Date: Tue, 14 Jun 2016 12:59:48 -0500 From: Brandon J. Wandersee <brandon.wandersee@gmail.com> To: Manish Jain <bourne.identity@hotmail.com> Cc: User Questions <freebsd-questions@freebsd.org> Subject: Re: Anything special to do moving to SSD? Message-ID: <8637ofy7l7.fsf@WorkBox.Home> In-Reply-To: <VI1PR02MB097476EA28325B53239D0E05F6540@VI1PR02MB0974.eurprd02.prod.outlook.com> References: <VI1PR02MB097476EA28325B53239D0E05F6540@VI1PR02MB0974.eurprd02.prod.outlook.com>
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Manish Jain writes: > Hi, > > I use FreeBSD 10.2 amd64 as my primary OS. > > I just purchased a Samsung EVO 500 GB Solid State disk, and shall be > migrating to it in the next few days. Just wanted to know whether I > can use it out-of-the-box, pretty much like an IDE/SATA hard disk, or > is there anything special/nice to do for SSD ? > > I presume I shall have to reinstall the OS over again. In case it is > possible to migrate 'in-place' (data copy), please let me know about > that too. If you're using UFS, you can clone your existing installation by piping dump(8) straight into restore(8).[1] If you're using ZFS then you'd use `zfs send | zfs receive` instead, sending your filesystems straight to the new disk/pool instead of backing up and then restoring. Or you could just use some other reliable tool like rsync. Whatever the case, you should certainly already have a backup on-hand anyway, just in case. What is important no matter what is that when creating new UFS filesystems on an SSD, you need to use the `-t` flag to enable TRIM. TRIM is enabled by default on ZFS. [1]: http://www.wonkity.com/~wblock/docs/html/backup.html#_copying_filesystems -- :: Brandon J. Wandersee :: brandon.wandersee@gmail.com :: -------------------------------------------------- :: 'The best design is as little design as possible.' :: --- Dieter Rams ----------------------------------
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