Date: Wed, 29 Jan 2003 16:05:56 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Russell Cattelan <cattelan@thebarn.com> Cc: fs@FreeBSD.ORG Subject: Re: restricted blocks? Message-ID: <20030129160134.O31111-100000@gamplex.bde.org> In-Reply-To: <1043784569.20928.58.camel@naboo.americas.sgi.com>
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On 28 Jan 2003, Russell Cattelan wrote: > Does anybody have quick answer as to why block 1 isn't writable? > > naboo[6:24pm]#dd if=/dev/zero of=/dev/da1s1d bs=512 oseek=0 count=1 > 1+0 records in > 1+0 records out > 512 bytes transferred in 0.000575 secs (890518 bytes/sec) > naboo[6:24pm]#dd if=/dev/zero of=/dev/da1s1d bs=512 oseek=1 count=1 > dd: /dev/da1s1d: Operation not permitted > 1+0 records in > 0+0 records out > 0 bytes transferred in 0.000819 secs (0 bytes/sec) > naboo[6:24pm]#dd if=/dev/zero of=/dev/da1s1d bs=512 oseek=2 count=1 > 1+0 records in > 1+0 records out > 512 bytes transferred in 0.000507 secs (1009630 bytes/sec) > > XFS uses this location for one of it's meta data block. Most likely block 1 has a disk label on it. The errno for this has apparently regressed from EROFS to EPERM. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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