Date: Thu, 24 Aug 2017 18:37:29 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: Manish Jain <bourne.identity@hotmail.com> Cc: Matt Smith <matt.xtaz@gmail.com>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Anything specific to keep in mind restoring from rsync ? Message-ID: <alpine.BSF.2.21.1708241829550.82696@wonkity.com> In-Reply-To: <VI1PR02MB1200FC78BA6AFD1C93CA9323F69B0@VI1PR02MB1200.eurprd02.prod.outlook.com> References: <VI1PR02MB1200E48789933A9BCAAAECD4F6800@VI1PR02MB1200.eurprd02.prod.outlook.com> <20170818074902.GA91334@gmail.com> <VI1PR02MB1200A074E97E82E758827E91F6800@VI1PR02MB1200.eurprd02.prod.outlook.com> <alpine.BSF.2.21.1708241026360.23386@wonkity.com> <VI1PR02MB1200FC78BA6AFD1C93CA9323F69B0@VI1PR02MB1200.eurprd02.prod.outlook.com>
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On Fri, 25 Aug 2017, Manish Jain wrote: > On 08/24/17 21:58, Warren Block wrote: >> Don't use rsync for this. If you do, be sure to add the half-dozen >> options that preserve hard links and keep the /rescue directory from >> growing unexpectedly. The preferred methods are dump/restore for UFS >> (http://www.wonkity.com/~wblock/docs/html/backup.html) and >> zfs send | zfs recv for ZFS. > > Thanks Warren, but too late : - ) > > I did an rsync (-aAXv --exclude-from ./excludes) to backup, and then a > reverse rsync (-aH) to restore. It worked very well for me - both for > Linux and FreeBSD. > > But there have been a few responses at freebsd-questions that > dump/restore should be the preferred solution for this (when / has to be > backed up, mainly owing to hard links). Next time I need a backup, I > will use dump+restore. > > But I am inclined to ask one question here : does FreeBSD actually have > any system-installed hard links (other than . and ..) ? Yes: % du -hd1 /rescue 9.6M /rescue % rsync -a /rescue/ /tmp/rescue/ % du -hd1 /tmp/rescue 1.3G /tmp/rescue There might be others, but those are the ones that always get me.
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