Date: Sat, 14 Aug 1999 20:39:10 +1000 From: Greg Black <gjb-freebsd@gba.oz.au> To: Mike Meyer <mwm@phone.net> Cc: stable@FreeBSD.ORG Subject: Re: Random disk read problems Message-ID: <19990814103911.21042.qmail@alice.gba.oz.au> In-Reply-To: <Pine.BSF.4.10.9908132223010.94664-100000@guru.phone.net> of Fri, 13 Aug 1999 22:28:56 MST References: <Pine.BSF.4.10.9908132223010.94664-100000@guru.phone.net>
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Mike Meyer writes: > I've been shuffling some data around in preperation for archiving > it. Being a bit paranoid, I tend to md5 sum the stuff at both ends, > and then verify the checksums. > > I'm getting random differences. I.e. - the diff of the md5 sums will > turn up a file or two that are different. Running diff or cmp on them > by hand - and they're the same. Likewise, running md5 on them by hand > turns up correct sums. > > This worries me. I'm running an older version of 3.2-stable on a > SuperMicro motherboard with 256Meg of ram and a Seagate ST39173W SCSI > drive. Is this something that udpating the OS might fix, or am I > seeing evidence of hardware problems (but I'm not seeing anything in > syslog!), or possibly bugs in both diff and md5? It's a near certainty that you have bad memory. -- Greg Black -- <gjb@acm.org> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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