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[184.58.230.200]) by smtp.gmail.com with ESMTPSA id ea7-20020a05620a488700b007290be5557bsm2528qkb.38.2023.02.02.08.21.06 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Feb 2023 08:21:06 -0800 (PST) Message-ID: <1484659b-216a-3491-e569-8e67fda3bfcc@gmail.com> Date: Thu, 2 Feb 2023 10:21:06 -0600 List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: Swap, ZFS & ARC Content-Language: en-US To: freebsd-hackers@freebsd.org References: <1689ba8c-a317-ce1f-2854-99566468a9ed@grosbein.net> From: Jason Bacon In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; RCVD_TLS_LAST(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::1135:from]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_NONE(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MLMMJ_DEST(0.00)[freebsd-hackers@freebsd.org] X-Rspamd-Queue-Id: 4P73tr2WFZz3kld X-Spamd-Bar: --- X-ThisMailContainsUnwantedMimeParts: N On 2/2/23 09:45, jbo@insane.engineer wrote: >> I prefer not doing this. That is, all my systems have swap partition outside of ZFS pool. > This isn't really achievable on your average "single disk" desktop systems, right? > Assuming I'm not missing something (which is why I came here to ask), a "regular" or "default" installation through the FreeBSD installer would setup a swap partition within the zpool, right? > Yes, it is. You can install to a UFS partition + swap, leaving most of the disk unused. After install, create the ZFS pool on the free space. I use this strategy for mission-critical servers, since I've run into occasional boot problems using root on ZFS. -- Life is a game. Play hard. Play fair. Have fun.