Date: Sat, 03 Nov 2012 17:04:01 -0600 From: Brett Glass <brett@lariat.net> To: Karl Denninger <karl@denninger.net>, Jeff Roberson <jroberson@jroberson.net> Cc: stable@freebsd.org Subject: Re: Why is SU+J undesirable on SSDs? Message-ID: <201211032305.RAA05316@lariat.net> In-Reply-To: <50959B63.9070709@denninger.net> References: <201211032130.PAA04484@lariat.net> <alpine.BSF.2.00.1211031224570.1947@desktop> <50959B63.9070709@denninger.net>
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At 04:32 PM 11/3/2012, Karl Denninger wrote: >It is utter insanity to enable, by default, filesystem options >that break the canonical backup solution in the handbook ("dump", >when used with "-L", which it must be to dump a live filesystem SAFELY.) I have not used "dump" in many, many years. So, I hope the installer will not make it difficult for me to turn on SU+J despite the problem you mention above. That being said, "dump" should obviously be fixed to work with SU+J. Perhaps there could be a workaround (e.g. synchronizing the file system and temporarily turning off journaling during a backup) that would eliminate the need to turn SU+J off all the time while a more graceful fix is being readied. --Brett
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