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[2001:470:1f1c:a0::2]) by smtp.gmail.com with ESMTPSA id g13sm3960317wri.102.2021.12.15.16.41.28 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Dec 2021 16:41:28 -0800 (PST) Message-ID: <11dc149e-bd4e-bde2-efeb-338149a8c311@gmail.com> Date: Thu, 16 Dec 2021 00:41:27 +0000 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: L2ARC: inexplicable disappearance of cache device (was: CURRENT: ZFS freezes system beyond reboot) Content-Language: en-GB To: freebsd-current@freebsd.org References: <20211212102032.08af9689@jelly.fritz.box> <20211215185509.310fc873@hermann> From: Graham Perrin In-Reply-To: <20211215185509.310fc873@hermann> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4JDtbH0Snvz3Hm2 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=euZAsVFV; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of grahamperrin@gmail.com designates 2a00:1450:4864:20::429 as permitted sender) smtp.mailfrom=grahamperrin@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::429:from]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] X-ThisMailContainsUnwantedMimeParts: N On 15/12/2021 17:55, FreeBSD User wrote: > … SSD, partioned into two halfes, one for ZIL, the other for > L2ARC. When showing "zpool status", the RAIDZ's HDDs (Hitachi/Seagate > 4 TB NAS HDD) where "online", ZIL was "online" and > L2ARC device/vdev showd - nothing. … The 'nothing' aspect reminds me of: L2ARC: inexplicable disappearance, without removal, of cache device