Date: Thu, 04 Dec 2014 16:09:16 -0800 From: Xin Li <delphij@delphij.net> To: Bob Friesenhahn <bfriesen@simple.dallas.tx.us>, d@delphij.net Cc: freebsd-fs@freebsd.org Subject: Re: ASHIFT=13 by default. Message-ID: <5480F7AC.7080908@delphij.net> In-Reply-To: <alpine.GSO.2.01.1412041802330.7671@freddy.simplesystems.org> References: <CACpH0Mc%2Bs9xwjNyrAPCh3%2BzxSAgr396h7jJGWxah7Zhx4CFyRg@mail.gmail.com> <5480C336.8020901@multiplay.co.uk> <5480E48C.6040801@delphij.net> <alpine.GSO.2.01.1412041802330.7671@freddy.simplesystems.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 12/04/14 16:04, Bob Friesenhahn wrote: > On Thu, 4 Dec 2014, Xin Li wrote: >> >> BTW. Why bother to create zpools over zvols? Wouldn't it mean >> double checksumming? > > Clients of the zvol might corrupt the filesystem stored on it. > The double checksum would still help in that case. Sorry I'm not sure if I have followed -- Are you saying that you are exposing the zvol as e.g. iSCSI extent to a client (which, according to your creation doesn't seem like the case, since you are creating it from the same kernel...) or to a hypervisor like BHyVe? Cheers, - -- Xin LI <delphij@delphij.net> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.1.0 (FreeBSD) iQIcBAEBCgAGBQJUgPerAAoJEJW2GBstM+nsbzAP/jyKQ+HgEKRq7mDgEspHc9Gz BDfg9onYalbNgU09+ZrKFu0eV75Uzqh6FoBcQR6GPDoB+nIjIv1/Pud+NgGr765y a1BckOIaDBHkAlPa1zpikAFriXowSNjbEtEuSkHzVIOSu4flXphHCPVr4/snAPZe jfsqpoVegWYxFSD+dLW1u+10nOL5hFsaq6qf9cbcDXSjyGnxi+wiLzFlGTiUS/+v UnS6yAqhfL+L21b64vylpyAfISc19SpYogGiDFBooebT2CBdSowAirBY4sEHGjb4 260vOJW7pIodD/KULATo9cXbgP6AI5wd9wQkaWi9wI3W7DaqHYXnS4naSDm+s3a1 T3npD64bnqNyhJMMEI0BzAxrFBTK2o/EEp4crQqxVojGTPRiWhmk0+YlJyap3i0x 93LG8g33MXiKeVJ+7Sbs+akwLxq3ZSBj/v5zBuXY8C3zkanLSIYEItsRTxSuEGjl Ti/7WTF9V+BJx9If53q1QrXQmGHJ3NjNHEXJSwVPH1U8RAUXBbBNW5GnZW4VJ07u z9ZaUYPpBaklJj3/cnqXw1fitI5e7mdoLpTLwgvoCkLuMFqm1w/O3H0qVT1UzT2q UIRM+XCdeieeJqRkm79CWq+6tTo6zhnv8ypXIWicQLGJtzLC6T9suZPTM6EtICzt sJf5zcBSb3pUxZZhfSbG =MXdZ -----END PGP SIGNATURE-----
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