Date: Mon, 17 Apr 2017 13:26:17 +0000 From: Manish Jain <bourne.identity@hotmail.com> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>, Polytropon <freebsd@edvax.de> Subject: Is it possible to fix slice order with gpart/any other tool ? Message-ID: <VI1PR02MB1200105F68383363B35D0DE9F6060@VI1PR02MB1200.eurprd02.prod.outlook.com>
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Hi, I am running FreeBSD CURRENT amd64 . As part of attempts to use ZFS on my = MBR disk, I have made a serious error which has resulted in the slice orde= r in the MBR being changed. My attempt to use ZFS followed this strategy : 1) installed FreeBSD CURRENT on ada0s2 (BSD+UFS) with a spare slice ada0s3 = available 2) set up a ZFS root at ada0s3a 2) migrated the installation using rsync to the ZFS tank The migration was surprisingly painless and successful. In less than a day = of first-time efforts, my ZFS setup was up and fully running - with the KDE= plasma5 desktop (thanks area51) migrated as part of the venture. But following this fairly spectacular effort, I blundered. I have a Windows= installation on ada0s1. After the migration, I booted that installation to= check whether it was okay. During the check, I mindlessly used the Compute= r (Disk) Management console to delete ada0s2. Upon reboot I realized that t= his has now become a serious issue : Windows has altered the slice order in= the MBR. Instead of just dropping slice 2, MS has dropped 2 and changed 3 = to 2. So when I boot the system, I have to use F2 to trigger the FreeBSD in= stallation. This does not go well with me. Being obsessive (particularly about the smal= l things in life), I cannot bear the thought of being stuck with the wrong = slice arrangement in the MBR table. If necessary, I can delete the whole sy= stem and reinstall everything afresh. But I do wonder if gpart has the abil= ity to fix the slice order. If anyone can tell me possibilites and steps to fix to rearrange the MBR ta= ble (ada0s2 -> ada0s3), that shall be very nice. Thanks for any help. Manish Jain
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