Date: Tue, 30 May 2023 19:25:13 +0300 From: Lena@lena.kiev.ua To: freebsd-questions@FreeBSD.org Subject: Re: read and write back full disk to trigger relocation Message-ID: <20230530162513.GK1030@lena.kiev> In-Reply-To: <1957739901.520492.1685310340560@ichabod.co-bxl> References: <a111b6a7-0bf8-d3b9-9611-a7fbf36635b3@artem.ru> <1957739901.520492.1685310340560@ichabod.co-bxl>
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> From the dd(1) manpage: > > Do a refresh of a disk drive, in order to prevent presently recoverable > read errors from progressing into unrecoverable read errors: > > dd if=/dev/ada0 of=/dev/ada0 bs=1m > > That won't trigger relocation, but it will refresh the decaying data. Would that be useful for SSD?
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