Date: Mon, 14 Mar 2005 00:56:30 +0100 From: =?iso-8859-1?Q?P=E1sztor?= =?iso-8859-1?Q?_Rich=E1rd?= <ricsip@mailbox.hu> To: freebsd-questions@freebsd.org Subject: Filesystem creation with integrated bad-block detection Message-ID: <6.1.2.0.2.20050314004626.0270e450@mailbox.hu>
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I wonder if it would be possible to implement under freeebsd an interesting feature which can be found in linux: mkfs.ext2(8) ....... -c Check the device for bad blocks before creating the file system. If this option is specified twice, then a slower, destructive, read-write test is used instead of a fast read-only test. ... I searched the archive for this subject, and i found that simple answer that modern hard drives have the so called spare sectors, and if they cant do these reallocations transparently because they ran out of those reserved sectors -> throw the drive into the trash. But what abou using freebsd on older machines with hard drives that dont support spare sectors? Having a few bad sectors doesnt mean that a 4-5 Gb driver is useless because one isnt able to mark those few sectors. ricsip
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