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Date:      Thu, 29 Dec 2016 21:52:59 +0000
From:      Gary Palmer <gpalmer@freebsd.org>
To:        "Julian H. Stacey" <jhs@berklix.com>
Cc:        Kirk McKusick <mckusick@mckusick.com>, freebsd-fs@freebsd.org
Subject:   Re: when ufs is 99% full, current seems to limit creat to 28672 bytes
Message-ID:  <20161229215258.GA2169@in-addr.com>
In-Reply-To: <201612292039.uBTKdGR4033963@fire.js.berklix.net>
References:  <201612262313.uBQNDNrX030075@chez.mckusick.com> <201612292039.uBTKdGR4033963@fire.js.berklix.net>

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On Thu, Dec 29, 2016 at 09:39:16PM +0100, Julian H. Stacey wrote:
> It was really a temporary cludge of mine to tickle for bad blocks,
> working from inside the file system. I'd better do it properly,
> unmount & experiment with eg camcontrol on the partition or whole
> disk, or search ports/ &/or write  a little C prog that reads blocks
> from a file (aka dev name of partition or whole disk, stores, to
> memory, & writes back blocks)

You may want to try recoverdisk(1).  I'm not sure, I've never used
it to read and write to the same device

Regards,

Gary




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