has gone crazy slow Message-ID: <6190573D-BCA7-44F9-86BD-0DCBB1F69D1D@distal.com> In-Reply-To: <20200411174831.GA54397@fuz.su> References: <2182C27C-A5D3-41BF-9CE9-7C6883E43074@distal.com> <20200411174831.GA54397@fuz.su>
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> On Apr 11, 2020, at 13:48, Robert Clausecker <fuz@fuz.su> wrote:
>
> Hi Chris,
>
> What does zpool status say about the pool? Also check if the SMART values
> of these disks are okay.
Looks okay, I think. Full output below.
pool: zroot
state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
the pool may no longer be accessible by software that does not support
the features. See zpool-features(7) for details.
scan: none requested
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk0 ONLINE 0 0 0
gpt/disk1 ONLINE 0 0 0
errors: No known data errors
And, I’m not sure how to check SMART values. This is a Dell server, and I’m 95% sure I have it’s RAID controller (Dell PERC 6, mfi0) just set to provide JBOD for the two disks. Will the smartmontools package be useful with disks on an mfi controller?
- Chris
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