Date: Thu, 11 Sep 2014 18:28:36 +0200 From: Borja Marcos <borjam@sarenet.es> To: Karl Denninger <karl@denninger.net> Cc: freebsd-stable@freebsd.org Subject: Re: getting to 4K disk blocks in ZFS Message-ID: <68A42E6F-A089-4A3C-A394-C73162B86308@sarenet.es> In-Reply-To: <54114217.9040403@denninger.net> References: <540FF3C4.6010305@ish.com.au> <54100258.2000505@freebsd.org> <5410F0B4.9040808@ish.com.au> <A0A549F7A4094F519A3660697AB4983F@multiplay.co.uk> <54114029.3060507@FreeBSD.org> <54114217.9040403@denninger.net>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Sep 11, 2014, at 8:32 AM, Karl Denninger wrote: It works great until you start replacing older disks with new, larger ones and find out that the new ones are 4k where the old ones were not..... Yes, I agree. The problem is, it can become a time bomb especially for small, modest installations. You build a small server (and maybe you don't have the resources for a full migration readily available) and, one day, two years in the future, one of the disks breaks. You buy a new one, replace, and your performance gets worse. Or, anyway, the timebombs are already in place. As far as I know most new disks sold nowadays are "advanced format". Borja. -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iEUEARECAAYFAlQRzbsACgkQULpVo4XWgJ+8RwCfeYowXbeKzs1W2j1ClOux+6wo W5gAl2okA16O2Z9YK8Z/ufwKT1hYpqw= =an3n -----END PGP SIGNATURE-----
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