Date: Thu, 18 Oct 2001 13:43:34 -0700 (PDT) From: Dave Walton <dwalton@acm.org> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/31363: sysinstall "partition editor" silently corrects partition table Message-ID: <200110182043.f9IKhYb77939@freefall.freebsd.org>
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>Number: 31363 >Category: misc >Synopsis: sysinstall "partition editor" silently corrects partition table >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Thu Oct 18 13:50:01 PDT 2001 >Closed-Date: >Last-Modified: >Originator: Dave Walton >Release: 4.4-RELEASE >Organization: >Environment: >Description: I recently ran into this problem while installing 4.4-RELEASE into a pre-existing slice. It is discussed in -questions with the subject "Partition table problem". The exact details are impossible to know due to data loss, but it appears that I somehow had two slices overlapped by about 600MB (how this happened is beyond me). The "partition editor" appears to have detected this error and zeroed out the partition table entry it decided was in error, and sysinstall then wrote the change to the partition table. I did not actually make any changes in the "partition editor". I entered it only long enough to remember that I had already created the partition at an earlier date, then quickly exited and went on to the label editor. Obviously the actual data loss occurred when the installation overwrote the data in the overlapped slice, and was not the fault of FreeBSD. But data loss could have been avoided if the "partition editor" had popped up an alert about the invalid slice configuration and requested confirmation to correct it, rather than doing so silently. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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