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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel@gnu.org Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1638397066; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=p3V3Mo/DOzWsfTWe+skLsMhdF3s3L4RdX+j3VIIvyUo=; b=GWz3Yncy933nJ800wXkzPk88vCi9AGNG0qbmJOTA4TT4RvlW0y6COFlkU/KahiOaq2fn5/ Apu/h3hAYxnfd/wATRdca7LMvBJ7renPC0nqwY8N9s2YHP/M/UR3OgdL451+BSO8Az94A5 ZdOkSOuvhojTWA6KmXy4kCtQ13C+Aw7CtsNFZFkNbSWkJxUtoR9uRDtVUdx4G8w43qUJcK 8coJM0fnZ2Sn4Zut6iOPiLc51xtUpC9pkwdsp2QnK8QieXQLfCft8ROokd+ybNgDOrXstv zaFVGSbIpBgkK6jGEOHWU3RRgTDXOEbhfTJShsbIpFNpipvmaskbSV4NwRr5IQ== ARC-Seal: i=2; s=key1; d=yhetil.org; t=1638397066; a=rsa-sha256; cv=fail; b=ZFcWUdQOJBuiPggZr0MzHNJ1KZ6wc3ZwClI4z2B9hmRSS6No+56SIlEMTR/l3Er+VOan74 wPATSZS+As4NY1XBe+xMynis8D7WNpAYo2gC5tqXL+zcI4LAko8aFbYZXxyMqYSMO+fOOc QzkpSbr7wtSV8IfQ5PQ3f4Mri9k2TK5n6wk1cFMm2Hr21s9k4TZlGqxl4s1qt85tivxWp3 Q2FZQUvGYMmxWFtl7U389a89aaK3MRy9jlEPdeBHsHzxcSP5T62k1YI4Q7NmcjQvReoReX gvwb6f1WdBkJwYtG+T+OwasBA2cS14pEnXNSz5zw+YSe7h5T6WLGX8rCDvGUHw== ARC-Authentication-Results: i=2; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=elephly.net header.s=zoho header.b=iAevntBu; arc=reject ("signature check failed: fail, {[1] = sig:zohomail.com:reject}"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -0.92 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=elephly.net header.s=zoho header.b=iAevntBu; arc=reject ("signature check failed: fail, {[1] = sig:zohomail.com:reject}"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: DFEB8C245 X-Spam-Score: -0.92 X-Migadu-Scanner: scn0.migadu.com X-TUID: a/oxh7QkCVrn Hi, [space is running out on bayfront, so I wrote:] > Remember that I=E2=80=99ve got three 256G SSDs here that I could send to > wherever bayfront now sits. With LVM or a RAID configuration=20 > these could just be added to the storage pool =E2=80=94 if bayfront has > sufficient slots for three more disks. You wrote in response: > Good to know. In that case we=E2=80=99d need to come up with (1) an=20 > updated > Guix System config with LVM, and (2) a way to copy the existing=20 > store > over to the new storage, which sounds tricky if the existing=20 > disk is to > be kept. We could first install Guix System with the adjusted bayfront=20 config on a separate machine (e.g. on a build node at the MDC),=20 onto a volume with LVM (using as many of the SSDs as needed).=20 Copy signing keys etc from bayfront. Then we=E2=80=99d pretty much=20 export/import the bayfront store over the network. Once=20 everything has been copied, we turn off bayfront, swap the disks,=20 boot it up again. If everything works all right we add the=20 original disk (and any unused left-over disks) to the LVM volume=20 to extend the storage pool. The trickiest bit is to minimize the time between finishing the=20 sync and swapping the disks. > (Also I think we=E2=80=99re down to 1.5 person who could go on > site. :-/) Not great :-/ --=20 Ricardo