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Mon, 7 Jun 2021 09:52:57 +0000 Received: by kubenode544.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID b5746f2bd77a943364cef2623f3286ee; Mon, 07 Jun 2021 09:52:55 +0000 (UTC) Subject: Re: My superblocks have gone missing, can't reassemble raid5 To: Linux RAID References: <20210517112844.388d2270@natsu> <20210517181905.6f976f1a@natsu> <2e37cf64-1696-a5ca-f7db-83a1d098133d@turmel.org> <09d03968-28e3-8c67-38c1-e3a8c577bd93@att.net> <87lf89nqly.fsf@esperi.org.uk> From: Leslie Rhorer Message-ID: Date: Mon, 7 Jun 2021 04:52:52 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <87lf89nqly.fsf@esperi.org.uk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Mailer: WebService/1.1.18368 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org On 5/20/2021 2:37 PM, Nix wrote: > On 19 May 2021, Phil Turmel spake thusly: > >> weekly scrubs > > *Weekly*? Scrubbing my arrays takes three or four days. If I ran them > weekly the machine would never have time to do anything else! Three or four days? How large are your arrays? I have quite a few arrays up to 48T (64T of spindles), and none of them take more than 12 hours to scrub. > If the storage machinery on this system is so badly off that it's > misreading bits more often than that I think I have bigger problems. That might be the case already.